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Posted to commits@predictionio.apache.org by do...@apache.org on 2016/10/03 17:22:54 UTC

[01/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Repository: incubator-predictionio-site
Updated Branches:
  refs/heads/asf-site c5d52816f -> f6e7c2b48


http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/templates/vanilla/quickstart/index.html
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-<!DOCTYPE html><html><head><title>Quick Start - Vanilla Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Vanilla Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/vanilla/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script 
 src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 c
 ol-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Vanilla Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div c
 lass="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#
 "><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command
 -line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span
 ></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><
 span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choos
 ing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a>
 </li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</
 span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Vanilla Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predict
 ionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4a-collecting-data">4a. Collecting Data</a> </li> <li> <a href="#4b-import-sample-data">4b. Import Sample Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/vanilla/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Vanilla Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overv
 iew</h2><p>The purpose of the Vanilla template is for developing new engine when you find other engine templates do not fit your needs. This template provides a skeleton to kick start new engine development.</p><p>By default, it simply reads the &quot;EVENT&quot; involving &quot;ENTITY_TYPE&quot; and &quot;TARGET_ENTITY_TYPE&quot;. The Algorithm counts the number of events and multiple it by the algorithm parameter and store it as Model. During serving, the Query is prefixed with the Model and return as PredictedsResult.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>No special event requirement</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>a string</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a string</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h
 2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Vanilla Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Vanilla Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/vanilla/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script 
 src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 c
 ol-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Vanilla Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div c
 lass="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#
 "><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command
 -line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span
 ></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><
 span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choos
 ing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a>
 </li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</
 span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Vanilla Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predict
 ionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4a-collecting-data">4a. Collecting Data</a> </li> <li> <a href="#4b-import-sample-data">4b. Import Sample Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/vanilla/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Vanilla Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overv
 iew</h2><p>The purpose of the Vanilla template is for developing new engine when you find other engine templates do not fit your needs. This template provides a skeleton to kick start new engine development.</p><p>By default, it simply reads the &quot;EVENT&quot; involving &quot;ENTITY_TYPE&quot; and &quot;TARGET_ENTITY_TYPE&quot;. The Algorithm counts the number of events and multiple it by the algorithm parameter and store it as Model. During serving, the Query is prefixed with the Model and return as PredictedsResult.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>No special event requirement</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>a string</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a string</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h
 2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -54,17 +54,17 @@ Your system is all ready to go.
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. The engine accepts JSON query with the field &#39;q&#39;: <code>{ &quot;q&quot; : &quot;foo&quot; }</code>. A prefix is added to the query data and return as PredictedResult.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-43936164-c11f-4abe-9806-7a66b66d6576">REST API</a></li> <li data-lang="python"><a href="#tab-24bec69e-b135-47
 24-bbda-241a24e3dee8">Python SDK</a></li> <li data-lang="php"><a href="#tab-2cba64b5-9774-4ea5-81e1-f9c47499b82f">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-1194d41a-b9e0-40c4-b4ae-9ba0362d9d98">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f2d01ac5-f973-4e2d-a351-8b12eba8bb37">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-43936164-c11f-4abe-9806-7a66b66d6576"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. The engine accepts JSON query with the field &#39;q&#39;: <code>{ &quot;q&quot; : &quot;foo&quot; }</code>. A prefix is added to the query data and return as PredictedResult.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-040524c2-37b2-428f-be1c-18047475de66">REST API</a></li> <li data-lang="python"><a href="#tab-27436c5e-e3c3-4e
 c5-aa7c-e0461b0e65f4">Python SDK</a></li> <li data-lang="php"><a href="#tab-968f8e89-31a5-42ec-8c86-4b8a9e5f9788">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-62f145be-ae6d-457a-8737-98f035f64edb">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-debcf18a-2a83-43ce-8567-f749a58a17d1">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-040524c2-37b2-428f-be1c-18047475de66"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "q": "foo" }'</span> http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-24bec69e-b135-4724-bbda-241a24e3dee8"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-27436c5e-e3c3-4ec5-aa7c-e0461b0e65f4"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span> <span class="s">"q"</span><span class="p">:</span> <span class="s">"foo"</span> <span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-2cba64b5-9774-4ea5-81e1-f9c47499b82f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-968f8e89-31a5-42ec-8c86-4b8a9e5f9788"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -83,7 +83,7 @@ Your system is all ready to go.
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-1194d41a-b9e0-40c4-b4ae-9ba0362d9d98"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-62f145be-ae6d-457a-8737-98f035f64edb"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -96,7 +96,7 @@ Your system is all ready to go.
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'q'</span> <span class="o">=&gt;</span> <span class="s1">'foo'</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f2d01ac5-f973-4e2d-a351-8b12eba8bb37"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-debcf18a-2a83-43ce-8567-f749a58a17d1"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4

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[14/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

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@@ -10,31 +10,31 @@
 3
 4
 5</pre></td><td class="code"><pre>...
-PredictionIO-0.9.6/sbt/sbt
-PredictionIO-0.9.6/conf/
-PredictionIO-0.9.6/conf/pio-env.sh
-PredictionIO binary distribution created at PredictionIO-0.9.6.tar.gz
-</pre></td></tr></tbody></table> </div> <p>Extract the binary distribution you have just built.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>tar zxvf PredictionIO-0.9.6.tar.gz
-</pre></td></tr></tbody></table> </div> <h2 id='installing-dependencies' class='header-anchors'>Installing Dependencies</h2><p>Let us install dependencies inside a subdirectory of the Apache PredictionIO (incubating) installation. By following this convention, you can use Apache PredictionIO (incubating)&#39;s default configuration as is.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>mkdir PredictionIO-0.9.6/vendors
+PredictionIO-0.9.5/sbt/sbt
+PredictionIO-0.9.5/conf/
+PredictionIO-0.9.5/conf/pio-env.sh
+PredictionIO binary distribution created at PredictionIO-0.9.5.tar.gz
+</pre></td></tr></tbody></table> </div> <p>Extract the binary distribution you have just built.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>tar zxvf PredictionIO-0.9.5.tar.gz
+</pre></td></tr></tbody></table> </div> <h2 id='installing-dependencies' class='header-anchors'>Installing Dependencies</h2><p>Let us install dependencies inside a subdirectory of the Apache PredictionIO (incubating) installation. By following this convention, you can use Apache PredictionIO (incubating)&#39;s default configuration as is.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>mkdir PredictionIO-0.9.5/vendors
 </pre></td></tr></tbody></table> </div> <h3 id='spark-setup' class='header-anchors'>Spark Setup</h3><p><a href="http://spark.apache.org">Apache Spark</a> is the default processing engine for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget http://d3kbcqa49mib13.cloudfront.net/spark-1.5.1-bin-hadoop2.6.tgz
-<span class="gp">$ </span>tar zxvfC spark-1.5.1-bin-hadoop2.6.tgz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Apache Spark to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>SPARK_HOME</code> variable to point to your own Apache Spark installation.</p></div><h3 id='storage-setup' class='header-anchors'>Storage Setup</h3><h4 id='postgresql-setup' class='header-anchors'>PostgreSQL Setup</h4><p>Setting up <a href="http://www.postgresql.org/">PostgreSQL</a> to work with PredictionIO.</p><p>Make sure you have PostgreSQL installed. For Mac Users, <a href="brew.sh">Homebrew</a> is recommended and can be used as</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>brew install postgresql
+<span class="gp">$ </span>tar zxvfC spark-1.5.1-bin-hadoop2.6.tgz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Apache Spark to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>SPARK_HOME</code> variable to point to your own Apache Spark installation.</p></div><h3 id='storage-setup' class='header-anchors'>Storage Setup</h3><h4 id='postgresql-setup' class='header-anchors'>PostgreSQL Setup</h4><p>Setting up <a href="http://www.postgresql.org/">PostgreSQL</a> to work with PredictionIO.</p><p>Make sure you have PostgreSQL installed. For Mac Users, <a href="brew.sh">Homebrew</a> is recommended and can be used as</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>brew install postgresql
 </pre></td></tr></tbody></table> </div> <p>or on Ubuntu: <code> apt-get install postgresql-9.4 </code></p><p>Now that PostgreSQL is installed use the following comands</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>createdb pio
 </pre></td></tr></tbody></table> </div> <p>If you get an error of the form <code>could not connect to server: No such file or directory</code>, then you must first start the server manually,:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start
 </pre></td></tr></tbody></table> </div> <p>Finally use the command:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>psql -c <span class="s2">"create user pio with password 'pio'"</span>
 </pre></td></tr></tbody></table> </div> <p>Your configuration in <code>pio-env.sh</code> is now compatible to run with PostgreSQL.</p><h4 id='hbase-and-elasticsearch-setup' class='header-anchors'>HBase and Elasticsearch Setup</h4><h5 id='elasticsearch-setup' class='header-anchors'>Elasticsearch Setup</h5><div class="alert-message warning"><p>You may skip this section if you are using PostgreSQL or MySQL.</p></div><p><a href="http://www.elasticsearch.org/">Elasticsearch</a> is the default metadata store for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.4.4.tar.gz
-<span class="gp">$ </span>tar zxvfC elasticsearch-1.4.4.tar.gz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Elasticsearch to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME</code> variable to point to your own Elasticsearch installation.</p></div><div class="alert-message info"><p>If you are using a shared network, change the <code>network.host</code> line in <code>PredictionIO-0.9.6/vendors/elasticsearch-1.4.4/config/elasticsearch.yml</code> to <code>network.host: 127.0.0.1</code> because by default, Elasticsearch looks for other machines on the network upon setup and you may run into weird errors if there are other machines that is also running Elasticsearch.</p></div><p>If you are not using the default setting at <code>localhost</code>, you may change the following in <code>PredictionIO-0.9.6/conf/pio-env.sh</code> to fit your setup.</p><div class="highlight shell"><table style="border-spacing: 0"
 ><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<span class="gp">$ </span>tar zxvfC elasticsearch-1.4.4.tar.gz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Elasticsearch to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME</code> variable to point to your own Elasticsearch installation.</p></div><div class="alert-message info"><p>If you are using a shared network, change the <code>network.host</code> line in <code>PredictionIO-0.9.5/vendors/elasticsearch-1.4.4/config/elasticsearch.yml</code> to <code>network.host: 127.0.0.1</code> because by default, Elasticsearch looks for other machines on the network upon setup and you may run into weird errors if there are other machines that is also running Elasticsearch.</p></div><p>If you are not using the default setting at <code>localhost</code>, you may change the following in <code>PredictionIO-0.9.5/conf/pio-env.sh</code> to fit your setup.</p><div class="highlight shell"><table style="border-spacing: 0"
 ><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td><td class="code"><pre><span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE</span><span class="o">=</span>elasticsearch
 <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS</span><span class="o">=</span>localhost
 <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS</span><span class="o">=</span>9300
 </pre></td></tr></tbody></table> </div> <h5 id='<a-name="hbase"></a>hbase-setup' class='header-anchors' ><a name="hbase"></a>HBase Setup</h5><div class="alert-message warning"><p>You may skip this section if you are using PostgreSQL or MySQL.</p></div><p><a href="http://hbase.apache.org">HBase</a> is the default event data store for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget http://archive.apache.org/dist/hbase/hbase-1.0.0/hbase-1.0.0-bin.tar.gz
-<span class="gp">$ </span>tar zxvfC hbase-1.0.0-bin.tar.gz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install HBase to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_HBASE_HOME</code> variable to point to your own HBase installation.</p></div><p>You will need to at least add a minimal configuration to HBase to start it in standalone mode. Details can be found <a href="http://hbase.apache.org/book/quickstart.html">here</a>. Here, we are showing a sample minimal configuration.</p><div class="alert-message info"><p>For production deployment, run a fully distributed HBase configuration.</p></div><p>Edit <code>PredictionIO-0.9.6/vendors/hbase-1.0.0/conf/hbase-site.xml</code>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<span class="gp">$ </span>tar zxvfC hbase-1.0.0-bin.tar.gz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install HBase to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_HBASE_HOME</code> variable to point to your own HBase installation.</p></div><p>You will need to at least add a minimal configuration to HBase to start it in standalone mode. Details can be found <a href="http://hbase.apache.org/book/quickstart.html">here</a>. Here, we are showing a sample minimal configuration.</p><div class="alert-message info"><p>For production deployment, run a fully distributed HBase configuration.</p></div><p>Edit <code>PredictionIO-0.9.5/vendors/hbase-1.0.0/conf/hbase-site.xml</code>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -46,26 +46,26 @@ PredictionIO binary distribution created at PredictionIO-0.9.6.tar.gz
 10</pre></td><td class="code"><pre>&lt;configuration&gt;
   &lt;property&gt;
     &lt;name&gt;hbase.rootdir&lt;/name&gt;
-    &lt;value&gt;file:///home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/data&lt;/value&gt;
+    &lt;value&gt;file:///home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/data&lt;/value&gt;
   &lt;/property&gt;
   &lt;property&gt;
     &lt;name&gt;hbase.zookeeper.property.dataDir&lt;/name&gt;
-    &lt;value&gt;/home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/zookeeper&lt;/value&gt;
+    &lt;value&gt;/home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/zookeeper&lt;/value&gt;
   &lt;/property&gt;
 &lt;/configuration&gt;
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>HBase will create <code>hbase.rootdir</code> automatically to store its data.</p></div><p>Edit <code>PredictionIO-0.9.6/vendors/hbase-1.0.0/conf/hbase-env.sh</code> to set <code>JAVA_HOME</code> for the cluster. For example:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle/jre
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>HBase will create <code>hbase.rootdir</code> automatically to store its data.</p></div><p>Edit <code>PredictionIO-0.9.5/vendors/hbase-1.0.0/conf/hbase-env.sh</code> to set <code>JAVA_HOME</code> for the cluster. For example:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle/jre
 </pre></td></tr></tbody></table> </div> <p>For Mac users, use this instead (change <code>1.8</code> to <code>1.7</code> if you have Java 7 installed):</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span><span class="sb">`</span>/usr/libexec/java_home -v 1.8<span class="sb">`</span>
 </pre></td></tr></tbody></table> </div> <p>In addition, you must set your environment variable <code>JAVA_HOME</code>. For example, in <code>/home/abc/.bashrc</code> add the following line:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle
-</pre></td></tr></tbody></table> </div> <h3 id='start-predictionio-and-dependent-services' class='header-anchors'>Start PredictionIO and Dependent Services</h3><div class="alert-message warning"><p>If you are using PostgreSQL or MySQL, skip <code>pio-start-all</code> and <code>pio-stop-all</code>, and do <code>PredictionIO-0.9.6/bin/pio eventserver &amp;</code> instead.</p></div><p>Simply do <code>PredictionIO-0.9.6/bin/pio-start-all</code> and you should see something similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <h3 id='start-predictionio-and-dependent-services' class='header-anchors'>Start PredictionIO and Dependent Services</h3><div class="alert-message warning"><p>If you are using PostgreSQL or MySQL, skip <code>pio-start-all</code> and <code>pio-stop-all</code>, and do <code>PredictionIO-0.9.5/bin/pio eventserver &amp;</code> instead.</p></div><p>Simply do <code>PredictionIO-0.9.5/bin/pio-start-all</code> and you should see something similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
 5
 6
-7</pre></td><td class="code"><pre><span class="gp">$ </span>PredictionIO-0.9.6/bin/pio-start-all
+7</pre></td><td class="code"><pre><span class="gp">$ </span>PredictionIO-0.9.5/bin/pio-start-all
 Starting Elasticsearch...
 Starting HBase...
-starting master, logging to /home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/bin/../logs/hbase-abc-master-yourhost.local.out
+starting master, logging to /home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/bin/../logs/hbase-abc-master-yourhost.local.out
 Waiting 10 seconds <span class="k">for </span>HBase to fully initialize...
 Starting PredictionIO Event Server...
 <span class="err">$</span>
@@ -80,7 +80,7 @@ Starting PredictionIO Event Server...
 15256 org.elasticsearch.bootstrap.Elasticsearch
 15469 sun.tools.jps.Jps
 <span class="err">$</span>
-</pre></td></tr></tbody></table> </div> <p>A running setup will have these up and running:</p> <ul> <li>org.apache.predictionio.tools.console.Console</li> <li>org.apache.hadoop.hbase.master.HMaster</li> <li>org.elasticsearch.bootstrap.Elasticsearch</li> </ul> <p>At any time, you can run <code>PredictionIO-0.9.6/bin/pio status</code> to check the status of the dependencies.</p><p>Now you have installed everything you need!</p><p>You can proceed to <a href="/start/download">Choosing an Engine Template</a>, or continue the QuickStart guide of the Engine template if you have already chosen one.</p> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-pre
 dictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//predictionio.incubator.apache.org/community/contribute-code/" target="blank">Contribute</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">Source Code</a></li><li><a href="//issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a href="mailto:dev-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to Development Mailing List</a></li></ul></div></div></div></div><div id="footer-bottom"><div class="container"><div class="row"><div class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" src="/images/logo
 s/logo-white-d1e9c6e6.png"/></div><div id="social-icons-wrapper"><a class="github-button" href="https://github.com/apache/incubator-predictionio" data-style="mega" data-count-href="/apache/incubator-predictionio/stargazers" data-count-api="/repos/apache/incubator-predictionio#stargazers_count" data-count-aria-label="# stargazers on GitHub" aria-label="Star apache/incubator-predictionio on GitHub">Star</a> <a class="github-button" href="https://github.com/apache/incubator-predictionio/fork" data-icon="octicon-git-branch" data-style="mega" data-count-href="/apache/incubator-predictionio/network" data-count-api="/repos/apache/incubator-predictionio#forks_count" data-count-aria-label="# forks on GitHub" aria-label="Fork apache/incubator-predictionio on GitHub">Fork</a> <script id="github-bjs" async="" defer="" src="https://buttons.github.io/buttons.js"></script><a href="//www.facebook.com/predictionio" target="blank"><img alt="PredictionIO on Twitter" src="/images/icons/twitter-ea9dc152
 .png"/></a> <a href="//twitter.com/predictionio" target="blank"><img alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> </div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
+</pre></td></tr></tbody></table> </div> <p>A running setup will have these up and running:</p> <ul> <li>org.apache.predictionio.tools.console.Console</li> <li>org.apache.hadoop.hbase.master.HMaster</li> <li>org.elasticsearch.bootstrap.Elasticsearch</li> </ul> <p>At any time, you can run <code>PredictionIO-0.9.5/bin/pio status</code> to check the status of the dependencies.</p><p>Now you have installed everything you need!</p><p>You can proceed to <a href="/start/download">Choosing an Engine Template</a>, or continue the QuickStart guide of the Engine template if you have already chosen one.</p> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-pre
 dictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//predictionio.incubator.apache.org/community/contribute-code/" target="blank">Contribute</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">Source Code</a></li><li><a href="//issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a href="mailto:dev-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to Development Mailing List</a></li></ul></div></div></div></div><div id="footer-bottom"><div class="container"><div class="row"><div class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" src="/images/logo
 s/logo-white-d1e9c6e6.png"/></div><div id="social-icons-wrapper"><a class="github-button" href="https://github.com/apache/incubator-predictionio" data-style="mega" data-count-href="/apache/incubator-predictionio/stargazers" data-count-api="/repos/apache/incubator-predictionio#stargazers_count" data-count-aria-label="# stargazers on GitHub" aria-label="Star apache/incubator-predictionio on GitHub">Star</a> <a class="github-button" href="https://github.com/apache/incubator-predictionio/fork" data-icon="octicon-git-branch" data-style="mega" data-count-href="/apache/incubator-predictionio/network" data-count-api="/repos/apache/incubator-predictionio#forks_count" data-count-aria-label="# forks on GitHub" aria-label="Fork apache/incubator-predictionio on GitHub">Fork</a> <script id="github-bjs" async="" defer="" src="https://buttons.github.io/buttons.js"></script><a href="//www.facebook.com/predictionio" target="blank"><img alt="PredictionIO on Twitter" src="/images/icons/twitter-ea9dc152
 .png"/></a> <a href="//twitter.com/predictionio" target="blank"><img alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> </div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
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 e=d.getElementsByTagName(t)[0];s.async=1;s.src=u;e.parentNode.insertBefore(s,e);
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-<span class="gp">==&gt; </span>default: Installation of PredictionIO 0.9.6 <span class="nb">complete</span>!
+<span class="gp">==&gt; </span>default: Installation of PredictionIO 0.9.5 <span class="nb">complete</span>!
 <span class="gp">==&gt; </span>default: IMPORTANT: You still have to start PredictionIO and dependencies manually:
 <span class="gp">==&gt; </span>default: Run: <span class="s1">'pio-start-all'</span>
 <span class="gp">==&gt; </span>default: Check the status with: <span class="s1">'pio status'</span>

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 <!DOCTYPE html><html><head><title>Developing Engines with IntelliJ IDEA</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Developing Engines with IntelliJ IDEA"/><link rel="canonical" href="https://docs.prediction.io/resources/intellij/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn
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 rface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><
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 ing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evalua
 tion Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li c
 lass="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><
 ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final active" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Resources</a><span class="spacer">&gt;</span></li><li><span class="last">Developing Engines with IntelliJ IDEA</span></li></ul></div><div id="page-title"><h1>Developing Engines with IntelliJ IDEA</h1></div></div><div id="tabl
 e-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#prerequisites">Prerequisites</a> </li> <li> <a href="#preparing-intellij-for-engine-development">Preparing IntelliJ for Engine Development</a> </li> <li> <a href="#running-and-debugging-in-intellij-idea">Running and Debugging in IntelliJ IDEA</a> </li> <li> <a href="#loading-a-template-into-intellij-idea">Loading a Template Into Intellij IDEA</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/resources/intellij.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Resources</a><span class="spacer">&gt;</span></li><li><span class="last">Developing Engines with IntelliJ IDEA</span></li></ul></div><div id="page-title"><h1>Developing Engines with IntelliJ IDEA
 </h1></div></div><div class="content"><h2 id='prerequisites' class='header-anchors'>Prerequisites</h2><p>This documentation assumes that you have a fully functional PredictionIO setup. If you have not installed PredictionIO yet, please follow <a href="/install/">these instructions</a>.</p><h2 id='preparing-intellij-for-engine-development' class='header-anchors'>Preparing IntelliJ for Engine Development</h2><h3 id='installing-intellij-scala-plugin' class='header-anchors'>Installing IntelliJ Scala Plugin</h3><p>First of all, you will need to install the <a href="https://plugins.jetbrains.com/plugin/?id=1347">Scala plugin</a> if you have not already done so.</p><p>Go to the <em>Preferences</em> menu item, and look for <em>Plugins</em>. You should see the following screen.</p><p><img alt="IntelliJ Plugins" src="/images/intellij/intelliJ-scala-plugin-09ee074a.png"/></p><p>Click <em>Install JetBrains plugin...</em>, the search for <em>Scala</em>. You should arrive at something similar to 
 the following.</p><p><img alt="Scala Plugin" src="/images/intellij/intellij-scala-plugin-2-592c697f.png"/></p><p>Click the green <em>Install plugin</em> button to install the plugin. Restart IntelliJ IDEA if asked to do so.</p><h3 id='setting-up-the-engine-directory' class='header-anchors'>Setting Up the Engine Directory</h3><div class="alert-message info"><p>It is very important to run at least <code>pio build</code> once in your engine directory so that the project correctly recognizes the version of PredictionIO that you are using. If you upgraded your PredictionIO installation later, you will need to run <code>pio build</code> again in order for the engine to pick up the latest version of PredictionIO.</p></div><p>Create an engine directory from a template. This requires that you install a template that you wish to start from or modify. Follow template <a href="/start/download">install</a> and <a href="/start/deploy">deploy</a> instructions or go through the <a href="/templates/
 recommendation/quickstart/">Quick Start</a> if you are planning to modify a recommender. Make sure to build, train, and deploy the engine to make sure all is configured properly.</p><p>From IntelliJ IDEA, choose <em>File</em> &gt; <em>New</em> &gt; <em>Project from Existing Sources...</em>. When asked to select a directory to import, browse to the engine directory that you downloaded too and proceed. Make sure you pick <em>Import project from external model</em> &gt; <em>SBT</em>, then proceed to finish.</p><p>You should be able to build the project at this point. To run and debug PredictionIO server, continue on to the rest of the steps.</p><div class="alert-message info"><p>If you are running on OS X, you will need to do the following due to this <a href="http://bit.ly/12Abtvn">known issue</a>.</p></div><p>Edit <code>build.sbt</code> and add the following under <code>libraryDependencies</code></p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="g
 utter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="s2">"org.xerial.snappy"</span> % <span class="s2">"snappy-java"</span> % <span class="s2">"1.1.1.7"</span>
-</pre></td></tr></tbody></table> </div> <p><img alt="Updating build.sbt" src="/images/intellij/intellij-buildsbt-05cfd141.png"/></p><p>When you are done editing, IntelliJ should either refresh the project automatically or prompt you to refresh.</p><h3 id='dependencies' class='header-anchors'>Dependencies</h3><p>IntelliJ has the annoying tendency to drop some dependencies when you refresh your build.sbt after any changes. To avoid this we put any jars that must be available at runtime into a separate empty module in the project then we make the main engine project depend on this dummy module for runtime classes.</p><p>Right click on the project and click <em>Open Module Settings</em>. In the second modules column hit <strong>+</strong> and create a new Scala module. Name it pio-runtime-jars and add these assemblies under the module dependencies tab and remember to change the scope of the jars to <strong>runtime</strong>:</p> <ul> <li><p> <code>pio-assembly-0.9.6.jar</code></p><p>This
  JAR can be found inside the <code>assembly</code> or <code>lib</code> directory of your PredictionIO installation directory.</p></li> <li><p> <code>spark-assembly-1.5.2-hadoop2.4.0.jar</code></p><p>This JAR can be found inside the <code>assembly</code> or <code>lib</code> directory of your Apache Spark installation directory.</p></li> </ul> <p><img alt="Create empty module and add dependencies" src="/images/intellij/pio-runtime-jar-deps-3f3c99d9.png"/></p><p>Now make your engine module dependent on the pio-runtime-jars module for scope = runtime. </p><p><img alt="Create empty module and add dependencies" src="/images/intellij/pio-runtime-jars-266e8c1b.png"/></p><h2 id='running-and-debugging-in-intellij-idea' class='header-anchors'>Running and Debugging in IntelliJ IDEA</h2><h3 id='simulating-<code>pio-train</code>' class='header-anchors' >Simulating <code>pio train</code></h3><p>Create a new <em>Run/Debug Configuration</em> by going to <em>Run</em> &gt; <em>Edit Configurations...</
 em>. Click on the <strong>+</strong> button and select <em>Application</em>. Name it <code>pio train</code> and put in the following.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><img alt="Updating build.sbt" src="/images/intellij/intellij-buildsbt-05cfd141.png"/></p><p>When you are done editing, IntelliJ should either refresh the project automatically or prompt you to refresh.</p><h3 id='dependencies' class='header-anchors'>Dependencies</h3><p>IntelliJ has the annoying tendency to drop some dependencies when you refresh your build.sbt after any changes. To avoid this we put any jars that must be available at runtime into a separate empty module in the project then we make the main engine project depend on this dummy module for runtime classes.</p><p>Right click on the project and click <em>Open Module Settings</em>. In the second modules column hit <strong>+</strong> and create a new Scala module. Name it pio-runtime-jars and add these assemblies under the module dependencies tab and remember to change the scope of the jars to <strong>runtime</strong>:</p> <ul> <li><p> <code>pio-assembly-0.9.5.jar</code></p><p>This
  JAR can be found inside the <code>assembly</code> or <code>lib</code> directory of your PredictionIO installation directory.</p></li> <li><p> <code>spark-assembly-1.5.2-hadoop2.4.0.jar</code></p><p>This JAR can be found inside the <code>assembly</code> or <code>lib</code> directory of your Apache Spark installation directory.</p></li> </ul> <p><img alt="Create empty module and add dependencies" src="/images/intellij/pio-runtime-jar-deps-3f3c99d9.png"/></p><p>Now make your engine module dependent on the pio-runtime-jars module for scope = runtime. </p><p><img alt="Create empty module and add dependencies" src="/images/intellij/pio-runtime-jars-266e8c1b.png"/></p><h2 id='running-and-debugging-in-intellij-idea' class='header-anchors'>Running and Debugging in IntelliJ IDEA</h2><h3 id='simulating-<code>pio-train</code>' class='header-anchors' >Simulating <code>pio train</code></h3><p>Create a new <em>Run/Debug Configuration</em> by going to <em>Run</em> &gt; <em>Edit Configurations...</
 em>. Click on the <strong>+</strong> button and select <em>Application</em>. Name it <code>pio train</code> and put in the following.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td><td class="code"><pre>Main class: org.apache.predictionio.workflow.CreateWorkflow
 VM options: -Dspark.master<span class="o">=</span><span class="nb">local</span> -Dlog4j.configuration<span class="o">=</span>file:/<span class="k">**</span>replace_with_your_PredictionIO_path<span class="k">**</span>/conf/log4j.properties

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-<!DOCTYPE html><html><head><title>Tabs</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Tabs"/><link rel="canonical" href="https://docs.prediction.io/samples/tabs/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></s
 cript><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapp
 er"><p>PredictionIO Docs</p><h4>Tabs</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expand
 ible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>
 App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Eng
 ine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><l
 i class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in 
 Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Bu
 ilding Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><
 li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level
 -2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Tabs</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#test-syncing">Test Syncing</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/samples/tabs.html.md"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</
 a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Tabs</h1></div></div><div class="content"><p>This page is used to test the tabs plugin based on <a href="https://github.com/vdw/Tabslet">Tabslet</a>.</p><div class="tabs"> <ul class="control"> <li data-lang="ruby"><a href="#tab-29fc545c-f2ec-4ca2-b834-118e5ae850fc">Ruby</a></li> <li data-lang=""><a href="#tab-3daade9f-a9cd-4fb3-be88-114d2a34cf4f">Plain</a></li> <li data-lang="html"><a href="#tab-ef22b69e-bc62-4cfc-afc6-332540fd6a1a">HTML</a></li> <li data-lang=""><a href="#tab-45ba3552-cfad-499c-80bb-9ba5d5bfceb9">Test</a></li> </ul> <div data-tab="Ruby" data-lang="ruby" id="tab-29fc545c-f2ec-4ca2-b834-118e5ae850fc"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<!DOCTYPE html><html><head><title>Tabs</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Tabs"/><link rel="canonical" href="https://docs.prediction.io/samples/tabs/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></s
 cript><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapp
 er"><p>PredictionIO Docs</p><h4>Tabs</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expand
 ible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>
 App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Eng
 ine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><l
 i class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in 
 Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Bu
 ilding Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><
 li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level
 -2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Tabs</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#test-syncing">Test Syncing</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/samples/tabs.html.md"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</
 a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Tabs</h1></div></div><div class="content"><p>This page is used to test the tabs plugin based on <a href="https://github.com/vdw/Tabslet">Tabslet</a>.</p><div class="tabs"> <ul class="control"> <li data-lang="ruby"><a href="#tab-0bd8aebf-2c4a-4293-b706-4a67a187f8ae">Ruby</a></li> <li data-lang=""><a href="#tab-433cf7bf-70c4-45fe-8f57-6384a94f541a">Plain</a></li> <li data-lang="html"><a href="#tab-6f5b209d-5247-4c7b-84d6-19d70dc3f6a2">HTML</a></li> <li data-lang=""><a href="#tab-569316a6-66e2-4a2c-8112-92e55b97c29f">Test</a></li> </ul> <div data-tab="Ruby" data-lang="ruby" id="tab-0bd8aebf-2c4a-4293-b706-4a67a187f8ae"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -9,11 +9,11 @@
     <span class="s1">'bar'</span>
   <span class="k">end</span>
 <span class="k">end</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Plain" id="tab-3daade9f-a9cd-4fb3-be88-114d2a34cf4f"> This is a test of **markdown** inside a tab! <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Plain" id="tab-433cf7bf-70c4-45fe-8f57-6384a94f541a"> This is a test of **markdown** inside a tab! <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td> <td class="code"><pre>// This tab does not have the data-lang attribute <span class="nb">set</span>!
 <span class="gp">$ </span><span class="nb">cd </span>path/to/your/file
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-ef22b69e-bc62-4cfc-afc6-332540fd6a1a"> <div class="highlight html"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="nt">&lt;p&gt;</span>Yes you can still use HTML in code blocks!<span class="nt">&lt;/p&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Test" id="tab-45ba3552-cfad-499c-80bb-9ba5d5bfceb9"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-6f5b209d-5247-4c7b-84d6-19d70dc3f6a2"> <div class="highlight html"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="nt">&lt;p&gt;</span>Yes you can still use HTML in code blocks!<span class="nt">&lt;/p&gt;</span>
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Test" id="tab-569316a6-66e2-4a2c-8112-92e55b97c29f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -28,7 +28,7 @@ Test</span> <span class="na">5 =</span><span class="err">&gt;
 </span><span class="s">Test</span> <span class="na">6</span> <span class="err">&lt;=</span>
 <span class="na">Test</span> <span class="na">7</span> <span class="err">&lt;</span><span class="nt">&gt;</span>
 <span class="nt">&lt;p&gt;&lt;b&gt;</span>Test<span class="nt">&lt;/b&gt;&lt;/p&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <h2 id='test-syncing' class='header-anchors'>Test Syncing</h2><p>Here we show a similar set of tabs to test language syncing:</p><div class="tabs"> <ul class="control"> <li data-lang="ruby"><a href="#tab-64547947-2cf5-41e1-bedd-f69b73023a4f">Ruby</a></li> <li data-lang=""><a href="#tab-9c15cb33-51bb-4674-9e97-248a91ac0113">Plain</a></li> <li data-lang="html"><a href="#tab-84406803-b0ab-4f40-b7b6-4ca9e85a0e9a">HTML</a></li> <li data-lang="python"><a href="#tab-d0cf5c25-00c6-4b23-8bbf-0549c592ab3d">Python</a></li> </ul> <div data-tab="Ruby" data-lang="ruby" id="tab-64547947-2cf5-41e1-bedd-f69b73023a4f"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <h2 id='test-syncing' class='header-anchors'>Test Syncing</h2><p>Here we show a similar set of tabs to test language syncing:</p><div class="tabs"> <ul class="control"> <li data-lang="ruby"><a href="#tab-248613d8-8223-41df-9860-1081602b7098">Ruby</a></li> <li data-lang=""><a href="#tab-e10774f6-470b-412f-a054-c02c47270fe5">Plain</a></li> <li data-lang="html"><a href="#tab-8fb90ea3-cf6e-4875-ac78-21a57331d5bc">HTML</a></li> <li data-lang="python"><a href="#tab-c849a7cc-7756-4969-91ce-3051213d3079">Python</a></li> </ul> <div data-tab="Ruby" data-lang="ruby" id="tab-248613d8-8223-41df-9860-1081602b7098"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -39,12 +39,12 @@ Test</span> <span class="na">5 =</span><span class="err">&gt;
     <span class="s1">'bar'</span>
   <span class="k">end</span>
 <span class="k">end</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Plain" id="tab-9c15cb33-51bb-4674-9e97-248a91ac0113"> This is a test of **markdown** inside a tab! <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Plain" id="tab-e10774f6-470b-412f-a054-c02c47270fe5"> This is a test of **markdown** inside a tab! <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td> <td class="code"><pre>// This tab does not have the data-lang attribute <span class="nb">set</span>!
 <span class="gp">$ </span><span class="nb">cd </span>path/to/your/file
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-84406803-b0ab-4f40-b7b6-4ca9e85a0e9a"> <p>This HTML is <b>hard coded</b>.</p> </div> <div data-tab="Python" data-lang="python" id="tab-d0cf5c25-00c6-4b23-8bbf-0549c592ab3d"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="c"># The other group does not have a Python tab.</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <div class="tabs"> <ul class="control"> <li data-lang="java"><a href="#tab-b1576da6-8c7e-450e-bdf6-8fbd52cacb5d">Java</a></li> <li data-lang="html"><a href="#tab-efc69ee7-1fbc-412e-84fd-5f14776e6009">HTML</a></li> </ul> <div data-tab="Java" data-lang="java" id="tab-b1576da6-8c7e-450e-bdf6-8fbd52cacb5d"> <div class="highlight plaintext"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre>// Java code..
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-efc69ee7-1fbc-412e-84fd-5f14776e6009"> This includes **bold** with Markdown. </div> </div> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//prediction
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+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-8fb90ea3-cf6e-4875-ac78-21a57331d5bc"> <p>This HTML is <b>hard coded</b>.</p> </div> <div data-tab="Python" data-lang="python" id="tab-c849a7cc-7756-4969-91ce-3051213d3079"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="c"># The other group does not have a Python tab.</span>
+</pre></td> </tr></tbody></table> </div> </div> </div> <div class="tabs"> <ul class="control"> <li data-lang="java"><a href="#tab-60315930-be82-4790-b66d-15e640b9a648">Java</a></li> <li data-lang="html"><a href="#tab-5ee78e69-cfb4-48a5-bc0f-bc6e733ba03b">HTML</a></li> </ul> <div data-tab="Java" data-lang="java" id="tab-60315930-be82-4790-b66d-15e640b9a648"> <div class="highlight plaintext"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre>// Java code..
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="HTML" data-lang="html" id="tab-5ee78e69-cfb4-48a5-bc0f-bc6e733ba03b"> This includes **bold** with Markdown. </div> </div> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//prediction
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-<!DOCTYPE html><html><head><title>Java & Android SDK</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Java & Android SDK"/><link rel="canonical" href="https://docs.prediction.io/sdk/java/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=Te
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 ef="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/">
 <span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a cla
 ss="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="fi
 nal" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><spa
 n>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq
 /"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Integrating with Your App</a><span class="spacer">&gt;</span></li><li><a href="/sdk/">List of SDKs</a><span class="spacer">&gt;</span></li><li><span class="last">Java & Android SDK</span></li></ul></div><div id="page-title"><h1>Java & Android SDK</h1></div></div><div id="table-of-content-wra
 pper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#api-docs">API Docs</a> </li> <li> <a href="#central-repository">Central Repository</a> </li> <li> <a href="#github">GitHub</a> </li> <li> <a href="#license">License</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/sdk/java.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Integrating with Your App</a><span class="spacer">&gt;</span></li><li><a href="/sdk/">List of SDKs</a><span class="spacer">&gt;</span></li><li><span class="last">Java & Android SDK</span></li></ul></div><div id="page-title"><h1>Java & Android SDK</h1></div></div><div class="content"><h2 id='api-docs' class='header-anchors'>API Docs</h2><p><a href="http://docs.prediction.io/java/api/">View API docum
 entation</a> for version 0.9.5.</p><h2 id='central-repository' class='header-anchors'>Central Repository</h2><p><a href="http://search.maven.org/#search%7Cga%7C1%7Corg.apache.predictionio">Browse</a></p><h2 id='github' class='header-anchors'>GitHub</h2><iframe src="/github/?user=PredictionIO&repo=PredictionIO-Java-SDK&type=fork&count=true&size=large" allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30"></iframe> <iframe src="/github/?user=PredictionIO&repo=PredictionIO-Java-SDK&type=watch&count=true&size=large" allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30"></iframe> <p><a href="https://github.com/PredictionIO/PredictionIO-Java-SDK">View code</a> on GitHub.</p><h2 id='license' class='header-anchors'>License</h2><p><a href="https://github.com/PredictionIO/PredictionIO-Java-SDK/blob/develop/LICENSE">Apache License 2.0</a>.</p></div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><d
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-<!DOCTYPE html><html><head><title>Quick Start - Similar Product Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Similar Product Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/similarproduct/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.mi
 n.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"
 ><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Similar Product Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page"
  class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1
 "><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine
 -commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Coll
 ecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evalua
 tion/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics
  Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible
 " href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Similar Product Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <
 li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/similarproduct/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Similar Product Engine Template</h1></div></div><div class="content"><h2 id='o
 verview' class='header-anchors'>Overview</h2><p>This engine template recommends products that are &quot;similar&quot; to the input product(s). Similarity is not defined by user or item attributes but by users&#39; previous actions. By default, it uses &#39;view&#39; action such that product A and B are considered similar if most users who view A also view B. The template can be customized to support other action types such as buy, rate, like..etc.</p><p>This template is ideal for recommending products to customers based on their recent actions. Using the IDs of the recently viewed products of a customer as the <em>Query</em>, the engine will predict other products that this customer may also like.</p><p>This approach works perfectly for customers who are <strong>first-time visitors</strong> or have not signed in. Recommendations are made dynamically in <em>real-time</em> based on the most recent product preference you provide in the <em>Query</em>. You can, therefore, recommend prod
 ucts to visitors without knowing a long history about them.</p><p>You can also use this template to build the popular feature of Amazon: <strong>&quot;Customers Who Viewed This Item Also Viewed...&quot;</strong> quickly. Help your customers explore more products that they like, and sell more products.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server as Training Data:</p> <ul> <li>User <em>$set</em> events</li> <li>Item <em>$set</em> events with <em>categories</em> properties</li> <li>Users&#39; <em>view</em> item events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>. You can offer features like &quot;Customers Who Bought This Item Also Bought....&quot;.</p></div><h3 id='input-query' class='header-anchors'>Inp
 ut Query</h3> <ul> <li>List of ItemIDs, which are the targeted products</li> <li>N (number of items to be recommended)</li> <li>List of white-listed item categories (optional)</li> <li>List of white-listed ItemIds (optional)</li> <li>List of black-listed ItemIds (optional)</li> </ul> <p>The template also supports black-list and white-list. If a white-list is provided, the engine will include only those products in the recommendation. Likewise, if a black-list is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience,
  add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Similar Product Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Similar Product Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/similarproduct/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.mi
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 ><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Similar Product Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page"
  class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1
 "><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine
 -commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Coll
 ecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evalua
 tion/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics
  Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible
 " href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Similar Product Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <
 li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/similarproduct/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Similar Product Engine Template</h1></div></div><div class="content"><h2 id='o
 verview' class='header-anchors'>Overview</h2><p>This engine template recommends products that are &quot;similar&quot; to the input product(s). Similarity is not defined by user or item attributes but by users&#39; previous actions. By default, it uses &#39;view&#39; action such that product A and B are considered similar if most users who view A also view B. The template can be customized to support other action types such as buy, rate, like..etc.</p><p>This template is ideal for recommending products to customers based on their recent actions. Using the IDs of the recently viewed products of a customer as the <em>Query</em>, the engine will predict other products that this customer may also like.</p><p>This approach works perfectly for customers who are <strong>first-time visitors</strong> or have not signed in. Recommendations are made dynamically in <em>real-time</em> based on the most recent product preference you provide in the <em>Query</em>. You can, therefore, recommend prod
 ucts to visitors without knowing a long history about them.</p><p>You can also use this template to build the popular feature of Amazon: <strong>&quot;Customers Who Viewed This Item Also Viewed...&quot;</strong> quickly. Help your customers explore more products that they like, and sell more products.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server as Training Data:</p> <ul> <li>User <em>$set</em> events</li> <li>Item <em>$set</em> events with <em>categories</em> properties</li> <li>Users&#39; <em>view</em> item events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>. You can offer features like &quot;Customers Who Bought This Item Also Bought....&quot;.</p></div><h3 id='input-query' class='header-anchors'>Inp
 ut Query</h3> <ul> <li>List of ItemIDs, which are the targeted products</li> <li>N (number of items to be recommended)</li> <li>List of white-listed item categories (optional)</li> <li>List of white-listed ItemIds (optional)</li> <li>List of black-listed ItemIds (optional)</li> </ul> <p>The template also supports black-list and white-list. If a white-list is provided, the engine will include only those products in the recommendation. Likewise, if a black-list is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience,
  add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data for the app of this Engine. By default, the Similar Product Engine Template supports 2 types of entities: <strong>user</strong> and <strong>item</strong>, and event <strong>view</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view an item. Respectively, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, and user-view-item events.</p><div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more detail
 s how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-de08a042-2a8a-4583-bca0-fb2df4ae31c5">REST API</a></li> <li data-lang="python"><a href="#tab-7c88b244-609
 b-4ec0-82f6-aa7d9ed3f3ed">Python SDK</a></li> <li data-lang="php"><a href="#tab-6debdfce-94ce-488c-b497-bf670dcb2f48">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-2d408349-7de7-4774-900d-53c63d57a4b3">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-fc634b64-8dbe-494a-a984-0c4be8c96c43">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-de08a042-2a8a-4583-bca0-fb2df4ae31c5"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data for the app of this Engine. By default, the Similar Product Engine Template supports 2 types of entities: <strong>user</strong> and <strong>item</strong>, and event <strong>view</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view an item. Respectively, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, and user-view-item events.</p><div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more detail
 s how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-ae3ed1ad-0b0b-421e-b6e8-f0d265ada621">REST API</a></li> <li data-lang="python"><a href="#tab-e3e52a29-817
 b-421b-bd2c-6706407c59d6">Python SDK</a></li> <li data-lang="php"><a href="#tab-ea1cea2c-d9e6-4819-9b73-65089c003f7f">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-435672e2-0249-4dd2-ab31-acf1ace942ce">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-ebac50c0-7a5c-4188-bd00-d4e8eb34e45f">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-ae3ed1ad-0b0b-421e-b6e8-f0d265ada621"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -47,7 +47,7 @@ Your system is all ready to go.
   "entityId" : "u0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-7c88b244-609b-4ec0-82f6-aa7d9ed3f3ed"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-e3e52a29-817b-421b-bd2c-6706407c59d6"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -86,7 +86,7 @@ Your system is all ready to go.
   <span class="n">event_time</span><span class="o">=</span><span class="n">datetime</span><span class="p">(</span>
     <span class="mi">2014</span><span class="p">,</span> <span class="mi">11</span><span class="p">,</span> <span class="mo">02</span><span class="p">,</span> <span class="mi">09</span><span class="p">,</span> <span class="mi">39</span><span class="p">,</span> <span class="mi">45</span><span class="p">,</span> <span class="mi">618000</span><span class="p">,</span> <span class="n">pytz</span><span class="o">.</span><span class="n">timezone</span><span class="p">(</span><span class="s">'US/Pacific'</span><span class="p">)</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-6debdfce-94ce-488c-b497-bf670dcb2f48"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-ea1cea2c-d9e6-4819-9b73-65089c003f7f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -111,7 +111,7 @@ Your system is all ready to go.
   <span class="s1">'entityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">USER</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-2d408349-7de7-4774-900d-53c63d57a4b3"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-435672e2-0249-4dd2-ab31-acf1ace942ce"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -128,7 +128,7 @@ Your system is all ready to go.
   <span class="s1">'user'</span><span class="p">,</span>
   <span class="o">&lt;</span><span class="no">USER</span> <span class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-fc634b64-8dbe-494a-a984-0c4be8c96c43"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-ebac50c0-7a5c-4188-bd00-d4e8eb34e45f"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -153,7 +153,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span class="o">(</span><span class="s">"user"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">USER_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">userEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-c763cd17-6277-4603-ba96-fb477314f658">REST API</a></li> <li data-lang="python"><a href="#tab-ba753782-b1c5-4bb2-b3db-5d9e20d11c37">Python SDK</a></li> <li data-lang="php"><a href="#tab-a1be1575-76d6-4f8c-a928-e9f8d7d1ca83">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-7eefc5f4-5337-4d9a-ac97-2c5772ec2f16">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-97134bf5-379d-4f34-b0bd-c1d59e48be42">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-c763cd
 17-6277-4603-ba96-fb477314f658"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-7573da34-c660-4f43-874d-8954fc5c93cd">REST API</a></li> <li data-lang="python"><a href="#tab-37c40134-d986-4f1b-bab0-dd83186d2728">Python SDK</a></li> <li data-lang="php"><a href="#tab-62f481ce-eb3b-4e9a-bf4b-05e580d9eff0">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-addbce4c-fcb0-430f-89cb-2e7bc5972337">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-9e7bfa07-f4e9-4143-b61a-b3eddabd1315">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-7573da
 34-c660-4f43-874d-8954fc5c93cd"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -174,7 +174,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-ba753782-b1c5-4bb2-b3db-5d9e20d11c37"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-37c40134-d986-4f1b-bab0-dd83186d2728"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -193,7 +193,7 @@ Your system is all ready to go.
     <span class="s">"categories"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="p">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-a1be1575-76d6-4f8c-a928-e9f8d7d1ca83"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-62f481ce-eb3b-4e9a-bf4b-05e580d9eff0"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -214,7 +214,7 @@ Your system is all ready to go.
 <span class="p">));</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-7eefc5f4-5337-4d9a-ac97-2c5772ec2f16"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-addbce4c-fcb0-430f-89cb-2e7bc5972337"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -231,7 +231,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-97134bf5-379d-4f34-b0bd-c1d59e48be42"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-9e7bfa07-f4e9-4143-b61a-b3eddabd1315"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -244,7 +244,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;)</span>
   <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"categories"</span><span class="o">,</span> <span class="n">ImmutableList</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="o">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="o">));</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">itemEvent</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-28513053-9393-431b-b2b8-1ce66ae9f6a0">REST API</a></li> <li data-lang="python"><a href="#tab-83144550-db77-4375-a515-62d7feaee763">Python SDK</a></li> <li data-lang="php"><a href="#tab-6e903d01-f421-4d1e-9f9b-dc282f0b205d">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-f1b90b6d-873d-4c63-9ff5-6a0f7fce9347">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-27a5086b-b2eb-4c67-ba82-28edc863c889">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-28513053-9393-431b-b2b8-1ce66ae9f6a0"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text
 -align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-6d52a753-c48c-482f-a8f6-a680c25a800f">REST API</a></li> <li data-lang="python"><a href="#tab-0bb05f03-550f-49b7-91cf-2e11262b936f">Python SDK</a></li> <li data-lang="php"><a href="#tab-79c0b23f-fc32-42f1-8401-65a81d179e37">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-5c3b0cb5-58bb-49a8-ba8c-ce1058eb3ca5">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-b65d3a1e-d2f4-4d34-af7f-48f215828827">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-6d52a753-c48c-482f-a8f6-a680c25a800f"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text
 -align: right"><pre class="lineno">1
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@@ -263,7 +263,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-83144550-db77-4375-a515-62d7feaee763"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-0bb05f03-550f-49b7-91cf-2e11262b936f"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -280,7 +280,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-6e903d01-f421-4d1e-9f9b-dc282f0b205d"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-79c0b23f-fc32-42f1-8401-65a81d179e37"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -299,7 +299,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-f1b90b6d-873d-4c63-9ff5-6a0f7fce9347"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-5c3b0cb5-58bb-49a8-ba8c-ce1058eb3ca5"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -316,7 +316,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-27a5086b-b2eb-4c67-ba82-28edc863c889"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-b65d3a1e-d2f4-4d34-af7f-48f215828827"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -376,19 +376,19 @@ User u10 views item i29
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To retrieve 4 items which are similar to item ID &quot;i1&quot;. You send this JSON <code>{ &quot;items&quot;: [&quot;i1&quot;], &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control
 "> <li data-lang="json"><a href="#tab-418614f8-aa5b-4afc-9041-299fd61bfa3f">REST API</a></li> <li data-lang="python"><a href="#tab-3d85e95e-25c0-4cdf-8dc0-4563d76e2d4d">Python SDK</a></li> <li data-lang="php"><a href="#tab-ea4257e3-4439-4066-8327-ec63d467cc3b">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-902aebe5-e5f2-45da-83b9-9adaec7c2f9b">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f44c73c3-bb2c-4973-be3e-2fb79dbdf7aa">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-418614f8-aa5b-4afc-9041-299fd61bfa3f"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To retrieve 4 items which are similar to item ID &quot;i1&quot;. You send this JSON <code>{ &quot;items&quot;: [&quot;i1&quot;], &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control
 "> <li data-lang="json"><a href="#tab-6d4f1247-289a-4ed4-82d8-34c816c56179">REST API</a></li> <li data-lang="python"><a href="#tab-bb4d0331-39b2-4d90-bf7b-3809be98de51">Python SDK</a></li> <li data-lang="php"><a href="#tab-cb127f2b-da17-40fd-846c-d8c37f6232b7">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-8e55b60b-991f-45ff-88a9-ddc765f3983c">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f0b5f391-e59f-4408-b6fa-1e999da3ea11">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-6d4f1247-289a-4ed4-82d8-34c816c56179"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "items": ["i1"], "num": 4 }'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-3d85e95e-25c0-4cdf-8dc0-4563d76e2d4d"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-bb4d0331-39b2-4d90-bf7b-3809be98de51"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span><span class="s">"items"</span><span class="p">:</span> <span class="p">[</span><span class="s">"i1"</span><span class="p">],</span> <span class="s">"num"</span><span class="p">:</span> <span class="mi">4</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-ea4257e3-4439-4066-8327-ec63d467cc3b"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-cb127f2b-da17-40fd-846c-d8c37f6232b7"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -407,7 +407,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-902aebe5-e5f2-45da-83b9-9adaec7c2f9b"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-8e55b60b-991f-45ff-88a9-ddc765f3983c"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -420,7 +420,7 @@ http://localhost:8000/queries.json
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="p">[</span><span class="s1">'i1'</span><span class="p">],</span> <span class="s1">'num'</span> <span class="o">=&gt;</span> <span class="mi">4</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f44c73c3-bb2c-4973-be3e-2fb79dbdf7aa"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f0b5f391-e59f-4408-b6fa-1e999da3ea11"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4

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[12/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/sdk/php/index.html
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-<!DOCTYPE html><html><head><title>PHP SDK</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="PHP SDK"/><link rel="canonical" href="https://docs.prediction.io/sdk/php/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></
 script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrap
 per"><p>PredictionIO Docs</p><h4>PHP SDK</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="ex
 pandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><s
 pan>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final active" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Mon
 itoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span>
 </a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><spa
 n>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild
 /"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span
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 lass="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Integrating with Your App</a><span class="spacer">&gt;</span></li><li><a href="/sdk/">List of SDKs</a><span class="spacer">&gt;</span></li><li><span class="last">PHP SDK</span></li></ul></div><div id="page-title"><h1>PHP SDK</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"
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 pandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><s
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 n>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild
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 gration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final active" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring
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 rview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algo
 rithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation
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-<!DOCTYPE html><html><head><title>Quick Start - E-Commerce Recommendation Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - E-Commerce Recommendation Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/ecommercerecommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs
 /html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="sea
 rch-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - E-Commerce Recommendation Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"
 ></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</spa
 n></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level
 -2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a
  class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span><
 /a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="
 level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="fi
 nal" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><
 li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview<
 /a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#setting-constraint-unavailableitems">Setting constraint "unavailableItems"</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/ecommercerecommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div cl
 ass="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template provides personalized recommendation for e-commerce applications with the following features by default:</p> <ul> <li>Exclude out-of-stock items</li> <li>Provide recommendation to new users who sign up after the model is trained</li> <li>Recommend unseen items only (configurable)</li> <li>Recommend popular items if no information about the user is available (added in template version v0.4.0)</li> </ul> <div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.0</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server:</p> <ul> <li>Users&#39; <em>view</em> events</
 li> <li>Users&#39; <em>buy</em> events</li> <li>Items&#39; with <em>categories</em> properties</li> <li>Constraint <em>unavailableItems</em> set events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>rate</em> and <em>like</em>.</p></div><p>The <em>view</em> events are used as Training Data to train the model. The algorithm has a parameter <em>unseenOnly</em>; when this parameter is set to true, the engine would recommend unseen items only. You can specify a list of events which are considered as <em>seen</em> events with the algorithm parameter <em>seenEvents</em>. The default values are <em>view</em> and <em>buy</em> events, which means that the engine by default recommends un-viewed and un-bought items only. You can also define your own events which are considered as <em>seen</em>.</p><p>The constraint <em>unavailableItems</em> set events are used to exclude a list of unaviable items (such as out of sto
 ck) for all users in real time.</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>UserID</li> <li>Num of items to be recommended</li> <li>List of white-listed item categories (optional)</li> <li>List of white-listed ItemIds (optional)</li> <li>List of black-listed ItemIds (optional)</li> </ul> <p>The template also supports black-list and whitelist. If a whitelist is provided, the engine will include only those products in the recommendation. Likewise, if a blacklist is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>A ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/Predicti
 onIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - E-Commerce Recommendation Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - E-Commerce Recommendation Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/ecommercerecommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs
 /html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="sea
 rch-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - E-Commerce Recommendation Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"
 ></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</spa
 n></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level
 -2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a
  class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span><
 /a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="
 level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="fi
 nal" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><
 li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview<
 /a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#setting-constraint-unavailableitems">Setting constraint "unavailableItems"</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/ecommercerecommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div cl
 ass="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template provides personalized recommendation for e-commerce applications with the following features by default:</p> <ul> <li>Exclude out-of-stock items</li> <li>Provide recommendation to new users who sign up after the model is trained</li> <li>Recommend unseen items only (configurable)</li> <li>Recommend popular items if no information about the user is available (added in template version v0.4.0)</li> </ul> <div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.0</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server:</p> <ul> <li>Users&#39; <em>view</em> events</
 li> <li>Users&#39; <em>buy</em> events</li> <li>Items&#39; with <em>categories</em> properties</li> <li>Constraint <em>unavailableItems</em> set events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>rate</em> and <em>like</em>.</p></div><p>The <em>view</em> events are used as Training Data to train the model. The algorithm has a parameter <em>unseenOnly</em>; when this parameter is set to true, the engine would recommend unseen items only. You can specify a list of events which are considered as <em>seen</em> events with the algorithm parameter <em>seenEvents</em>. The default values are <em>view</em> and <em>buy</em> events, which means that the engine by default recommends un-viewed and un-bought items only. You can also define your own events which are considered as <em>seen</em>.</p><p>The constraint <em>unavailableItems</em> set events are used to exclude a list of unaviable items (such as out of sto
 ck) for all users in real time.</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>UserID</li> <li>Num of items to be recommended</li> <li>List of white-listed item categories (optional)</li> <li>List of white-listed ItemIds (optional)</li> <li>List of black-listed ItemIds (optional)</li> </ul> <p>The template also supports black-list and whitelist. If a whitelist is provided, the engine will include only those products in the recommendation. Likewise, if a blacklist is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>A ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/Predicti
 onIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, the E-Commerce Recommendation Engine Template supports 2 types of entities and 2 events: <strong>user</strong> and <strong>item</strong>; events <strong>view</strong> and <strong>buy</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view and buy an item. The specical <strong>constraint</strong> entiy with entityId <strong>unavailableItems</strong> defines a list of unavailable items and is taken into account in realtime during serving.</p><p>In summary, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item events, user-buy-item event and &#39;$set&#39; constraint event.</p><div class="alert-message info"><p>This template can easily be customized to consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-da0cba86-4083-4ad8-9df0-d8e331cc520b">REST API</a></li> <li data-lang="python"><a href="#tab-ae968b56-a1ba-4e75-b683-60bfbeb3bbfa">Python SDK</a></li> <li data-lang="php"><a href="#tab-15263895-da92-4e37-9ae6-e62b12266398">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-b988a21b-3f9e-40c2-bc87-c81fae4811ad">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-1bc2cbad-61bf-4115-81d7-9ddd597eeba9">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-da0cba86-4083-4ad8-9df0-d8e331cc520b"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, the E-Commerce Recommendation Engine Template supports 2 types of entities and 2 events: <strong>user</strong> and <strong>item</strong>; events <strong>view</strong> and <strong>buy</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view and buy an item. The specical <strong>constraint</strong> entiy with entityId <strong>unavailableItems</strong> defines a list of unavailable items and is taken into account in realtime during serving.</p><p>In summary, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item events, user-buy-item event and &#39;$set&#39; constraint event.</p><div class="alert-message info"><p>This template can easily be customized to consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-cf81ca64-5a30-4386-bbb0-459f58a0402f">REST API</a></li> <li data-lang="python"><a href="#tab-9424fd9d-6b7e-40ea-bf70-ca725053ccc2">Python SDK</a></li> <li data-lang="php"><a href="#tab-4bb36984-5211-4f07-a6f5-59c9d9908a62">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-5db99c41-35af-4da6-a44e-6c6827cb678e">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-388f5130-be64-4d56-8b1a-14acf61831d5">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-cf81ca64-5a30-4386-bbb0-459f58a0402f"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -47,7 +47,7 @@ Your system is all ready to go.
   "entityId" : "u0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-ae968b56-a1ba-4e75-b683-60bfbeb3bbfa"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-9424fd9d-6b7e-40ea-bf70-ca725053ccc2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -78,7 +78,7 @@ Your system is all ready to go.
   <span class="n">entity_type</span><span class="o">=</span><span class="s">"user"</span><span class="p">,</span>
   <span class="n">entity_id</span><span class="o">=&lt;</span><span class="n">USER_ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-15263895-da92-4e37-9ae6-e62b12266398"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-4bb36984-5211-4f07-a6f5-59c9d9908a62"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -119,7 +119,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'categories'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-b988a21b-3f9e-40c2-bc87-c81fae4811ad"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-5db99c41-35af-4da6-a44e-6c6827cb678e"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -136,7 +136,7 @@ Your system is all ready to go.
   <span class="s1">'user'</span><span class="p">,</span>
   <span class="o">&lt;</span><span class="no">USER</span> <span class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-1bc2cbad-61bf-4115-81d7-9ddd597eeba9"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-388f5130-be64-4d56-8b1a-14acf61831d5"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -161,7 +161,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span class="o">(</span><span class="s">"user"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">USER_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">userEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-bf01b8a0-af65-463f-9327-d26a069817fc">REST API</a></li> <li data-lang="python"><a href="#tab-1578e45d-e4ae-40fd-9cd8-cf495480e839">Python SDK</a></li> <li data-lang="php"><a href="#tab-05f24c9d-240e-4e41-9f6c-9cc6a12d02e8">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-fa3d8464-ac00-4aa6-a672-5141252895c8">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-cbe89150-19b7-4a88-a755-1e98816df6f1">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-bf01b8
 a0-af65-463f-9327-d26a069817fc"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-d3d4976c-ee61-4137-bf33-bf8dd2d4325c">REST API</a></li> <li data-lang="python"><a href="#tab-9acb3799-c150-47e3-9571-b96c4e5b912c">Python SDK</a></li> <li data-lang="php"><a href="#tab-4b46d531-3eb5-49c7-ab2f-cba3849fb681">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-b04e7312-a856-479e-b51e-b7884492f3cc">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-1796ee39-a03c-4b96-8786-c11d4c64f905">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-d3d497
 6c-ee61-4137-bf33-bf8dd2d4325c"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -182,7 +182,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-1578e45d-e4ae-40fd-9cd8-cf495480e839"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-9acb3799-c150-47e3-9571-b96c4e5b912c"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -201,7 +201,7 @@ Your system is all ready to go.
     <span class="s">"categories"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="p">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-05f24c9d-240e-4e41-9f6c-9cc6a12d02e8"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-4b46d531-3eb5-49c7-ab2f-cba3849fb681"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -218,7 +218,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'categories'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-fa3d8464-ac00-4aa6-a672-5141252895c8"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-b04e7312-a856-479e-b51e-b7884492f3cc"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -235,7 +235,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-cbe89150-19b7-4a88-a755-1e98816df6f1"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-1796ee39-a03c-4b96-8786-c11d4c64f905"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -248,7 +248,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;)</span>
   <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"categories"</span><span class="o">,</span> <span class="n">ImmutableList</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="o">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="o">));</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">itemEvent</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of the <code>user</code> and <code>item</code> can be set, unset, or delete by special events <strong>$set</strong>, <strong>$unset</strong> and <strong>$delete</strong>. Please refer to <a href="/datacollection/eventapi/#note-about-properties">Event API</a> for more details of using these events.</p><p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-f0b2936c-841d-4439-afb3-66550cb8481e">REST API</a></li> <li data-lang="python"><a href="#tab-e4f18e31-eaae-4890-bba0-bf0dd0da534f">Python SDK</a></li> <li data-lang="php"><a href="#tab-a2d6e7a2-b3d4-41ac-9ee7-a2211e3bde16">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-56219996-a309-48e1-8bfb-c4f591
 3797c4">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-18096767-6d01-49ed-a86f-3e988225b0a4">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-f0b2936c-841d-4439-afb3-66550cb8481e"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of the <code>user</code> and <code>item</code> can be set, unset, or delete by special events <strong>$set</strong>, <strong>$unset</strong> and <strong>$delete</strong>. Please refer to <a href="/datacollection/eventapi/#note-about-properties">Event API</a> for more details of using these events.</p><p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-be6bed47-af04-44e2-8e9f-576ad16e9482">REST API</a></li> <li data-lang="python"><a href="#tab-3d8eb54e-58b6-44df-acf6-43eb139521b5">Python SDK</a></li> <li data-lang="php"><a href="#tab-1a492bce-8e2a-4126-bcdb-2fb671882dab">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c00e503e-ee97-4118-a0ec-abbd6b
 0dfb3a">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-6f84dc18-be92-42c7-85a2-a439f75401c6">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-be6bed47-af04-44e2-8e9f-576ad16e9482"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -267,7 +267,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-e4f18e31-eaae-4890-bba0-bf0dd0da534f"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-3d8eb54e-58b6-44df-acf6-43eb139521b5"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -284,7 +284,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-a2d6e7a2-b3d4-41ac-9ee7-a2211e3bde16"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-1a492bce-8e2a-4126-bcdb-2fb671882dab"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -303,7 +303,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-56219996-a309-48e1-8bfb-c4f5913797c4"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c00e503e-ee97-4118-a0ec-abbd6b0dfb3a"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -322,7 +322,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-18096767-6d01-49ed-a86f-3e988225b0a4"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-6f84dc18-be92-42c7-85a2-a439f75401c6"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -337,7 +337,7 @@ Your system is all ready to go.
     <span class="o">.</span><span class="na">targetEntityType</span><span class="o">(</span><span class="s">"item"</span><span class="o">)</span>
     <span class="o">.</span><span class="na">targetEntityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">viewEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; buy item &quot;i0&quot; on time <code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-8877ec13-c5c8-4229-9f92-9a71b02b5e07">REST API</a></li> <li data-lang="python"><a href="#tab-d85d369e-3893-49c8-8b90-f7419381ebc6">Python SDK</a></li> <li data-lang="php"><a href="#tab-c2ad5769-cb55-4969-94ae-ea6164c9dd5c">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-5ba5039d-bd3d-4f33-89fd-59990e29dc75">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-210a6815-6a2a-4d59-83e2-1bd1739ba89d">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-8877ec13-c5c8-4229-9f92-9a71b02b5e07"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; buy item &quot;i0&quot; on time <code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-fa996639-174f-48db-a39a-d85b5b35a018">REST API</a></li> <li data-lang="python"><a href="#tab-527cd747-aee5-4527-90f5-6cc3a366828e">Python SDK</a></li> <li data-lang="php"><a href="#tab-9400445e-d894-4c73-a149-8db72936492a">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-712ec216-ab58-47a4-a8e2-a8ce55580d52">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-d57d41af-b10e-4d09-94f9-17948ce9e48d">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-fa996639-174f-48db-a39a-d85b5b35a018"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
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@@ -356,7 +356,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T13:00:00.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-d85d369e-3893-49c8-8b90-f7419381ebc6"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-527cd747-aee5-4527-90f5-6cc3a366828e"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -373,7 +373,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c2ad5769-cb55-4969-94ae-ea6164c9dd5c"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-9400445e-d894-4c73-a149-8db72936492a"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -392,7 +392,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-5ba5039d-bd3d-4f33-89fd-59990e29dc75"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-712ec216-ab58-47a4-a8e2-a8ce55580d52"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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 4
@@ -409,7 +409,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-210a6815-6a2a-4d59-83e2-1bd1739ba89d"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-d57d41af-b10e-4d09-94f9-17948ce9e48d"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -490,19 +490,19 @@ User u10 buys item i40
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON <code>{ &quot;user&quot;: [&quot;u1&quot;], &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="
 json"><a href="#tab-657130cc-ac6b-4147-b53a-e902ad0360b2">REST API</a></li> <li data-lang="python"><a href="#tab-72c4f2fa-8f90-4b94-aa29-22f8a7869905">Python SDK</a></li> <li data-lang="php"><a href="#tab-4345a7a0-ca0a-4aae-9f27-186daa1b3833">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-f35a759a-2f39-4e9a-807d-d78ac5932e85">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-c196a171-174b-417d-b179-fd7486e8a91e">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-657130cc-ac6b-4147-b53a-e902ad0360b2"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON <code>{ &quot;user&quot;: [&quot;u1&quot;], &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="
 json"><a href="#tab-a0781f7b-d932-4788-a21c-8db3f803783a">REST API</a></li> <li data-lang="python"><a href="#tab-a88602bb-744c-411a-9b79-f46b82952a07">Python SDK</a></li> <li data-lang="php"><a href="#tab-484374a0-4d2b-48aa-a683-f7bc388bc6a8">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-fefa70d1-16be-48dc-aeea-8e7170110d48">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f380d412-af00-43e0-aa84-b012ea146c99">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-a0781f7b-d932-4788-a21c-8db3f803783a"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "user": "u1", "num": 4 }'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-72c4f2fa-8f90-4b94-aa29-22f8a7869905"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-a88602bb-744c-411a-9b79-f46b82952a07"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span><span class="s">"user"</span><span class="p">:</span> <span class="s">"u1"</span><span class="p">,</span> <span class="s">"num"</span><span class="p">:</span> <span class="mi">4</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-4345a7a0-ca0a-4aae-9f27-186daa1b3833"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-484374a0-4d2b-48aa-a683-f7bc388bc6a8"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -521,7 +521,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-f35a759a-2f39-4e9a-807d-d78ac5932e85"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-fefa70d1-16be-48dc-aeea-8e7170110d48"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -534,7 +534,7 @@ http://localhost:8000/queries.json
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'user'</span> <span class="o">=&gt;</span> <span class="s1">'i1'</span><span class="p">,</span> <span class="s1">'num'</span> <span class="o">=&gt;</span> <span class="mi">4</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-c196a171-174b-417d-b179-fd7486e8a91e"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f380d412-af00-43e0-aa84-b012ea146c99"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -578,7 +578,7 @@ http://localhost:8000/queries.json
     <span class="o">{</span><span class="s2">"item"</span>:<span class="s2">"i3"</span>,<span class="s2">"score"</span>:0.003007015026561692<span class="o">}</span>
   <span class="o">]</span>
 <span class="o">}</span>
-</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> is now running.</p><div class="alert-message info"><p>To update the model periodically with new data, simply set up a cron job to call <code>pio train</code> and <code>pio deploy</code>. The engine will continue to serve prediction results during the re-train process. After the training is completed, <code>pio deploy</code> will automatically shutdown the existing engine server and bring up a new process on the same port.</p></div><div class="alert-message info"><p><strong>Note that if you import a <em>large</em> data set</strong> and the training seems to be taking forever or getting stuck, it&#39;s likely that there is not enough executor memory. It&#39;s recommended to setup a Spark standalone cluster, you&#39;ll need to specify more driver and executor memory when training with a large data set. Please see <a href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> <h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send a item contraint &quot;unavailableItems&quot; (replace accessKey with your Access Key):</p><div class="alert-message note"><p>You can also use SDK to send this event as decribed in the SDK sample above.</p></div><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-781f7259-e31b-4d5b-aabf-1610a2786a26">REST API</a></li> <li data-lang="python"><a href="#tab-59ecc806-ccd3-4aa6-921e-0d9539a3342b">Python SDK</a></li> <li data-lang="php"><a href="#tab-148ac2ca-5963-439c-9c46-9520f4d5d998">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-54f87ef4-e0a7-4b18-92ae-8ee3cc7c263a">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-7d4c341f-e710-445c-a5a5-2d245f40a770">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-781f7259-e31b-4d5b-aabf-1610a2786a26"> <div class="highlight shell"> <table style="border-sp
 acing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> is now running.</p><div class="alert-message info"><p>To update the model periodically with new data, simply set up a cron job to call <code>pio train</code> and <code>pio deploy</code>. The engine will continue to serve prediction results during the re-train process. After the training is completed, <code>pio deploy</code> will automatically shutdown the existing engine server and bring up a new process on the same port.</p></div><div class="alert-message info"><p><strong>Note that if you import a <em>large</em> data set</strong> and the training seems to be taking forever or getting stuck, it&#39;s likely that there is not enough executor memory. It&#39;s recommended to setup a Spark standalone cluster, you&#39;ll need to specify more driver and executor memory when training with a large data set. Please see <a href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> <h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send a item contraint &quot;unavailableItems&quot; (replace accessKey with your Access Key):</p><div class="alert-message note"><p>You can also use SDK to send this event as decribed in the SDK sample above.</p></div><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-b092f62c-9ecf-4022-b97b-a4c3ca2c8cbb">REST API</a></li> <li data-lang="python"><a href="#tab-1109e0e3-beb1-4257-8d4f-8fd343d2dfb5">Python SDK</a></li> <li data-lang="php"><a href="#tab-6a2acf10-2da7-45c1-a7a3-c15bdb0a5141">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-d0ed0275-669e-455d-b3f0-413b60b791d6">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-85993f4c-f400-4823-b832-24cb6be2993c">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-b092f62c-9ecf-4022-b97b-a4c3ca2c8cbb"> <div class="highlight shell"> <table style="border-sp
 acing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -599,7 +599,7 @@ http://localhost:8000/queries.json
   }
   "eventTime" : "2015-02-17T02:11:21.934Z"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-59ecc806-ccd3-4aa6-921e-0d9539a3342b"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-1109e0e3-beb1-4257-8d4f-8fd343d2dfb5"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -618,7 +618,7 @@ http://localhost:8000/queries.json
     <span class="s">"items"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"&lt;ITEM ID1&gt;"</span><span class="p">,</span> <span class="s">"&lt;ITEM ID2&gt;"</span><span class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-148ac2ca-5963-439c-9c46-9520f4d5d998"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-6a2acf10-2da7-45c1-a7a3-c15bdb0a5141"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -635,7 +635,7 @@ http://localhost:8000/queries.json
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-54f87ef4-e0a7-4b18-92ae-8ee3cc7c263a"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-d0ed0275-669e-455d-b3f0-413b60b791d6"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -650,7 +650,7 @@ http://localhost:8000/queries.json
     <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="p">{</span> <span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="p">[</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span class="p">]</span> <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-7d4c341f-e710-445c-a5a5-2d245f40a770"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-85993f4c-f400-4823-b832-24cb6be2993c"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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[10/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/system/deploy-cloudformation/index.html
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@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Deploying with AWS CloudFormation</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Deploying with AWS CloudFormation"/><link rel="canonical" href="https://docs.prediction.io/system/deploy-cloudformation/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//c
 dn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11
  col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Deploying with AWS CloudFormation</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><
 div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Inte
 grating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interf
 ace</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li
  class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosin
 g an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluati
 on Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li cla
 ss="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul
 ><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Deploying with AWS CloudFormation</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#step-by-step">Step-by-Step</a> </li> <li> <a href="#using-the-cluster">Using th
 e Cluster</a> </li> <li> <a href="#scaling-the-cluster">Scaling the Cluster</a> </li> <li> <a href="#support-and-pricing">Support and Pricing</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/system/deploy-cloudformation.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Deploying with AWS CloudFormation</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>You can scale PredictionIO on AWS with <a href="http://aws.amazon.com/cloudformation/">CloudFormation</a>. Here we have defined a PredictionIO CloudFormation stack that you can deploy a functional, fully distributed PredictionIO cluster in minutes.</p><h3 id='instances' class='header-anchors'>Instances</h3><p>The PredictionIO CloudFormation stack creates two types of instance: <strong>compute an
 d storage</strong>. By default, the stack will launch <strong>1 compute Instance and 3 Storage instances</strong>.</p><p>The compute instance <em>(ComputeInstance)</em> acts as Spark master. You can launch extra compute instances <em>(ComputeInstanceExtra)</em> by updating the stack. The storage instances <em>(StorageInstance)</em> form the core of the HDFS, ZooKeeper quorum, and HBase storage. Extra storage instances <em>(StorageInstanceExtra)</em> can be added to the cluster by updating the stack. They cannot be removed once they are spinned up.</p><p>PredictionIO Event Server will be launched on all storage instances.</p><h3 id='networking' class='header-anchors'>Networking</h3><p>The stack will automatically create a VPC and a subnet with an Internet gateway. All cluster instances will be launched inside this subnet using a single security group that enables all TCP communications among all instances within the same group. All compute instances (including those that are launched
  after stack creation) will receive public IPs. All core storage instances will receive public Elastic IPs.</p><h2 id='step-by-step' class='header-anchors'>Step-by-Step</h2><p>First, you need to have an active Amazon Web Services account with permissions to use the following services:</p> <ul> <li>Auto Scaling</li> <li>CloudFormation</li> <li>EC2</li> <li>VPC</li> </ul> <h3 id='subscribe-to-predictionio-cluster' class='header-anchors'>Subscribe to PredictionIO Cluster</h3><p>Before you can start using PredictionIO CloudFormation template, you will need to subscribe to PredictionIO Cluster AMI through AWS Marketplace. To subscribe, go to this <a href="https://aws.amazon.com/marketplace/pp/B00S74CY0A">link</a>. Click the yellow &quot;Continue&quot; button on the next screen.</p><p><img alt="AWS Marketplace Subscription Page" src="/images/cloudformation/awsmp-1-609eb919.png"/></p><p>In the next screen, click the &quot;Manual Launch&quot; tab, then select your preferred pricing model. P
 ick your desired version, then click &quot;Accept Terms&quot;.</p><p><img alt="AWS Marketplace Term Page" src="/images/cloudformation/awsmp-2-7dd613ba.png"/></p><p>Once your subscription is in place, you may proceed to the next section.</p><h3 id='start-using-cloudformation' class='header-anchors'>Start Using CloudFormation</h3><p>From your main AWS console, locate CloudFormation and click on it.</p><p><img alt="CloudFormation on AWS Console" src="/images/cloudformation/cf-01-13c7f924.png"/></p><p>This will bring you to the CloudFormation console below.</p><p><img alt="CloudFormation Console" src="/images/cloudformation/cf-02-61cd8e67.png"/></p><h3 id='select-the-predictionio-cloudformation-stack-template' class='header-anchors'>Select the PredictionIO CloudFormation Stack Template</h3><p>From the CloudFormation console, click on the <strong>Create New Stack</strong> blue button as shown above. This will bring up the <strong>Select Template</strong> screen. Name your stack as you li
 ke. Within the <em>Template</em> section, choose <strong>Specify an Amazon S3 template URL</strong>, and put <a href="https://s3.amazonaws.com/cloudformation.prediction.io/0.9.6/pio.json">https://s3.amazonaws.com/cloudformation.prediction.io/0.9.6/pio.json</a> as the value.</p><p><img alt="CloudFormation Stack Template Selection" src="/images/cloudformation/cf-03-d017fa2d.png"/></p><p>Click <strong>Next</strong> when you are done.</p><h3 id='specify-stack-parameters' class='header-anchors'>Specify Stack Parameters</h3><p>The next screen shows the stack parameters. You must enter your AWS SSH key pair. For the other parameters, you can change them to meet your needs or simply use the default values.</p><p><img alt="Stack Parameters" src="/images/cloudformation/cf-04-6b545f50.png"/></p> <table><thead> <tr> <th>Parameter</th> <th>Description</th> </tr> </thead><tbody> <tr> <td>AWS-KeyPair</td> <td>The AWS SSH key pair name that can be used to access all instances in the cluster.</td> <
 /tr> <tr> <td>AvailabilityZone</td> <td>Specify the availability zone that the PredictionIO cluster will be launched in. All instances of the cluster will be launched into the same zone for optimal network performance between one another.</td> </tr> <tr> <td>ComputeInstanceType</td> <td>The EC2 instance type of all compute instances. Memory-optimized EC2 instances are recommended.</td> </tr> <tr> <td>ComputeInstanceExtra</td> <td>Number of extra compute instances besides the core compute instance. This can be increased and decreased.</td> </tr> <tr> <td>StorageInstanceExtra</td> <td>Number of extra storage instances besides core storage instances. <strong>Never decrease this value or you will risk data corruption.</strong></td> </tr> <tr> <td>StorageInstanceExtraSize</td> <td>Size in GB of each extra storage instance. This can be changed when you add an extra storage instance.</td> </tr> <tr> <td>StorageInstanceExtraVolumeType</td> <td>The EBS volume type of each extra storage insta
 nce. Valid values are <em>standard</em> and <em>gp2</em>. This can be changed when you add an extra storage instance.</td> </tr> <tr> <td>StorageInstanceType</td> <td>The EC2 instance type of all storage instances. General purpose EC2 instances are recommended.</td> </tr> <tr> <td>StorageInstanceSize</td> <td>Size in GB of each core storage instance. This cannot be changed once the cluster is launched.</td> </tr> <tr> <td>StorageInstanceVolumeType</td> <td>The EBS volume type of each core storage instance. Valid values are <em>standard</em> and <em>gp2</em>. This cannot be changed once the cluster is launched.</td> </tr> </tbody></table> <p>Click <strong>Next</strong> when you are done. You will arrive at the <strong>Options</strong> screen. You can skip this step if you do not have other options to specify.</p><p>At the <strong>Review</strong> screen, click <strong>Create</strong> to finish.</p><h2 id='using-the-cluster' class='header-anchors'>Using the Cluster</h2><p>You should se
 e the following when the cluster is being created after the previous step.</p><p><img alt="Stack Creation" src="/images/cloudformation/cf-05-92ee63c2.png"/></p><p>Once the stack creation has finished, you can click on <strong>Events</strong> and select <strong>Outputs</strong> to arrive to the following screen.</p><p><img alt="Completed Stack" src="/images/cloudformation/cf-06-b36528fa.png"/></p><p>Take note of <strong>PIOComputeMasterPublicIp</strong> and <strong>PIOStorageMasterPublicIp</strong>. We will now access the cluster and make sure everything is in place.</p><div class="alert-message warning"><p>Sometimes the stack is created successfully but not all cluster services would launch due to potential network glitches or system issues within a cluster instance. In this case, simply delete and create the stack again.</p></div><h3 id='verify-compute-instances' class='header-anchors'>Verify Compute Instances</h3><p>SSH to the master compute instance using the <strong>PIOComputeMa
 sterPublicIp</strong>. In this example, let us assume the IP address be 54.175.145.84, and your private key file be <strong>yourkey.pem</strong>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>ssh -i yourkey.pem -A -L 8080:localhost:8080 ubuntu@54.175.145.84
+<!DOCTYPE html><html><head><title>Deploying with AWS CloudFormation</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Deploying with AWS CloudFormation"/><link rel="canonical" href="https://docs.prediction.io/system/deploy-cloudformation/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//c
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  col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Deploying with AWS CloudFormation</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><
 div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Inte
 grating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interf
 ace</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li
  class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosin
 g an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluati
 on Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li cla
 ss="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul
 ><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Deploying with AWS CloudFormation</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#step-by-step">Step-by-Step</a> </li> <li> <a href="#using-the-cluster">Using th
 e Cluster</a> </li> <li> <a href="#scaling-the-cluster">Scaling the Cluster</a> </li> <li> <a href="#support-and-pricing">Support and Pricing</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/system/deploy-cloudformation.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Deploying with AWS CloudFormation</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>You can scale PredictionIO on AWS with <a href="http://aws.amazon.com/cloudformation/">CloudFormation</a>. Here we have defined a PredictionIO CloudFormation stack that you can deploy a functional, fully distributed PredictionIO cluster in minutes.</p><h3 id='instances' class='header-anchors'>Instances</h3><p>The PredictionIO CloudFormation stack creates two types of instance: <strong>compute an
 d storage</strong>. By default, the stack will launch <strong>1 compute Instance and 3 Storage instances</strong>.</p><p>The compute instance <em>(ComputeInstance)</em> acts as Spark master. You can launch extra compute instances <em>(ComputeInstanceExtra)</em> by updating the stack. The storage instances <em>(StorageInstance)</em> form the core of the HDFS, ZooKeeper quorum, and HBase storage. Extra storage instances <em>(StorageInstanceExtra)</em> can be added to the cluster by updating the stack. They cannot be removed once they are spinned up.</p><p>PredictionIO Event Server will be launched on all storage instances.</p><h3 id='networking' class='header-anchors'>Networking</h3><p>The stack will automatically create a VPC and a subnet with an Internet gateway. All cluster instances will be launched inside this subnet using a single security group that enables all TCP communications among all instances within the same group. All compute instances (including those that are launched
  after stack creation) will receive public IPs. All core storage instances will receive public Elastic IPs.</p><h2 id='step-by-step' class='header-anchors'>Step-by-Step</h2><p>First, you need to have an active Amazon Web Services account with permissions to use the following services:</p> <ul> <li>Auto Scaling</li> <li>CloudFormation</li> <li>EC2</li> <li>VPC</li> </ul> <h3 id='subscribe-to-predictionio-cluster' class='header-anchors'>Subscribe to PredictionIO Cluster</h3><p>Before you can start using PredictionIO CloudFormation template, you will need to subscribe to PredictionIO Cluster AMI through AWS Marketplace. To subscribe, go to this <a href="https://aws.amazon.com/marketplace/pp/B00S74CY0A">link</a>. Click the yellow &quot;Continue&quot; button on the next screen.</p><p><img alt="AWS Marketplace Subscription Page" src="/images/cloudformation/awsmp-1-609eb919.png"/></p><p>In the next screen, click the &quot;Manual Launch&quot; tab, then select your preferred pricing model. P
 ick your desired version, then click &quot;Accept Terms&quot;.</p><p><img alt="AWS Marketplace Term Page" src="/images/cloudformation/awsmp-2-7dd613ba.png"/></p><p>Once your subscription is in place, you may proceed to the next section.</p><h3 id='start-using-cloudformation' class='header-anchors'>Start Using CloudFormation</h3><p>From your main AWS console, locate CloudFormation and click on it.</p><p><img alt="CloudFormation on AWS Console" src="/images/cloudformation/cf-01-13c7f924.png"/></p><p>This will bring you to the CloudFormation console below.</p><p><img alt="CloudFormation Console" src="/images/cloudformation/cf-02-61cd8e67.png"/></p><h3 id='select-the-predictionio-cloudformation-stack-template' class='header-anchors'>Select the PredictionIO CloudFormation Stack Template</h3><p>From the CloudFormation console, click on the <strong>Create New Stack</strong> blue button as shown above. This will bring up the <strong>Select Template</strong> screen. Name your stack as you li
 ke. Within the <em>Template</em> section, choose <strong>Specify an Amazon S3 template URL</strong>, and put <a href="https://s3.amazonaws.com/cloudformation.prediction.io/0.9.5/pio.json">https://s3.amazonaws.com/cloudformation.prediction.io/0.9.5/pio.json</a> as the value.</p><p><img alt="CloudFormation Stack Template Selection" src="/images/cloudformation/cf-03-d017fa2d.png"/></p><p>Click <strong>Next</strong> when you are done.</p><h3 id='specify-stack-parameters' class='header-anchors'>Specify Stack Parameters</h3><p>The next screen shows the stack parameters. You must enter your AWS SSH key pair. For the other parameters, you can change them to meet your needs or simply use the default values.</p><p><img alt="Stack Parameters" src="/images/cloudformation/cf-04-6b545f50.png"/></p> <table><thead> <tr> <th>Parameter</th> <th>Description</th> </tr> </thead><tbody> <tr> <td>AWS-KeyPair</td> <td>The AWS SSH key pair name that can be used to access all instances in the cluster.</td> <
 /tr> <tr> <td>AvailabilityZone</td> <td>Specify the availability zone that the PredictionIO cluster will be launched in. All instances of the cluster will be launched into the same zone for optimal network performance between one another.</td> </tr> <tr> <td>ComputeInstanceType</td> <td>The EC2 instance type of all compute instances. Memory-optimized EC2 instances are recommended.</td> </tr> <tr> <td>ComputeInstanceExtra</td> <td>Number of extra compute instances besides the core compute instance. This can be increased and decreased.</td> </tr> <tr> <td>StorageInstanceExtra</td> <td>Number of extra storage instances besides core storage instances. <strong>Never decrease this value or you will risk data corruption.</strong></td> </tr> <tr> <td>StorageInstanceExtraSize</td> <td>Size in GB of each extra storage instance. This can be changed when you add an extra storage instance.</td> </tr> <tr> <td>StorageInstanceExtraVolumeType</td> <td>The EBS volume type of each extra storage insta
 nce. Valid values are <em>standard</em> and <em>gp2</em>. This can be changed when you add an extra storage instance.</td> </tr> <tr> <td>StorageInstanceType</td> <td>The EC2 instance type of all storage instances. General purpose EC2 instances are recommended.</td> </tr> <tr> <td>StorageInstanceSize</td> <td>Size in GB of each core storage instance. This cannot be changed once the cluster is launched.</td> </tr> <tr> <td>StorageInstanceVolumeType</td> <td>The EBS volume type of each core storage instance. Valid values are <em>standard</em> and <em>gp2</em>. This cannot be changed once the cluster is launched.</td> </tr> </tbody></table> <p>Click <strong>Next</strong> when you are done. You will arrive at the <strong>Options</strong> screen. You can skip this step if you do not have other options to specify.</p><p>At the <strong>Review</strong> screen, click <strong>Create</strong> to finish.</p><h2 id='using-the-cluster' class='header-anchors'>Using the Cluster</h2><p>You should se
 e the following when the cluster is being created after the previous step.</p><p><img alt="Stack Creation" src="/images/cloudformation/cf-05-92ee63c2.png"/></p><p>Once the stack creation has finished, you can click on <strong>Events</strong> and select <strong>Outputs</strong> to arrive to the following screen.</p><p><img alt="Completed Stack" src="/images/cloudformation/cf-06-b36528fa.png"/></p><p>Take note of <strong>PIOComputeMasterPublicIp</strong> and <strong>PIOStorageMasterPublicIp</strong>. We will now access the cluster and make sure everything is in place.</p><div class="alert-message warning"><p>Sometimes the stack is created successfully but not all cluster services would launch due to potential network glitches or system issues within a cluster instance. In this case, simply delete and create the stack again.</p></div><h3 id='verify-compute-instances' class='header-anchors'>Verify Compute Instances</h3><p>SSH to the master compute instance using the <strong>PIOComputeMa
 sterPublicIp</strong>. In this example, let us assume the IP address be 54.175.145.84, and your private key file be <strong>yourkey.pem</strong>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>ssh -i yourkey.pem -A -L 8080:localhost:8080 ubuntu@54.175.145.84
 </pre></td></tr></tbody></table> </div> <p>Once you are in, point your web browser to <a href="http://localhost:8080">http://localhost:8080</a>. You should see something similar to the following.</p><p><img alt="Example Spark UI" src="/images/cloudformation/spark-019c2cf1.png"/></p><div class="alert-message note"><p>In the example above <strong>NumberOfComputeWorkers</strong> is <strong>2</strong>. This is because the example has 1 compute instance and 1 extra compute instance. If you do not have any extra compute instances, you will see only 1 worker on the above page.</p></div><h3 id='verify-storage-instances' class='header-anchors'>Verify Storage Instances</h3><p>SSH to the storage instance using the <strong>PIOStorageMasterPublicIp</strong>. In this example, let us assume the IP address be 54.175.1.36, and your private key file be <strong>yourkey.pem</strong>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: rig
 ht"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>ssh -i yourkey.pem -A -L 50070:localhost:50070 -L 16010:localhost:16010 -L 16030:localhost:16030 ubuntu@54.175.1.36
 </pre></td></tr></tbody></table> </div> <p>Once you are in, point your web browser to <a href="http://localhost:50070">http://localhost:50070</a> and click on <strong>Datainstances</strong> at the top menu. You should see the following page.</p><p><img alt="Example HDFS UI" src="/images/cloudformation/hdfs-51f0231f.png"/></p><div class="alert-message warning"><p>All <strong>3 storage instances</strong> must be up for proper operation.</p></div><p>If all <strong>3 storage instances</strong> are working properly, you can then verify HBase by pointing your web browser to <a href="http://localhost:16010">http://localhost:16010</a>. You should see something similar to the following.</p><p><img alt="Example HBase UI" src="/images/cloudformation/hbase-32538c47.png"/></p><p>If you do not specify any extra storage instances, you should see 2 region servers. There should also be 1 backup master.</p><h3 id='running-quick-start' class='header-anchors'>Running Quick Start</h3><p>You can now star
 t with the fully-distributed PredictionIO cluster. Let&#39;s start with the <a href="/templates/recommendation/quickstart/">recommendation quick start</a> with a few twists.</p> <ol> <li><p>Skip the installation steps and run <code>pio status</code>. You should see everything functional.</p></li> <li><p>Run through the section <strong>Create a Sample App</strong> as described. The installation directory of PredictionIO is <code>/opt/PredictionIO</code>.</p></li> <li><p>Run through the section <strong>Collecting Data</strong> as described, except that you will be connecting to the Event Server at the master core storage instance. Assuming the private IP of the master core storage instance is <code>10.0.0.123</code>, add <code>--url http://10.0.0.123:7070</code> to the <code>import_eventserver.py</code> command.</p></li> <li><p>Copy HBase configuration to the engine template directory. The full path of the configuration file is <code>/opt/hbase-0.98.9-hadoop2/conf/hbase-site.xml</code
 >. (This step will not be required in future releases.)</p></li> <li><p>Run through the section <strong>Deploy the Engine as a Service</strong> up to the subsection <strong>Training</strong>. Assuming the private DNS name of the master compute instance is <code>ip-10-0-0-234.ec2.internal</code>, add <code>-- --master spark://ip-10-0-0-234.ec2.internal:7077</code> after the <code>pio train</code> command. This will send the training to the compute cluster instead of the local machine. The Spark master URL must match exactly the one shown on its web UI. Repeat the same steps for subsection <strong>Deploying</strong>, which will create an Engine Server backed by the compute cluster.</p></li> </ol> <h2 id='scaling-the-cluster' class='header-anchors'>Scaling the Cluster</h2><p>As your data size and/or audience grow, you can scale your cluster to handle more workload or decrease turnaround time. In this section, we will provide some general guidelines about when and how to scale your clus
 ter with CloudFormation.</p><h3 id='scaling-compute-instances' class='header-anchors'>Scaling Compute Instances</h3><p>You can increase compute instances to reduce training time <em>($pio train)</em> and the time to query an engine server. You can also check the [Spark Master Web UI] to see if you need additional compute power.</p><p>Notice that for compute instances, you can increase or decrease the number of extra compute instances <em>(ComputeInstanceExtra)</em> as much as you like. The extra compute instances will join the master and become slave compute instances as Spark workers.</p><p>Let us begin by adding 2 extra compute instances. At the CloudFormation console, right click on the cluster stack and click on <strong>Update Stack</strong>.</p><p><img alt="Updating Stack to Add Extra Compute Instances" src="/images/cloudformation/compute-1-c572ea84.png"/></p><p>At the <strong>Select Template</strong> screen, make sure <strong>Use existing template</strong> is picked, then clic
 k <strong>Next</strong>.</p><p>At the <strong>Specify Parameters</strong> screen, increase the value of <strong>ComputeInstanceExtra</strong> to <strong>2</strong>, then click <strong>Next</strong>.</p><p><img alt="Adding 2 Extra Compute Instances" src="/images/cloudformation/compute-2-f7da8e72.png"/></p><p>At the <strong>Options</strong> screen, leave everything unchanged, and click <strong>Next</strong>.</p><p>At the <strong>Review</strong> screen, make sure <strong>ComputeInstanceExtra</strong> is now updated to <strong>2</strong>. Finish by clicking <strong>Update</strong>.</p><p><img alt="Review Changes of Adding Extra Compute Instances" src="/images/cloudformation/compute-3-ee5fc6a8.png"/></p><p>You will be brought back to the CloudFormation console. You should see the stack status changed to <strong>UPDATE_IN_PROGRESS</strong>.</p><p><img alt="Adding Extra Compute Instances In Progress" src="/images/cloudformation/compute-4-67fe0caa.png"/></p><p>Once the status become <strong
 >UPDATE_COMPLETED</strong>, you will have 2 extra compute instances. Notice that during the update, your cluster is still functional and any existing work will not be affected. If you are downscaling, existing work might be affected during the update process.</p><h3 id='scaling-storage-instances' class='header-anchors'>Scaling Storage Instances</h3><p>You can scale your storage instances when you are about to run out of space. You can check your storage usage at the [Hadoop NameNode web UI].</p><div class="alert-message warning"><p>For storage instances, you can only increase the number of extra storage instances <em>(StorageInstanceExtra)</em> within the bounds of AWS EC2 limits. Decreasing the instances will risk data corruption.</p></div><p>Let us begin by adding 2 extra storage instances. At the CloudFormation console, right click on the cluster stack and click on <strong>Update Stack</strong>.</p><p><img alt="Updating Stack to Add Extra Storage Instances" src="/images/cloudform
 ation/compute-1-c572ea84.png"/></p><p>At the <strong>Select Template</strong> screen, make sure <strong>Use existing template</strong> is picked, then click <strong>Next</strong>.</p><p>At the <strong>Specify Parameters</strong> screen, increase the value of <strong>StorageInstanceExtra</strong> to <strong>2</strong>, and set the value of <strong>StorageInstanceExtraSize</strong> to <strong>100</strong>, then click <strong>Next</strong>. Notice that whenever you add an extra storage instance, you can change its size to a new value. The new size will not affect existing storage instances and your data will be safe.</p><p><img alt="Adding 2 Extra Storage Instances" src="/images/cloudformation/storage-1-ca3ae3a6.png"/></p><p>At the <strong>Options</strong> screen, leave everything unchanged, and click <strong>Next</strong>.</p><p>At the <strong>Review</strong> screen, make sure <strong>StorageInstanceExtra</strong> is now updated to <strong>2</strong>, and <strong>StorageInstanceExtraS
 ize</strong> is updated to <strong>100</strong>. Finish by clicking <strong>Update</strong>.</p><p><img alt="Review Changes of Adding Extra Storage Instances" src="/images/cloudformation/storage-2-9395c9f2.png"/></p><p>You will be brought back to the CloudFormation console. You should see the stack status changed to <strong>UPDATE_IN_PROGRESS</strong>.</p><p><img alt="Adding Extra Compute Instances In Progress" src="/images/cloudformation/compute-4-67fe0caa.png"/></p><p>Once the status become <strong>UPDATE_COMPLETED</strong>, you will have 2 extra storage instances. Notice that during the up-scaling update, your cluster is still functional and existing work will not be affected. They may be affected during downscale.</p><h2 id='support-and-pricing' class='header-anchors'>Support and Pricing</h2><p>PredictionIO Cluster comes with Enterprise Support. For pricing and support details, please contact <a href="mailto:support@prediction.io">support@prediction.io</a>.</p></div></div></div>
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-<!DOCTYPE html><html><head><title>Quick Start - Product Ranking Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Product Ranking Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/productranking/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.mi
 n.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"
 ><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Product Ranking Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page"
  class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1
 "><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine
 -commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Coll
 ecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evalua
 tion/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics
  Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible
 " href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Product Ranking Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <
 li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/productranking/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Product Ranking Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This eng
 ine template sorts a list of products for a user based on his/her preference. This is ideal for personalizing the display order of product page, catalog, or menu items if you have large number of options. It creates engagement and early conversion by placing products that a user prefers on the top.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server as Training Data:</p> <ul> <li>user <em>$set</em> events</li> <li>item <em>$set</em> events</li> <li>Users&#39; <em>view</em> item events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>UserID</li> <li>List of ItemIDs, which are the products to be ranked</li> </ul> <h3 id='output-predicted
 result' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Product Ranking Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Product Ranking Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/productranking/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.mi
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 ><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Product Ranking Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page"
  class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1
 "><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine
 -commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Coll
 ecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evalua
 tion/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics
  Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible
 " href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Product Ranking Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <
 li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/productranking/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Product Ranking Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This eng
 ine template sorts a list of products for a user based on his/her preference. This is ideal for personalizing the display order of product page, catalog, or menu items if you have large number of options. It creates engagement and early conversion by placing products that a user prefers on the top.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server as Training Data:</p> <ul> <li>user <em>$set</em> events</li> <li>item <em>$set</em> events</li> <li>Users&#39; <em>view</em> item events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>buy</em>, <em>rate</em> and <em>like</em>.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>UserID</li> <li>List of ItemIDs, which are the products to be ranked</li> </ul> <h3 id='output-predicted
 result' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data for the app of this Engine. By default, the Product Ranking Engine Template supports 2 types of entities: <strong>user</strong> and <strong>item</strong>, and event <strong>view</strong>. A user can view an item. This template requires &#39;$set&#39; user event, &#39;$set&#39; item event and user-view-item events.</p><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. N
 ote that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-cbd9eb52-e816-4c5d-b7fd-f2d44ff6d09a">REST API</a></li> <li data-lang="python"><a href="#tab-9ec46afa-91df-46b9-8108-ebd88d5aac0d">Python SDK</a></li> <li data-lang="php"><a href="#tab-3224df18-bdd4-42e8-9d09-447127a0550c">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-4111f617-f810-419f-ab9a-538c0307a4e9">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-dbeddeff-6afe-4a8d-
 97a3-4f30d5eed5d2">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-cbd9eb52-e816-4c5d-b7fd-f2d44ff6d09a"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data for the app of this Engine. By default, the Product Ranking Engine Template supports 2 types of entities: <strong>user</strong> and <strong>item</strong>, and event <strong>view</strong>. A user can view an item. This template requires &#39;$set&#39; user event, &#39;$set&#39; item event and user-view-item events.</p><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. N
 ote that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-1d4db2cc-6efd-4067-8b8d-695ce1797645">REST API</a></li> <li data-lang="python"><a href="#tab-5f92e149-ca75-4555-9499-9fbc66603aff">Python SDK</a></li> <li data-lang="php"><a href="#tab-a56a719c-20b9-481a-9919-1358290c141f">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-62ba8190-b3e9-49b2-a6de-89e57b05d616">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-331cb1ee-6ae4-4edd-
 8d2d-353cec21eaeb">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-1d4db2cc-6efd-4067-8b8d-695ce1797645"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -47,7 +47,7 @@ Your system is all ready to go.
   "entityId" : "u0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-9ec46afa-91df-46b9-8108-ebd88d5aac0d"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-5f92e149-ca75-4555-9499-9fbc66603aff"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -78,7 +78,7 @@ Your system is all ready to go.
   <span class="n">entity_type</span><span class="o">=</span><span class="s">"user"</span><span class="p">,</span>
   <span class="n">entity_id</span><span class="o">=&lt;</span><span class="n">USER_ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-3224df18-bdd4-42e8-9d09-447127a0550c"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-a56a719c-20b9-481a-9919-1358290c141f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -103,7 +103,7 @@ Your system is all ready to go.
   <span class="s1">'entityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">USER</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-4111f617-f810-419f-ab9a-538c0307a4e9"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-62ba8190-b3e9-49b2-a6de-89e57b05d616"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -120,7 +120,7 @@ Your system is all ready to go.
   <span class="s1">'user'</span><span class="p">,</span>
   <span class="o">&lt;</span><span class="no">USER</span> <span class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-dbeddeff-6afe-4a8d-97a3-4f30d5eed5d2"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-331cb1ee-6ae4-4edd-8d2d-353cec21eaeb"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -145,7 +145,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span class="o">(</span><span class="s">"user"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">USER_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">userEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-7299e18b-4eef-4f64-91d1-eb96993557b0">REST API</a></li> <li data-lang="python"><a href="#tab-1a06814e-c92d-40d4-a2aa-595afa8fef09">Python SDK</a></li> <li data-lang="php"><a href="#tab-53f40bcc-b61b-45e3-862c-dca76a5719d8">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-b47e2495-7c5e-4e1b-9366-7c3242e74abc">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-2d4a73c3-7a3d-4437-b542-27964b7523fa">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-7299e18b-4eef-4f64-91d1-eb96993557b0"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td cla
 ss="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-bf1a7cea-0e47-4150-b9d5-a732eb3005d7">REST API</a></li> <li data-lang="python"><a href="#tab-82eb4cc2-7dad-4ce7-9f9e-c7618ecd358f">Python SDK</a></li> <li data-lang="php"><a href="#tab-532e0171-9d0a-4790-ae7a-e72f4fdc3438">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c418c165-e1bf-4d20-a68f-0f9bb4bbe6b2">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-33e16283-bd17-4ff3-b6cf-151634d2d923">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-bf1a7cea-0e47-4150-b9d5-a732eb3005d7"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td cla
 ss="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -160,7 +160,7 @@ Your system is all ready to go.
   "entityId" : "i0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-1a06814e-c92d-40d4-a2aa-595afa8fef09"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-82eb4cc2-7dad-4ce7-9f9e-c7618ecd358f"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -173,7 +173,7 @@ Your system is all ready to go.
   <span class="n">entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">entity_id</span><span class="o">=&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-53f40bcc-b61b-45e3-862c-dca76a5719d8"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-532e0171-9d0a-4790-ae7a-e72f4fdc3438"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -190,7 +190,7 @@ Your system is all ready to go.
 <span class="p">));</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-b47e2495-7c5e-4e1b-9366-7c3242e74abc"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c418c165-e1bf-4d20-a68f-0f9bb4bbe6b2"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -203,7 +203,7 @@ Your system is all ready to go.
   <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-2d4a73c3-7a3d-4437-b542-27964b7523fa"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-33e16283-bd17-4ff3-b6cf-151634d2d923"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -214,7 +214,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span class="o">(</span><span class="s">"item"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">itemEvent</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-27696aee-cffc-46d8-a1cc-dab880233b18">REST API</a></li> <li data-lang="python"><a href="#tab-3c3303ad-34ad-403e-aa62-52be8557fd2c">Python SDK</a></li> <li data-lang="php"><a href="#tab-f608061e-e2ca-4e0b-ad13-ba374d95f549">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-5238274a-763e-48a6-a483-7ca720fd2da2">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-10189b0e-c7ee-4449-94f7-39b744267c66">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-27696aee-cffc-46d8-a1cc-dab880233b18"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text
 -align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-8941c93b-839d-4cb0-bb42-28702ebd9c94">REST API</a></li> <li data-lang="python"><a href="#tab-35b9ede5-0ba2-4303-91dc-9fbd75bc95f1">Python SDK</a></li> <li data-lang="php"><a href="#tab-86492915-c247-4208-a1ae-79ee62ee5636">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-8303922e-45fa-43b6-9c85-a7ff73937cf9">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-69dbe277-dc42-4b20-8eda-e2f7207ed75d">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-8941c93b-839d-4cb0-bb42-28702ebd9c94"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text
 -align: right"><pre class="lineno">1
 2
 3
 4
@@ -233,7 +233,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-3c3303ad-34ad-403e-aa62-52be8557fd2c"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-35b9ede5-0ba2-4303-91dc-9fbd75bc95f1"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -250,7 +250,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-f608061e-e2ca-4e0b-ad13-ba374d95f549"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-86492915-c247-4208-a1ae-79ee62ee5636"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -269,7 +269,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-5238274a-763e-48a6-a483-7ca720fd2da2"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-8303922e-45fa-43b6-9c85-a7ff73937cf9"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -286,7 +286,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-10189b0e-c7ee-4449-94f7-39b744267c66"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-69dbe277-dc42-4b20-8eda-e2f7207ed75d"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -344,14 +344,14 @@ User u10 views item i7
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To rank items with IDs &quot;i1&quot;, &quot;i3&quot;, &quot;i10&quot;, &quot;i2&quot;, &quot;i5&quot;, &quot;i31&quot;, &quot;i9&quot; for user &quot;u2&quot;. You send this JSON <code>{ &quot;user&quot;: &quot;u2&quot;, &quot;items&quot;: [&quot;i1&quot;, &quot;i3&quot;, &quot;i10&quot;, &quot;i2&quot;, &quot;i5&quot;, &quot;i31&quot;, &quot;i9&quot;] }</code> to the deployed engine and it will return a JSON of the ranked items. Simply send a query by making a HTTP request or through the <code>EngineCl
 ient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-b6e7d99b-a09f-4e12-8225-cc821f88f490">REST API</a></li> <li data-lang="python"><a href="#tab-25676a07-01b7-4f55-99ec-aad6d26d1343">Python SDK</a></li> <li data-lang="php"><a href="#tab-2aace1bb-a650-4ae7-85fa-04bcc142efef">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-22ce89f5-d6df-4a03-b2b8-24a63326a368">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-11599dea-9d17-4aa0-b19d-640ce9725abf">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-b6e7d99b-a09f-4e12-8225-cc821f88f490"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To rank items with IDs &quot;i1&quot;, &quot;i3&quot;, &quot;i10&quot;, &quot;i2&quot;, &quot;i5&quot;, &quot;i31&quot;, &quot;i9&quot; for user &quot;u2&quot;. You send this JSON <code>{ &quot;user&quot;: &quot;u2&quot;, &quot;items&quot;: [&quot;i1&quot;, &quot;i3&quot;, &quot;i10&quot;, &quot;i2&quot;, &quot;i5&quot;, &quot;i31&quot;, &quot;i9&quot;] }</code> to the deployed engine and it will return a JSON of the ranked items. Simply send a query by making a HTTP request or through the <code>EngineCl
 ient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-dbc58796-0168-4846-9f0d-e8f6f1f3246b">REST API</a></li> <li data-lang="python"><a href="#tab-ea11c518-0d36-4e10-b1ee-bd6b5ac34af6">Python SDK</a></li> <li data-lang="php"><a href="#tab-1592efbc-d672-43e9-83ce-c2578a39176c">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-0b7d6912-b503-4710-8509-ae76d647906a">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-7399bfe3-648a-43f5-ab93-ea3ccd80b396">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-dbc58796-0168-4846-9f0d-e8f6f1f3246b"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "user": "u2", "items": ["i1", "i3", "i10", "i2", "i5", "i31", "i9"]}'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-25676a07-01b7-4f55-99ec-aad6d26d1343"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-ea11c518-0d36-4e10-b1ee-bd6b5ac34af6"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -362,7 +362,7 @@ http://localhost:8000/queries.json
   <span class="s">"user"</span><span class="p">:</span> <span class="s">"u2"</span><span class="p">,</span>
   <span class="s">"items"</span><span class="p">:</span> <span class="p">[</span><span class="s">"i1"</span><span class="p">,</span> <span class="s">"i3"</span><span class="p">,</span> <span class="s">"i10"</span><span class="p">,</span> <span class="s">"i2"</span><span class="p">,</span> <span class="s">"i5"</span><span class="p">,</span> <span class="s">"i31"</span><span class="p">,</span> <span class="s">"i9"</span><span class="p">]</span>
 <span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-2aace1bb-a650-4ae7-85fa-04bcc142efef"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-1592efbc-d672-43e9-83ce-c2578a39176c"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -385,7 +385,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-22ce89f5-d6df-4a03-b2b8-24a63326a368"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-0b7d6912-b503-4710-8509-ae76d647906a"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -402,7 +402,7 @@ http://localhost:8000/queries.json
   <span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="p">[</span><span class="s1">'i1'</span><span class="p">,</span> <span class="s1">'i3'</span><span class="p">,</span> <span class="s1">'i10'</span><span class="p">,</span> <span class="s1">'i2'</span><span class="p">,</span> <span class="s1">'i5'</span><span class="p">,</span> <span class="s1">'i31'</span><span class="p">,</span> <span class="s1">'i9'</span><span class="p">])</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-11599dea-9d17-4aa0-b19d-640ce9725abf"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-7399bfe3-648a-43f5-ab93-ea3ccd80b396"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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[09/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

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@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Quick Start - Classification Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Classification Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/classification/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.
 js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><
 div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Classification Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" cl
 ass="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-co
 mmands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collect
 ing and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluatio
 n/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Re
 commendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" h
 ref="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Classification Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> 
 <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/classification/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Classification Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>An engine tem
 plate is an almost-complete implementation of an engine. PredictionIO&#39;s Classification Engine Template has integrated <strong>Apache Spark MLlib</strong>&#39;s Naive Bayes algorithm by default.</p><p>The default use case of Classification Engine Template is to predict the service plan (<em>plan</em>) a user will subscribe to based on his 3 properties: <em>attr0</em>, <em>attr1</em> and <em>attr2</em>.</p><p>You can customize it easily to fit your specific use case and needs.</p><p>We are going to show you how to create your own classification engine for production use based on this template.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user $set event, which set the attributes of the user</li> </ul> <div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' cla
 ss='header-anchors'>Input Query</h3> <ul> <li>individual attributes values (for version &gt;= v0.3.1)</li> </ul> <div class="alert-message warning"><p>for version &lt; v0.3.1, it is array of features values</p></div><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>the predicted label</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">
 PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Classification Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Classification Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/classification/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.
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 div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Classification Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" cl
 ass="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-co
 mmands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collect
 ing and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluatio
 n/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Re
 commendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" h
 ref="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Classification Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> 
 <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/classification/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Classification Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>An engine tem
 plate is an almost-complete implementation of an engine. PredictionIO&#39;s Classification Engine Template has integrated <strong>Apache Spark MLlib</strong>&#39;s Naive Bayes algorithm by default.</p><p>The default use case of Classification Engine Template is to predict the service plan (<em>plan</em>) a user will subscribe to based on his 3 properties: <em>attr0</em>, <em>attr1</em> and <em>attr2</em>.</p><p>You can customize it easily to fit your specific use case and needs.</p><p>We are going to show you how to create your own classification engine for production use based on this template.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user $set event, which set the attributes of the user</li> </ul> <div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' cla
 ss='header-anchors'>Input Query</h3> <ul> <li>individual attributes values (for version &gt;= v0.3.1)</li> </ul> <div class="alert-message warning"><p>for version &lt; v0.3.1, it is array of features values</p></div><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>the predicted label</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">
 PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data. By default, the Classification Engine Template reads 4 properties of a user record: attr0, attr1, attr2 and plan. This templates requires &#39;$set&#39; user events.</p><div class="alert-message info"><p>This template can easily be customized to use different or more number of attributes.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>loca
 lhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>To set properties &quot;attr0&quot;, &quot;attr1&quot;, &quot;attr2&quot; and &quot;plan&quot; for user &quot;u0&quot; on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send <code>$set</code> event for the user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-e3264ace-ad66-46a2-bf39-da9d35e83568">REST API</a></li> <li data-lang="python"><a href="#tab-1854a86c-1aca-4d19-b6f7-3778a5084c16">Python SDK</a></li> <li data-lang="php"><a href="#tab-8c72981b-12b2-4e01-8646-bd9e565214a9">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-9e026e14-9d09-4db1-a82e-48e69e193c9f">Ruby SDK</a></li> <li data-lang="java"><a href="#t
 ab-97bb519e-0b3e-4434-8088-7c9c8b329243">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-e3264ace-ad66-46a2-bf39-da9d35e83568"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data. By default, the Classification Engine Template reads 4 properties of a user record: attr0, attr1, attr2 and plan. This templates requires &#39;$set&#39; user events.</p><div class="alert-message info"><p>This template can easily be customized to use different or more number of attributes.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>loca
 lhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>To set properties &quot;attr0&quot;, &quot;attr1&quot;, &quot;attr2&quot; and &quot;plan&quot; for user &quot;u0&quot; on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send <code>$set</code> event for the user. To send this event, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-b862010e-f27c-40ac-b1cd-76767966c8c3">REST API</a></li> <li data-lang="python"><a href="#tab-901510f3-df43-49e0-b8ea-b929c65bf131">Python SDK</a></li> <li data-lang="php"><a href="#tab-8f7beca8-9c07-4e9a-9bda-8c18541f9ae4">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-f87e9aae-c92a-4687-9220-364815c8f676">Ruby SDK</a></li> <li data-lang="java"><a href="#t
 ab-6ddba041-5608-42c7-8ae6-847decccac22">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-b862010e-f27c-40ac-b1cd-76767966c8c3"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -59,7 +59,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-1854a86c-1aca-4d19-b6f7-3778a5084c16"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-901510f3-df43-49e0-b8ea-b929c65bf131"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -100,7 +100,7 @@ Your system is all ready to go.
       <span class="s">"plan"</span> <span class="p">:</span> <span class="nb">int</span><span class="p">(</span><span class="o">&lt;</span><span class="n">VALUE</span> <span class="n">OF</span> <span class="n">PLAN</span><span class="o">&gt;</span><span class="p">)</span>
     <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-8c72981b-12b2-4e01-8646-bd9e565214a9"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-8f7beca8-9c07-4e9a-9bda-8c18541f9ae4"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -137,7 +137,7 @@ Your system is all ready to go.
    <span class="p">)</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-9e026e14-9d09-4db1-a82e-48e69e193c9f"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-f87e9aae-c92a-4687-9220-364815c8f676"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -168,7 +168,7 @@ Your system is all ready to go.
     <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-97bb519e-0b3e-4434-8088-7c9c8b329243"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-6ddba041-5608-42c7-8ae6-847decccac22"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -203,7 +203,7 @@ Your system is all ready to go.
         <span class="s">"plan"</span><span class="o">,</span> <span class="o">&lt;</span><span class="n">VALUE</span> <span class="n">OF</span> <span class="n">PLAN</span><span class="o">&gt;</span>
     <span class="o">));</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">event</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>Note that you can also set the properties for the user with multiple <code>$set</code> events (They will be aggregated during engine training).</p><p>To set properties &quot;attr0&quot;, &quot;attr1&quot; and &quot;attr2&quot;, and &quot;plan&quot; for user &quot;u1&quot; at different time, you can send follwing <code>$set</code> events for the user. To send these events, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-e90f0e23-82fc-4b6d-8260-019980c48ed1">REST API</a></li> <li data-lang="python"><a href="#tab-900b86fa-aa71-4766-a34e-eff11338f7ff">Python SDK</a></li> <li data-lang="php"><a href="#tab-a11d64c9-23c7-49c4-81dd-09cf8dcca898">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-6817c5e7-d82c-4995-b924-2043700482f3">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-de3a2cae-b2e8-4603-84a1-cdc1e0ddf6cf">Java SDK</a></li> </ul> <div data-tab
 ="REST API" data-lang="json" id="tab-e90f0e23-82fc-4b6d-8260-019980c48ed1"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>Note that you can also set the properties for the user with multiple <code>$set</code> events (They will be aggregated during engine training).</p><p>To set properties &quot;attr0&quot;, &quot;attr1&quot; and &quot;attr2&quot;, and &quot;plan&quot; for user &quot;u1&quot; at different time, you can send follwing <code>$set</code> events for the user. To send these events, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-4daf4d10-c51e-4771-a04e-8381cf46ca50">REST API</a></li> <li data-lang="python"><a href="#tab-51a8700c-d795-464e-9a85-5c7b5f8142ca">Python SDK</a></li> <li data-lang="php"><a href="#tab-cc7872e1-784f-49df-88d0-804061203b63">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-7a0ab211-e7c3-47b9-910d-07f45a08ed7e">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-950c8146-ca42-447f-95d4-2bec00ff1b37">Java SDK</a></li> </ul> <div data-tab
 ="REST API" data-lang="json" id="tab-4daf4d10-c51e-4771-a04e-8381cf46ca50"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -274,7 +274,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-900b86fa-aa71-4766-a34e-eff11338f7ff"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-51a8700c-d795-464e-9a85-5c7b5f8142ca"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -327,7 +327,7 @@ Your system is all ready to go.
       <span class="s">"plan"</span> <span class="p">:</span> <span class="nb">int</span><span class="p">(</span><span class="o">&lt;</span><span class="n">VALUE</span> <span class="n">OF</span> <span class="n">PLAN</span><span class="o">&gt;</span><span class="p">)</span>
     <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-a11d64c9-23c7-49c4-81dd-09cf8dcca898"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-cc7872e1-784f-49df-88d0-804061203b63"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -390,7 +390,7 @@ Your system is all ready to go.
 <span class="p">));</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-6817c5e7-d82c-4995-b924-2043700482f3"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-7a0ab211-e7c3-47b9-910d-07f45a08ed7e"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -433,7 +433,7 @@ Your system is all ready to go.
 <span class="p">)</span>
 
 <span class="c1"># Etc...</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-de3a2cae-b2e8-4603-84a1-cdc1e0ddf6cf"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-950c8146-ca42-447f-95d4-2bec00ff1b37"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -497,17 +497,17 @@ Your system is all ready to go.
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. For example, to predict the label (i.e. <em>plan</em> in this case) of a user with attr0=2, attr1=0 and attr2=0, you send this JSON <code>{ &quot;attr0&quot;:2, &quot;attr1&quot;:0, &quot;attr2&quot;:0 }</code> to the deployed engine and it will return a JSON of the predicted plan. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK t
 o send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-11a3c778-49af-4175-8a7e-54acbd587b88">REST API</a></li> <li data-lang="python"><a href="#tab-b201a41e-1e65-4724-aea7-1324970f6416">Python SDK</a></li> <li data-lang="php"><a href="#tab-6cb06040-1476-44e0-bf32-4819b7846786">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-6c62c7fc-3054-414a-82ac-149b33e137a0">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f590228f-b034-46f0-be8a-eb6cb2518d0b">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="bash" id="tab-11a3c778-49af-4175-8a7e-54acbd587b88"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. For example, to predict the label (i.e. <em>plan</em> in this case) of a user with attr0=2, attr1=0 and attr2=0, you send this JSON <code>{ &quot;attr0&quot;:2, &quot;attr1&quot;:0, &quot;attr2&quot;:0 }</code> to the deployed engine and it will return a JSON of the predicted plan. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK t
 o send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-2a348ba9-263e-4f7d-bca1-7c829b31eabf">REST API</a></li> <li data-lang="python"><a href="#tab-3ac3e0e5-e634-4c5f-bec4-d4bdd25b9507">Python SDK</a></li> <li data-lang="php"><a href="#tab-cdb80d10-e589-4e13-a27b-bee25a0344f7">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-e565388b-0b0a-439d-8692-114dc0c8e7f3">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-143bba29-8b3c-4596-9b47-9771e406cd96">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="bash" id="tab-2a348ba9-263e-4f7d-bca1-7c829b31eabf"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "attr0":2, "attr1":0, "attr2":0 }'</span> http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-b201a41e-1e65-4724-aea7-1324970f6416"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-3ac3e0e5-e634-4c5f-bec4-d4bdd25b9507"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span><span class="s">"attr0"</span><span class="p">:</span><span class="mi">2</span><span class="p">,</span> <span class="s">"attr1"</span><span class="p">:</span><span class="mi">0</span><span class="p">,</span> <span class="s">"attr2"</span><span class="p">:</span><span class="mi">0</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-6cb06040-1476-44e0-bf32-4819b7846786"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-cdb80d10-e589-4e13-a27b-bee25a0344f7"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -526,7 +526,7 @@ Your system is all ready to go.
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-6c62c7fc-3054-414a-82ac-149b33e137a0"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-e565388b-0b0a-439d-8692-114dc0c8e7f3"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -539,7 +539,7 @@ Your system is all ready to go.
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'attr0'</span> <span class="o">=&gt;</span> <span class="mi">2</span><span class="p">,</span> <span class="s1">'attr1'</span> <span class="o">=&gt;</span> <span class="mi">0</span><span class="p">,</span> <span class="s1">'attr2'</span> <span class="o">=&gt;</span> <span class="mi">0</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f590228f-b034-46f0-be8a-eb6cb2518d0b"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-143bba29-8b3c-4596-9b47-9771e406cd96"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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[03/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

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-<!DOCTYPE html><html><head><title>Quick Start - Recommendation Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Recommendation Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/recommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.
 js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><
 div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Recommendation Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" cl
 ass="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-co
 mmands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collect
 ing and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluatio
 n/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Re
 commendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" h
 ref="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Recommendation Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> 
 <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/recommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Recommendation Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This Recommen
 dation Engine Template has integrated <strong>Apache Spark MLlib</strong>&#39;s Collaborative Filtering algorithm by default. You can customize it easily to fit your specific needs.</p><p>We are going to show you how to create your own recommendation engine for production use based on this template.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user &#39;rate&#39; item events</li> <li>user &#39;buy&#39; item events</li> </ul> <div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>user ID</li> <li>num of recomended items</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class
 ='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Recommendation Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Recommendation Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/recommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.
 js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><
 div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Recommendation Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" cl
 ass="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><
 a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-co
 mmands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collect
 ing and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a c
 lass="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluatio
 n/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Re
 commendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" h
 ref="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Recommendation Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> 
 <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/recommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Recommendation Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This Recommen
 dation Engine Template has integrated <strong>Apache Spark MLlib</strong>&#39;s Collaborative Filtering algorithm by default. You can customize it easily to fit your specific needs.</p><p>We are going to show you how to create your own recommendation engine for production use based on this template.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user &#39;rate&#39; item events</li> <li>user &#39;buy&#39; item events</li> </ul> <div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>user ID</li> <li>num of recomended items</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>a ranked list of recommended itemIDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class
 ='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data. By default, the Recommendation Engine Template supports 2 types of events: <strong>rate</strong> and <strong>buy</strong>. A user can give a rating score to an item or he can buy an item. This template requires user-view-item and user-buy-item events.</p><div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>like</em>, <em>dislike</em> etc.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs)
 .</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a user with ID &quot;u0&quot; rate an item with ID &quot;i0&quot; with rating of 5 on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send the following &quot;rate&quot; event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-025c049b-a3b7-414f-8935-13670eb398ca">REST API</a></li> <li data-lang="python"><a href="#tab-171f764a-0470-4cc9-b641-7fd5c92a39a2">Python SDK</a></li> <li data-lang="php"><a href="#tab-5ab2fd10-7a66-4c1b-9007-1ff0e3907608">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-34650ba6-e253
 -499a-86c7-9c931d1b0f4c">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-82ff9c16-96d2-41c5-9dc3-2358776e43b9">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-025c049b-a3b7-414f-8935-13670eb398ca"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect some training data. By default, the Recommendation Engine Template supports 2 types of events: <strong>rate</strong> and <strong>buy</strong>. A user can give a rating score to an item or he can buy an item. This template requires user-view-item and user-buy-item events.</p><div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>like</em>, <em>dislike</em> etc.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs)
 .</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a user with ID &quot;u0&quot; rate an item with ID &quot;i0&quot; with rating of 5 on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send the following &quot;rate&quot; event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-7b038dba-74bf-463c-be80-4e34fd4c0749">REST API</a></li> <li data-lang="python"><a href="#tab-d80c34ce-e2f6-4682-b90e-230f0b60bdd3">Python SDK</a></li> <li data-lang="php"><a href="#tab-356737c0-4f0b-40ce-a573-2d67c32787de">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-12573d96-fa4a
 -4f83-bfaf-4bd4dedab0df">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-e7b4ff1f-13d2-40e2-9c92-917f9d829744">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-7b038dba-74bf-463c-be80-4e34fd4c0749"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -57,7 +57,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-171f764a-0470-4cc9-b641-7fd5c92a39a2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-d80c34ce-e2f6-4682-b90e-230f0b60bdd3"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -92,7 +92,7 @@ Your system is all ready to go.
     <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span><span class="p">,</span>
     <span class="n">properties</span><span class="o">=</span> <span class="p">{</span> <span class="s">"rating"</span> <span class="p">:</span> <span class="nb">float</span><span class="p">(</span><span class="o">&lt;</span><span class="n">RATING</span><span class="o">&gt;</span><span class="p">)</span> <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-5ab2fd10-7a66-4c1b-9007-1ff0e3907608"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-356737c0-4f0b-40ce-a573-2d67c32787de"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -123,7 +123,7 @@ Your system is all ready to go.
    <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'rating'</span><span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">RATING</span><span class="o">&gt;</span><span class="p">)</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-34650ba6-e253-499a-86c7-9c931d1b0f4c"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-12573d96-fa4a-4f83-bfaf-4bd4dedab0df"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -150,7 +150,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-82ff9c16-96d2-41c5-9dc3-2358776e43b9"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-e7b4ff1f-13d2-40e2-9c92-917f9d829744"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -179,7 +179,7 @@ Your system is all ready to go.
     <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"rating"</span><span class="o">,</span> <span class="k">new</span> <span class="n">Float</span><span class="o">(&lt;</span><span class="n">RATING</span><span class="o">&gt;));</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">rateEvent</span><span class="o">);</span>
 
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a user with ID &quot;u1&quot; buy an item with ID &quot;i2&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send the following &quot;rate&quot; event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-248fbb70-497c-47dd-9ebb-c8369bde00e0">REST API</a></li> <li data-lang="python"><a href="#tab-e5ed8375-8cdc-4b14-b018-54e8b330369c">Python SDK</a></li> <li data-lang="php"><a href="#tab-d2f96a61-58d1-4d35-99fc-336fa40b01d4">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-9b1e1e5c-0824-4682-9b92-9374f800f86c">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-1e994ba9-f25c-4ae6-9999-47293fa041f3">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-248fbb70-497c-47dd-9ebb-c8369bde00e0"> <div class="highlight shell"> <table style="border-spacing: 0"><tbod
 y><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a user with ID &quot;u1&quot; buy an item with ID &quot;i2&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send the following &quot;rate&quot; event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-171756e6-95d8-40ce-9feb-ef8f8a7b20f5">REST API</a></li> <li data-lang="python"><a href="#tab-ed7866bb-d1cf-44fb-8442-4e7faf21a699">Python SDK</a></li> <li data-lang="php"><a href="#tab-b3a78e3d-1575-4a72-b781-fa4187716f56">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-4dc3f30b-4cc6-4ff7-90bf-d559c86897e2">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-a0b2b5c8-2230-4ab0-8f77-87af450d3916">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-171756e6-95d8-40ce-9feb-ef8f8a7b20f5"> <div class="highlight shell"> <table style="border-spacing: 0"><tbod
 y><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -198,7 +198,7 @@ Your system is all ready to go.
   "targetEntityId" : "i2",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-e5ed8375-8cdc-4b14-b018-54e8b330369c"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-ed7866bb-d1cf-44fb-8442-4e7faf21a699"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -213,7 +213,7 @@ Your system is all ready to go.
     <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
     <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-d2f96a61-58d1-4d35-99fc-336fa40b01d4"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-b3a78e3d-1575-4a72-b781-fa4187716f56"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -232,7 +232,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-9b1e1e5c-0824-4682-9b92-9374f800f86c"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-4dc3f30b-4cc6-4ff7-90bf-d559c86897e2"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -249,7 +249,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-1e994ba9-f25c-4ae6-9999-47293fa041f3"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-a0b2b5c8-2230-4ab0-8f77-87af450d3916"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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 3
 4
@@ -297,17 +297,17 @@ Your system is all ready to go.
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. To recommend 4 movies to user whose id is 1, you send this JSON <code>{ &quot;user&quot;: &quot;1&quot;, &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended movies. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang
 ="json"><a href="#tab-536c56e5-b9e1-450f-a71e-7cbe24094b24">REST API</a></li> <li data-lang="python"><a href="#tab-9dcdcb36-6f27-458e-a3c2-0717bd35e279">Python SDK</a></li> <li data-lang="php"><a href="#tab-62093f86-925d-45ef-a6c1-e344bd28baff">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c7503fc4-b08c-49c1-9a6c-535b41222257">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-9c80788c-d3e7-49e5-9ae8-9c91240be7fe">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-536c56e5-b9e1-450f-a71e-7cbe24094b24"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can try to retrieve predicted results. To recommend 4 movies to user whose id is 1, you send this JSON <code>{ &quot;user&quot;: &quot;1&quot;, &quot;num&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended movies. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang
 ="json"><a href="#tab-3c453738-45ee-4c4e-b2c5-bfbada1bae73">REST API</a></li> <li data-lang="python"><a href="#tab-d6c367c4-6118-4038-b3b0-9769437dbbc4">Python SDK</a></li> <li data-lang="php"><a href="#tab-1742a13e-8af8-4aa9-b7a6-890d439e8069">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c3834fa6-e191-40b7-b321-523f9df68f92">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-29865726-1b09-4678-a336-0063490775ad">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-3c453738-45ee-4c4e-b2c5-bfbada1bae73"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "user": "1", "num": 4 }'</span> http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-9dcdcb36-6f27-458e-a3c2-0717bd35e279"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-d6c367c4-6118-4038-b3b0-9769437dbbc4"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span><span class="s">"user"</span><span class="p">:</span> <span class="s">"1"</span><span class="p">,</span> <span class="s">"num"</span><span class="p">:</span> <span class="mi">4</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-62093f86-925d-45ef-a6c1-e344bd28baff"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-1742a13e-8af8-4aa9-b7a6-890d439e8069"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -326,7 +326,7 @@ Your system is all ready to go.
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c7503fc4-b08c-49c1-9a6c-535b41222257"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c3834fa6-e191-40b7-b321-523f9df68f92"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -339,7 +339,7 @@ Your system is all ready to go.
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'user'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">USER</span> <span class="no">ID</span><span class="o">&gt;</span><span class="p">,</span> <span class="s1">'num'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">NUMBER</span> <span class="p">(</span><span class="n">integer</span><span class="p">)</span><span class="o">&gt;</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-9c80788c-d3e7-49e5-9ae8-9c91240be7fe"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-29865726-1b09-4678-a336-0063490775ad"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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[11/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

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@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Ruby SDK</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Ruby SDK"/><link rel="canonical" href="https://docs.prediction.io/sdk/ruby/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"
 ></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-w
 rapper"><p>PredictionIO Docs</p><h4>Ruby SDK</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class
 ="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/
 "><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final active" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span
 >Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</s
 pan></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/">
 <span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricb
 uild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</
 span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><
 li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="breadcrumbs" class="hidden-sm hidden xs"><ul><li><a href="#">Integrating with Your App</a><span class="spacer">&gt;</span></li><li><a href="/sdk/">List of SDKs</a><span class="spacer">&gt;</span></li><li><span class="last">Ruby SDK</span></li></ul></div><div id="page-title"><h1>Ruby SDK</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-con
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[05/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/templates/leadscoring/quickstart/index.html
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-<!DOCTYPE html><html><head><title>Quick Start - Lead Scoring Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Lead Scoring Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/leadscoring/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></s
 cript><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div cla
 ss="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Lead Scoring Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="cont
 ainer-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="
 expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><
 span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and A
 nalyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="exp
 andible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricc
 hoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendat
 ion Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><
 span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Lead Scoring Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1
 -install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/leadscoring/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Lead Scoring Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template predicts
  the probability of an user will convert (conversion event by user) in the current session.</p><div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.0</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>&#39;page view&#39; events with session ID</li> <li>the first page view event can optionally provide the browser and referrer ID</li> <li>user &#39;buy&#39; event with session ID</li> </ul> <p>The landing page ID, referrer ID, browser information and user&#39;s buy event will be used to train the model.</p><div class="alert-message note"><p>You can customize what the &quot;conversion&quot; event is. It&#39;s &quot;buy&quot; item event by default but it can be modified to others such as &quot;subscribe&quot;.</p></div><h3 id='input-query' class='header-anchors'>Input Query<
 /h3> <ul> <li>Landing page ID</li> <li>Referrer ID</li> <li>Browser</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>score</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Lead Scoring Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Lead Scoring Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/leadscoring/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></s
 cript><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-row"><div class="row"><div cla
 ss="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Lead Scoring Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></div></div></div><div id="page" class="cont
 ainer-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li></ul></li><li class="level-1"><a class="
 expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><
 span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Collecting and A
 nalyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="exp
 andible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricc
 hoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendat
 ion Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><
 span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Lead Scoring Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1
 -install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/leadscoring/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Lead Scoring Engine Template</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template predicts
  the probability of an user will convert (conversion event by user) in the current session.</p><div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.0</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>&#39;page view&#39; events with session ID</li> <li>the first page view event can optionally provide the browser and referrer ID</li> <li>user &#39;buy&#39; event with session ID</li> </ul> <p>The landing page ID, referrer ID, browser information and user&#39;s buy event will be used to train the model.</p><div class="alert-message note"><p>You can customize what the &quot;conversion&quot; event is. It&#39;s &quot;buy&quot; item event by default but it can be modified to others such as &quot;subscribe&quot;.</p></div><h3 id='input-query' class='header-anchors'>Input Query<
 /h3> <ul> <li>Landing page ID</li> <li>Referrer ID</li> <li>Browser</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>score</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, Lead Scoring Engine Template supports the following entities: <strong>user</strong>, <strong>page</strong>, and <strong>item</strong>. An user views a page, and buys an item.</p><p>Note that a &quot;sessionId&quot; property is required to indicate these events happen in the same session. In the first visit of a user, you should specify the optional &quot;referrral ID&quot; and &quot;browser&quot; information. These are used to determine where the user comes from and the browser information.</p><p>In summary, this template requires user-view-page event and user-buy-item events with the session ID, referrer ID and browser properties.</p><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a 
 href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when an user with ID u0 views a URL page &quot;example.com/page0&quot; on time <code>2014-11-02T09:39:45.618-08:00</code>, with session ID &quot;akdj230fj8ass&quot; (current time will be used if eventTime is not specified) you can send the event to Event Server. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-fa05ad34-bccc-4af8-9
 518-0f55ed7f7b87">REST API</a></li> <li data-lang="python"><a href="#tab-0dd3237d-740a-4bd1-a7cb-812c231f52c2">Python SDK</a></li> <li data-lang="php"><a href="#tab-b4a12b3e-e871-4555-af42-b1d7d32fd24b">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-d426ab9a-502a-465a-9b75-4d3a8e79dd30">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-56b74722-0306-4a27-9585-ee8ab0b5d7c0">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-fa05ad34-bccc-4af8-9518-0f55ed7f7b87"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, Lead Scoring Engine Template supports the following entities: <strong>user</strong>, <strong>page</strong>, and <strong>item</strong>. An user views a page, and buys an item.</p><p>Note that a &quot;sessionId&quot; property is required to indicate these events happen in the same session. In the first visit of a user, you should specify the optional &quot;referrral ID&quot; and &quot;browser&quot; information. These are used to determine where the user comes from and the browser information.</p><p>In summary, this template requires user-view-page event and user-buy-item events with the session ID, referrer ID and browser properties.</p><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a 
 href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when an user with ID u0 views a URL page &quot;example.com/page0&quot; on time <code>2014-11-02T09:39:45.618-08:00</code>, with session ID &quot;akdj230fj8ass&quot; (current time will be used if eventTime is not specified) you can send the event to Event Server. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-29b538a3-e52d-40df-b
 8af-6ec7ea950063">REST API</a></li> <li data-lang="python"><a href="#tab-de5c2f66-777b-41e2-a862-cde271477fa9">Python SDK</a></li> <li data-lang="php"><a href="#tab-f529e39a-9bef-4f7e-98b6-4372b00b2be5">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-825a6fcc-e5b4-41d3-810b-c25cef26a7e8">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-b3f9cbfb-8108-482c-87bc-20d7b20390da">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-29b538a3-e52d-40df-b8af-6ec7ea950063"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -61,7 +61,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-0dd3237d-740a-4bd1-a7cb-812c231f52c2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-de5c2f66-777b-41e2-a862-cde271477fa9"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -106,7 +106,7 @@ Your system is all ready to go.
     <span class="s">"browser"</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">BROWSER</span><span class="o">&gt;</span> <span class="c"># optinal. but should specify this if you have this information when user views the landing page</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-b4a12b3e-e871-4555-af42-b1d7d32fd24b"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-f529e39a-9bef-4f7e-98b6-4372b00b2be5"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -145,7 +145,7 @@ Your system is all ready to go.
   <span class="p">)</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-d426ab9a-502a-465a-9b75-4d3a8e79dd30"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-825a6fcc-e5b4-41d3-810b-c25cef26a7e8"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -178,7 +178,7 @@ Your system is all ready to go.
     <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-56b74722-0306-4a27-9585-ee8ab0b5d7c0"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-b3f9cbfb-8108-482c-87bc-20d7b20390da"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -213,7 +213,7 @@ Your system is all ready to go.
     <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"referrerId"</span><span class="o">,</span> <span class="s">"&lt;REFERRER ID&gt;"</span><span class="o">)</span>
     <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"browser"</span><span class="o">,</span> <span class="s">"&lt;BROWSER&gt;"</span><span class="o">);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">viewEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>In the same browing session &quot;akdj230fj8ass&quot;, the user with ID u0 buys an item i0 on time <code>2014-11-02T09:42:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send the following buy event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-3b753ad2-08af-48d2-841f-e5ad9cf1a9fe">REST API</a></li> <li data-lang="python"><a href="#tab-bd8326c8-0875-453a-9460-2607abaa15f7">Python SDK</a></li> <li data-lang="php"><a href="#tab-7debbb14-6332-40b6-b8a1-fa0556a67dfb">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-d5ff4f10-b125-4444-b30a-806419ea2a25">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-77db0696-94c2-4708-b59b-a66ccc9bf0ef">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-3b753ad2-08af-48d2-841f-e5ad9cf1a9fe"> <div class="highlight shell"> <table style="border-spacing: 
 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>In the same browing session &quot;akdj230fj8ass&quot;, the user with ID u0 buys an item i0 on time <code>2014-11-02T09:42:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send the following buy event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-e9af81e0-6048-4f2d-9237-9ef0c95cb6c4">REST API</a></li> <li data-lang="python"><a href="#tab-0b79d6e6-3177-4d70-87a0-7aca070ca2a2">Python SDK</a></li> <li data-lang="php"><a href="#tab-d6f95a11-9048-4048-9839-b5e316355d6c">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-412b61b3-7be2-4b59-9f16-5b8b061dc19e">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-91292f83-5175-4ce6-8397-51fa3f5dba42">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-e9af81e0-6048-4f2d-9237-9ef0c95cb6c4"> <div class="highlight shell"> <table style="border-spacing: 
 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -238,7 +238,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:42:00.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-bd8326c8-0875-453a-9460-2607abaa15f7"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-0b79d6e6-3177-4d70-87a0-7aca070ca2a2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -261,7 +261,7 @@ Your system is all ready to go.
     <span class="s">"sessionId"</span><span class="p">:</span> <span class="o">&lt;</span><span class="n">SESSION</span> <span class="n">ID</span><span class="o">&gt;</span><span class="p">,</span> <span class="c"># required</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-7debbb14-6332-40b6-b8a1-fa0556a67dfb"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-d6f95a11-9048-4048-9839-b5e316355d6c"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -288,7 +288,7 @@ Your system is all ready to go.
 <span class="p">));</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-d5ff4f10-b125-4444-b30a-806419ea2a25"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-412b61b3-7be2-4b59-9f16-5b8b061dc19e"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -311,7 +311,7 @@ Your system is all ready to go.
     <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-77db0696-94c2-4708-b59b-a66ccc9bf0ef"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-91292f83-5175-4ce6-8397-51fa3f5dba42"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -371,7 +371,7 @@ User u5 buys item i5
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve the results. When a user lands on your page &quot;example.com/page9&quot;, with referrer &quot;referrer10.com&quot; and browser &quot;Firefox&quot;, you can get the predicted lead score by sending this JSON &#39;{ &quot;landingPageId&quot; : &quot;example.com/page9&quot;, &quot;referrerId&quot; : &quot;referrer10.com&quot;, &quot;browser&quot;: &quot;Firefox&quot; }&#39; to the deployed engine. The engine will return a JSON with the score.</p><p>Simply send a query by making a HTTP request or through the <code>EngineClient
 </code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-e165c169-e1d8-4927-bd9e-51729e214194">REST API</a></li> <li data-lang="python"><a href="#tab-1bb28235-a32d-4516-957d-777abbdf1c5f">Python SDK</a></li> <li data-lang="php"><a href="#tab-bf2e65b5-4cb3-4417-b016-063aadf55ece">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-8824ab1e-ac9b-4cf0-b1ce-b633fcee0823">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-bf726f86-1169-4f91-a37e-e0bb9832a7bc">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-e165c169-e1d8-4927-bd9e-51729e214194"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve the results. When a user lands on your page &quot;example.com/page9&quot;, with referrer &quot;referrer10.com&quot; and browser &quot;Firefox&quot;, you can get the predicted lead score by sending this JSON &#39;{ &quot;landingPageId&quot; : &quot;example.com/page9&quot;, &quot;referrerId&quot; : &quot;referrer10.com&quot;, &quot;browser&quot;: &quot;Firefox&quot; }&#39; to the deployed engine. The engine will return a JSON with the score.</p><p>Simply send a query by making a HTTP request or through the <code>EngineClient
 </code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-a72e61ee-a374-4662-a9e8-593d6a5f7d49">REST API</a></li> <li data-lang="python"><a href="#tab-429da15b-34e9-4677-b605-47300bf21793">Python SDK</a></li> <li data-lang="php"><a href="#tab-446467fc-0244-4abb-a65a-8e7ea71a31f5">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-97e031b5-267a-4314-8b81-a3d4f065ab9e">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-c7a3b2e9-10a4-49eb-96da-c6f36bcfa524">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-a72e61ee-a374-4662-a9e8-593d6a5f7d49"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -384,7 +384,7 @@ User u5 buys item i5
   "browser": "Firefox" }'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-1bb28235-a32d-4516-957d-777abbdf1c5f"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-429da15b-34e9-4677-b605-47300bf21793"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -397,7 +397,7 @@ http://localhost:8000/queries.json
   <span class="s">"referrerId"</span> <span class="p">:</span> <span class="s">"referrer10.com"</span><span class="p">,</span>
   <span class="s">"browser"</span><span class="p">:</span> <span class="s">"Firefox"</span>
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-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-bf2e65b5-4cb3-4417-b016-063aadf55ece"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-446467fc-0244-4abb-a65a-8e7ea71a31f5"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -426,7 +426,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-8824ab1e-ac9b-4cf0-b1ce-b633fcee0823"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-97e031b5-267a-4314-8b81-a3d4f065ab9e"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -447,7 +447,7 @@ http://localhost:8000/queries.json
 <span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-bf726f86-1169-4f91-a37e-e0bb9832a7bc"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-c7a3b2e9-10a4-49eb-96da-c6f36bcfa524"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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[15/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f


Project: http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/commit/f6e7c2b4
Tree: http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/tree/f6e7c2b4
Diff: http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/diff/f6e7c2b4

Branch: refs/heads/asf-site
Commit: f6e7c2b480c9cde2164f65e9e90644adf990b937
Parents: c5d5281
Author: Donald Szeto <do...@apache.org>
Authored: Mon Oct 3 17:22:50 2016 +0000
Committer: Donald Szeto <do...@apache.org>
Committed: Mon Oct 3 17:22:50 2016 +0000

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@@ -7,7 +7,7 @@
 </span><span class="p">{</span><span class="s2">"event"</span><span class="p">:</span><span class="s2">"rate"</span><span class="p">,</span><span class="s2">"entityType"</span><span class="p">:</span><span class="s2">"user"</span><span class="p">,</span><span class="s2">"entityId"</span><span class="p">:</span><span class="s2">"3"</span><span class="p">,</span><span class="s2">"targetEntityType"</span><span class="p">:</span><span class="s2">"item"</span><span class="p">,</span><span class="s2">"targetEntityId"</span><span class="p">:</span><span class="s2">"2"</span><span class="p">,</span><span class="s2">"properties"</span><span class="p">:{</span><span class="s2">"rating"</span><span class="p">:</span><span class="mf">1.0</span><span class="p">},</span><span class="s2">"eventTime"</span><span class="p">:</span><span class="s2">"2014-11-21T01:04:14.729Z"</span><span class="p">}</span><span class="w">
 </span><span class="p">{</span><span class="s2">"event"</span><span class="p">:</span><span class="s2">"buy"</span><span class="p">,</span><span class="s2">"entityType"</span><span class="p">:</span><span class="s2">"user"</span><span class="p">,</span><span class="s2">"entityId"</span><span class="p">:</span><span class="s2">"3"</span><span class="p">,</span><span class="s2">"targetEntityType"</span><span class="p">:</span><span class="s2">"item"</span><span class="p">,</span><span class="s2">"targetEntityId"</span><span class="p">:</span><span class="s2">"7"</span><span class="p">,</span><span class="s2">"eventTime"</span><span class="p">:</span><span class="s2">"2014-11-21T01:04:14.735Z"</span><span class="p">}</span><span class="w">
 </span><span class="p">{</span><span class="s2">"event"</span><span class="p">:</span><span class="s2">"buy"</span><span class="p">,</span><span class="s2">"entityType"</span><span class="p">:</span><span class="s2">"user"</span><span class="p">,</span><span class="s2">"entityId"</span><span class="p">:</span><span class="s2">"3"</span><span class="p">,</span><span class="s2">"targetEntityType"</span><span class="p">:</span><span class="s2">"item"</span><span class="p">,</span><span class="s2">"targetEntityId"</span><span class="p">:</span><span class="s2">"8"</span><span class="p">,</span><span class="s2">"eventTime"</span><span class="p">:</span><span class="s2">"2014-11-21T01:04:14.741Z"</span><span class="p">}</span><span class="w">
-</span></pre></td></tr></tbody></table> </div> <div class="alert-message warning"><p>Please make sure your import file does not contain any empty lines. Empty lines will be treated as a null object and will return an error during import.</p></div><h2 id='use-sdk-to-prepare-batch-input-file' class='header-anchors'>Use SDK to Prepare Batch Input File</h2><p>Some of the Apache PredictionIO (incubating) SDKs also provides FileExporter client. You may use them to prepare the JSON file as described above. The FileExporter creates event in the same way as EventClient except that the events are written to a JSON file instead of being sent to EventSever. The written JSON file can then be used by batch import.</p><div class="tabs"> <ul class="control"> <li data-lang="php"><a href="#tab-1b129b7a-1748-4ae8-a03a-e2130526e7b8">PHP SDK</a></li> <li data-lang="python"><a href="#tab-0cd2068e-7c39-45eb-86ac-1793e0551553">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-8aeb7b26-4efc-47ac-a68e-7
 75f10d316e5">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-9b5b1096-c2ce-4574-9a17-5762d79b80e4">Java SDK</a></li> </ul> <div data-tab="PHP SDK" data-lang="php" id="tab-1b129b7a-1748-4ae8-a03a-e2130526e7b8"> (coming soon) </div> <div data-tab="Python SDK" data-lang="python" id="tab-0cd2068e-7c39-45eb-86ac-1793e0551553"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</span></pre></td></tr></tbody></table> </div> <div class="alert-message warning"><p>Please make sure your import file does not contain any empty lines. Empty lines will be treated as a null object and will return an error during import.</p></div><h2 id='use-sdk-to-prepare-batch-input-file' class='header-anchors'>Use SDK to Prepare Batch Input File</h2><p>Some of the Apache PredictionIO (incubating) SDKs also provides FileExporter client. You may use them to prepare the JSON file as described above. The FileExporter creates event in the same way as EventClient except that the events are written to a JSON file instead of being sent to EventSever. The written JSON file can then be used by batch import.</p><div class="tabs"> <ul class="control"> <li data-lang="php"><a href="#tab-3963d700-d7a0-47fb-8eb8-af982c7b2ea6">PHP SDK</a></li> <li data-lang="python"><a href="#tab-9f886eeb-457f-4f39-b6f2-218748b1d8ae">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-1c3043cc-169b-4321-b69e-c
 d5e6a63f00e">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-cef2285f-e3a4-46ba-89eb-08ef5bdf61f6">Java SDK</a></li> </ul> <div data-tab="PHP SDK" data-lang="php" id="tab-3963d700-d7a0-47fb-8eb8-af982c7b2ea6"> (coming soon) </div> <div data-tab="Python SDK" data-lang="python" id="tab-9f886eeb-457f-4f39-b6f2-218748b1d8ae"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
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@@ -58,7 +58,7 @@
 <span class="c"># close the FileExporter when finish writing all events</span>
 <span class="n">exporter</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-8aeb7b26-4efc-47ac-a68e-775f10d316e5"> (coming soon) </div> <div data-tab="Java SDK" data-lang="java" id="tab-9b5b1096-c2ce-4574-9a17-5762d79b80e4"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-1c3043cc-169b-4321-b69e-cd5e6a63f00e"> (coming soon) </div> <div data-tab="Java SDK" data-lang="java" id="tab-cef2285f-e3a4-46ba-89eb-08ef5bdf61f6"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
 </pre></td> </tr></tbody></table> </div> </div> </div> <h2 id='import-events-from-input-file' class='header-anchors'>Import Events from Input File</h2><p>Importing events from a file can be done easily using the command line interface. Assuming that <code>pio</code> be in your search path, your App ID be <code>123</code>, and the input file <code>my_events.json</code> be in your current working directory:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio import --appid 123 --input my_events.json
 </pre></td></tr></tbody></table> </div> <p>After a brief while, the tool should return to the console without any error. Congratulations! You have successfully imported your events.</p></div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//prediction
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@@ -12,7 +12,7 @@
 [INFO] [App$]     Channel Name: myChannel
 [INFO] [App$]       Channel ID: 2
 [INFO] [App$]           App ID: 5
-</span></pre></td></tr></tbody></table> </div> <p>Now &quot;myChannel&quot; is created and ready for collecting data.</p><h2 id='collect-data-through-channel' class='header-anchors'>Collect data through Channel</h2><p>The Event API support optional <code>channel</code> query parameter. This allows you to import and query events of the specified channel. When the <code>channel</code> parameter is not specified, the data is collected through the default channel.</p><p>URL: <code>http://localhost:7070/events.json?accessKey=yourAccessKeyString&amp;channel=yourChannelName</code></p><p>Query parameters:</p> <table><thead> <tr> <th style="text-align: left">Field</th> <th style="text-align: left">Type</th> <th style="text-align: left">Description</th> </tr> </thead><tbody> <tr> <td style="text-align: left"><code>accessKey</code></td> <td style="text-align: left">String</td> <td style="text-align: left">The Access Key for your App</td> </tr> <tr> <td style="text-align: left"><code>channel</c
 ode></td> <td style="text-align: left">String</td> <td style="text-align: left">The channel name (optional). Specify this to import data to this channel. <strong>NOTE: supported in PIO version &gt;= 0.9.2</strong> only. Channel must be created first.</td> </tr> </tbody></table> <p>For SDK usage, one EventClient should be responsible for collecting data of one specific channel. The channel name is specified when the EventClient object is instantiated.</p><p>For example, the following code import event to &quot;YOUR_CHANNEL&quot; of the corresponding App.</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-95e9bddb-b47d-4ac1-889d-38a0dc816cf4">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-1a307e55-3c43-4abd-b48d-ed6e7345a860">PHP SDK</a></li> <li data-lang="python"><a href="#tab-691aa02a-2de0-4149-b67d-f62f498496b2">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-f705d7d8-beb1-489e-af51-e9c10178f5ff">Ruby SDK</a></li> <li data-lang="java"><a href
 ="#tab-bbbba551-46d2-4726-8026-c0865d402827">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="bash" id="tab-95e9bddb-b47d-4ac1-889d-38a0dc816cf4"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</span></pre></td></tr></tbody></table> </div> <p>Now &quot;myChannel&quot; is created and ready for collecting data.</p><h2 id='collect-data-through-channel' class='header-anchors'>Collect data through Channel</h2><p>The Event API support optional <code>channel</code> query parameter. This allows you to import and query events of the specified channel. When the <code>channel</code> parameter is not specified, the data is collected through the default channel.</p><p>URL: <code>http://localhost:7070/events.json?accessKey=yourAccessKeyString&amp;channel=yourChannelName</code></p><p>Query parameters:</p> <table><thead> <tr> <th style="text-align: left">Field</th> <th style="text-align: left">Type</th> <th style="text-align: left">Description</th> </tr> </thead><tbody> <tr> <td style="text-align: left"><code>accessKey</code></td> <td style="text-align: left">String</td> <td style="text-align: left">The Access Key for your App</td> </tr> <tr> <td style="text-align: left"><code>channel</c
 ode></td> <td style="text-align: left">String</td> <td style="text-align: left">The channel name (optional). Specify this to import data to this channel. <strong>NOTE: supported in PIO version &gt;= 0.9.2</strong> only. Channel must be created first.</td> </tr> </tbody></table> <p>For SDK usage, one EventClient should be responsible for collecting data of one specific channel. The channel name is specified when the EventClient object is instantiated.</p><p>For example, the following code import event to &quot;YOUR_CHANNEL&quot; of the corresponding App.</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-aaa97d6f-47ae-4a51-8087-3d58a10a9748">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-8d0e74d1-a960-4e2b-87d5-37212128f9ad">PHP SDK</a></li> <li data-lang="python"><a href="#tab-a84f0e6f-98d1-4167-806d-4170ee135cbf">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-cf01a589-bc94-4b4f-83bd-ef5d4835ecf4">Ruby SDK</a></li> <li data-lang="java"><a href
 ="#tab-abf1a901-84e9-4979-b0c9-3120a9366d51">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="bash" id="tab-aaa97d6f-47ae-4a51-8087-3d58a10a9748"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -39,7 +39,7 @@
   },
   "eventTime" : "2004-12-13T21:39:45.618Z"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-1a307e55-3c43-4abd-b48d-ed6e7345a860"> (TODO: update me) </div> <div data-tab="Python SDK" data-lang="python" id="tab-691aa02a-2de0-4149-b67d-f62f498496b2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-8d0e74d1-a960-4e2b-87d5-37212128f9ad"> (TODO: update me) </div> <div data-tab="Python SDK" data-lang="python" id="tab-a84f0e6f-98d1-4167-806d-4170ee135cbf"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -80,7 +80,7 @@
     <span class="n">properties</span><span class="o">=</span><span class="n">event_properties</span><span class="p">,</span>
     <span class="n">event_time</span><span class="o">=</span><span class="n">datetime</span><span class="p">(</span><span class="mi">2014</span><span class="p">,</span> <span class="mi">12</span><span class="p">,</span> <span class="mi">13</span><span class="p">,</span> <span class="mi">21</span><span class="p">,</span> <span class="mi">38</span><span class="p">,</span> <span class="mi">45</span><span class="p">,</span> <span class="mi">618000</span><span class="p">,</span> <span class="n">pytz</span><span class="o">.</span><span class="n">utc</span><span class="p">))</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-f705d7d8-beb1-489e-af51-e9c10178f5ff"> (TODO: update me) </div> <div data-tab="Java SDK" data-lang="java" id="tab-bbbba551-46d2-4726-8026-c0865d402827"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-cf01a589-bc94-4b4f-83bd-ef5d4835ecf4"> (TODO: update me) </div> <div data-tab="Java SDK" data-lang="java" id="tab-abf1a901-84e9-4979-b0c9-3120a9366d51"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
 </pre></td> </tr></tbody></table> </div> </div> </div> <p>You can also follow the EventAPI <a href="/datacollection/eventapi/#debugging-recipes">debug receipts</a> to query the events of specific channel by adding the <code>channel</code> query parameter in the URL.</p><h2 id='delete-a-channel-(including-all-imported-data)' class='header-anchors'>Delete a Channel (including all imported data)</h2><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre>pio app channel-delete &lt;app name&gt; &lt;channel name&gt;
 </pre></td></tr></tbody></table> </div> <h2 id='delete-the-data-only-of-a-channel' class='header-anchors'>Delete the data-only of a Channel</h2><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre>pio app data-delete &lt;app name&gt; --channel &lt;channel name&gt;
 </pre></td></tr></tbody></table> </div> <h2 id='accessing-channel-data-in-engine' class='header-anchors'>Accessing Channel Data in Engine</h2><p>To acccess channel data, simply specify the channel name when use the PEventStore or LEventStore API. Data is read from from the default channel if channelName is not specified.</p><p>For example, read data from default channel:</p><div class="highlight scala"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1

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@@ -22,7 +22,7 @@ Content-Length: 18
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>         Name: MyTestApp
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>           ID: 6
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>   Access Key: WPgcXKd42FPQpZHVbVeMyqF4CQJUnXQmIMTHhX3ZUrSzvy1KXJjdFUrslifa9rnB
-</pre></td></tr></tbody></table> </div> <h3 id='creating-your-first-event' class='header-anchors'>Creating Your First Event</h3><p>You may connect to the Event Server with HTTP request or by using one of many <strong>Apache PredictionIO (incubating) SDKs</strong>.</p><p>For example, the following shows how one can create an event involving a single entity. Replace the value of <code>accessKey</code> by the <em>Access Key</em> generated for your App.</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-89f804fa-de23-480c-9094-aa0fc189da7a">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-2f724dde-eff0-42a5-a4df-cf252abaae5f">PHP SDK</a></li> <li data-lang="python"><a href="#tab-0d93b6f0-4bac-4286-b56f-2123000d5f10">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-f0188da4-7a62-40ca-aa17-a8bd86c3bc31">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-ddd14c0e-955f-46c9-b4de-90700cc7702e">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="b
 ash" id="tab-89f804fa-de23-480c-9094-aa0fc189da7a"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <h3 id='creating-your-first-event' class='header-anchors'>Creating Your First Event</h3><p>You may connect to the Event Server with HTTP request or by using one of many <strong>Apache PredictionIO (incubating) SDKs</strong>.</p><p>For example, the following shows how one can create an event involving a single entity. Replace the value of <code>accessKey</code> by the <em>Access Key</em> generated for your App.</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-dfe419e5-5ac8-4ab4-beff-5a397f9d9f06">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-647699b4-7e5b-4a96-a33f-c9347f33b587">PHP SDK</a></li> <li data-lang="python"><a href="#tab-240c9e1c-7c4c-4a71-9b4a-bc39519a6f4b">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-1cd16b26-d021-424e-8600-ad8235cf15d5">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-b3b84f54-ac00-4cba-8b5a-f15b03b97279">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="b
 ash" id="tab-dfe419e5-5ac8-4ab4-beff-5a397f9d9f06"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -53,7 +53,7 @@ Content-Length: 18
   }
   "eventTime" : "2004-12-13T21:39:45.618-07:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-2f724dde-eff0-42a5-a4df-cf252abaae5f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-647699b4-7e5b-4a96-a33f-c9347f33b587"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -94,7 +94,7 @@ Content-Length: 18
                         <span class="s1">'eventTime'</span> <span class="o">=&gt;</span> <span class="s1">'2004-12-13T21:39:45.618-07:00'</span>
                        <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-0d93b6f0-4bac-4286-b56f-2123000d5f10"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-240c9e1c-7c4c-4a71-9b4a-bc39519a6f4b"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -137,7 +137,7 @@ Content-Length: 18
     <span class="n">properties</span><span class="o">=</span><span class="n">first_event_properties</span><span class="p">,</span>
     <span class="n">event_time</span><span class="o">=</span><span class="n">first_event_time</span><span class="p">,</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-f0188da4-7a62-40ca-aa17-a8bd86c3bc31"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-1cd16b26-d021-424e-8600-ad8235cf15d5"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -158,8 +158,8 @@ Content-Length: 18
                                             <span class="s1">'prop4'</span> <span class="o">=&gt;</span> <span class="kp">true</span><span class="p">,</span>
                                             <span class="s1">'prop5'</span> <span class="o">=&gt;</span> <span class="sx">%w(a b c)</span><span class="p">,</span>
                                             <span class="s1">'prop6'</span> <span class="o">=&gt;</span> <span class="mi">4</span><span class="o">.</span><span class="mi">56</span> <span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-ddd14c0e-955f-46c9-b4de-90700cc7702e"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>For example, the following shows how one can create an event involving two entities (with <code>targetEntity</code>).</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-77e1c355-f90e-4206-95c1-d13049f92cb1">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-07f62995-4656-4f2e-857f-ef8de255ce89">PHP SDK</a></li> <li data-lang="python"><a href="#tab-8c10b8fb-472b-4b1d-a4b1-a0a483f4be2a">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-58ad9ece-7a28-4a59-ab32-b7c51e1be1fa">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-5dd1f27c-50f9-40f2-a8cd-23758fdfa007">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="bash" id="tab-77e1c355-f90e-4206-95c1-d13049f92cb1"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-b3b84f54-ac00-4cba-8b5a-f15b03b97279"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>For example, the following shows how one can create an event involving two entities (with <code>targetEntity</code>).</p><div class="tabs"> <ul class="control"> <li data-lang="bash"><a href="#tab-9258078a-d56a-4038-8512-a897f7666c7a">Raw HTTP</a></li> <li data-lang="php"><a href="#tab-df4dea78-c494-4f3c-854d-6ca0de9d5951">PHP SDK</a></li> <li data-lang="python"><a href="#tab-360dd93a-ac58-4ca8-beea-001a91ca8ce8">Python SDK</a></li> <li data-lang="ruby"><a href="#tab-8b100b54-9da7-4c36-b5a0-5195be577515">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-8788d759-0d4d-431f-bd3e-5ac9a4819fd5">Java SDK</a></li> </ul> <div data-tab="Raw HTTP" data-lang="bash" id="tab-9258078a-d56a-4038-8512-a897f7666c7a"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -186,7 +186,7 @@ Content-Length: 18
   },
   "eventTime" : "2004-12-13T21:39:45.618Z"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-07f62995-4656-4f2e-857f-ef8de255ce89"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-df4dea78-c494-4f3c-854d-6ca0de9d5951"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -221,7 +221,7 @@ Content-Length: 18
                         <span class="s1">'eventTime'</span> <span class="o">=&gt;</span> <span class="s1">'2004-12-13T21:39:45.618Z'</span>
                        <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-8c10b8fb-472b-4b1d-a4b1-a0a483f4be2a"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-360dd93a-ac58-4ca8-beea-001a91ca8ce8"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -246,7 +246,7 @@ Content-Length: 18
     <span class="n">target_entity_id</span><span class="o">=</span><span class="s">"iid"</span><span class="p">,</span>
     <span class="n">properties</span><span class="o">=</span><span class="n">second_event_properties</span><span class="p">,</span>
     <span class="n">event_time</span><span class="o">=</span><span class="n">datetime</span><span class="p">(</span><span class="mi">2014</span><span class="p">,</span> <span class="mi">12</span><span class="p">,</span> <span class="mi">13</span><span class="p">,</span> <span class="mi">21</span><span class="p">,</span> <span class="mi">38</span><span class="p">,</span> <span class="mi">45</span><span class="p">,</span> <span class="mi">618000</span><span class="p">,</span> <span class="n">pytz</span><span class="o">.</span><span class="n">utc</span><span class="p">))</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-58ad9ece-7a28-4a59-ab32-b7c51e1be1fa"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-8b100b54-9da7-4c36-b5a0-5195be577515"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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                           <span class="s1">'eventTime'</span> <span class="o">=&gt;</span> <span class="s1">'2004-12-13T21:39:45.618Z'</span><span class="p">,</span>
                           <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="p">{</span> <span class="s1">'someProperty'</span> <span class="o">=&gt;</span> <span class="s1">'value1'</span><span class="p">,</span>
                                             <span class="s1">'anotherProperty'</span> <span class="o">=&gt;</span> <span class="s1">'value2'</span> <span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-5dd1f27c-50f9-40f2-a8cd-23758fdfa007"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-8788d759-0d4d-431f-bd3e-5ac9a4819fd5"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td> <td class="code"><pre><span class="o">(</span><span class="n">coming</span> <span class="n">soon</span><span class="o">)</span>
 </pre></td> </tr></tbody></table> </div> </div> </div> <p>Sample response:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -12,24 +12,24 @@ Java HotSpot<span class="o">(</span>TM<span class="o">)</span> 64-Bit Server VM
 5</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nb">cd</span>
 <span class="gp">$ </span><span class="nb">pwd</span>
 /home/abc
-<span class="gp">$ </span>wget http://download.prediction.io/PredictionIO-0.9.6.tar.gz
-<span class="gp">$ </span>tar zxvf PredictionIO-0.9.6.tar.gz
-</pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>Download instructions above apply to previous non-Apache releases only. Once we have made an Apache release, new instructions will be provided.</p></div><h3 id='installing-dependencies' class='header-anchors'>Installing Dependencies</h3><p>Let us install dependencies inside a subdirectory of the Apache PredictionIO (incubating) installation. By following this convention, you can use PredictionIO&#39;s default configuration as is.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>mkdir PredictionIO-0.9.6/vendors
+<span class="gp">$ </span>wget http://download.prediction.io/PredictionIO-0.9.5.tar.gz
+<span class="gp">$ </span>tar zxvf PredictionIO-0.9.5.tar.gz
+</pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>Download instructions above apply to previous non-Apache releases only. Once we have made an Apache release, new instructions will be provided.</p></div><h3 id='installing-dependencies' class='header-anchors'>Installing Dependencies</h3><p>Let us install dependencies inside a subdirectory of the Apache PredictionIO (incubating) installation. By following this convention, you can use PredictionIO&#39;s default configuration as is.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>mkdir PredictionIO-0.9.5/vendors
 </pre></td></tr></tbody></table> </div> <h4 id='spark-setup' class='header-anchors'>Spark Setup</h4><p><a href="http://spark.apache.org">Apache Spark</a> is the default processing engine for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget http://d3kbcqa49mib13.cloudfront.net/spark-1.5.1-bin-hadoop2.6.tgz
-<span class="gp">$ </span>tar zxvfC spark-1.5.1-bin-hadoop2.6.tgz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Apache Spark to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>SPARK_HOME</code> variable to point to your own Apache Spark installation.</p></div><h4 id='elasticsearch-setup' class='header-anchors'>Elasticsearch Setup</h4><div class="alert-message warning"><p>You may skip this section if you are using PostgreSQL or MySQL.</p></div><p><a href="http://www.elasticsearch.org/">Elasticsearch</a> is the default metadata store for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<span class="gp">$ </span>tar zxvfC spark-1.5.1-bin-hadoop2.6.tgz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Apache Spark to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>SPARK_HOME</code> variable to point to your own Apache Spark installation.</p></div><h4 id='elasticsearch-setup' class='header-anchors'>Elasticsearch Setup</h4><div class="alert-message warning"><p>You may skip this section if you are using PostgreSQL or MySQL.</p></div><p><a href="http://www.elasticsearch.org/">Elasticsearch</a> is the default metadata store for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.4.4.tar.gz
-<span class="gp">$ </span>tar zxvfC elasticsearch-1.4.4.tar.gz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Elasticsearch to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME</code> variable to point to your own Elasticsearch installation.</p></div><div class="alert-message info"><p>If you are using a shared network, change the <code>network.host</code> line in <code>PredictionIO-0.9.6/vendors/elasticsearch-1.4.4/config/elasticsearch.yml</code> to <code>network.host: 127.0.0.1</code> because by default, Elasticsearch looks for other machines on the network upon setup and you may run into weird errors if there are other machines that is also running Elasticsearch.</p></div><p>If you are not using the default setting at <code>localhost</code>, you may change the following in <code>PredictionIO-0.9.6/conf/pio-env.sh</code> to fit your setup.</p><div class="highlight shell"><table style="border-spacing: 0"
 ><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<span class="gp">$ </span>tar zxvfC elasticsearch-1.4.4.tar.gz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install Elasticsearch to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME</code> variable to point to your own Elasticsearch installation.</p></div><div class="alert-message info"><p>If you are using a shared network, change the <code>network.host</code> line in <code>PredictionIO-0.9.5/vendors/elasticsearch-1.4.4/config/elasticsearch.yml</code> to <code>network.host: 127.0.0.1</code> because by default, Elasticsearch looks for other machines on the network upon setup and you may run into weird errors if there are other machines that is also running Elasticsearch.</p></div><p>If you are not using the default setting at <code>localhost</code>, you may change the following in <code>PredictionIO-0.9.5/conf/pio-env.sh</code> to fit your setup.</p><div class="highlight shell"><table style="border-spacing: 0"
 ><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td><td class="code"><pre><span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE</span><span class="o">=</span>elasticsearch
 <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_HOSTS</span><span class="o">=</span>localhost
 <span class="nv">PIO_STORAGE_SOURCES_ELASTICSEARCH_PORTS</span><span class="o">=</span>9300
 </pre></td></tr></tbody></table> </div> <h4 id='hbase-setup<a-class="anchor"-name="hbase">&nbsp;</a>' class='header-anchors' >HBase Setup<a class="anchor" name="hbase">&nbsp;</a></h4><div class="alert-message warning"><p>You may skip this section if you are using PostgreSQL or MySQL.</p></div><p><a href="http://hbase.apache.org">HBase</a> is the default event data store for PredictionIO. Download and extract it.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="gp">$ </span>wget http://archive.apache.org/dist/hbase/hbase-1.0.0/hbase-1.0.0-bin.tar.gz
-<span class="gp">$ </span>tar zxvfC hbase-1.0.0-bin.tar.gz PredictionIO-0.9.6/vendors
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install HBase to another location, you must edit <code>PredictionIO-0.9.6/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_HBASE_HOME</code> variable to point to your own HBase installation.</p></div><p>You will need to at least add a minimal configuration to HBase to start it in standalone mode. Details can be found <a href="http://hbase.apache.org/book/quickstart.html">here</a>. Here, we are showing a sample minimal configuration.</p><div class="alert-message info"><p>For production deployment, run a fully distributed HBase configuration.</p></div><p>Edit <code>PredictionIO-0.9.6/vendors/hbase-1.0.0/conf/hbase-site.xml</code>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+<span class="gp">$ </span>tar zxvfC hbase-1.0.0-bin.tar.gz PredictionIO-0.9.5/vendors
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>If you decide to install HBase to another location, you must edit <code>PredictionIO-0.9.5/conf/pio-env.sh</code> and change the <code>PIO_STORAGE_SOURCES_HBASE_HOME</code> variable to point to your own HBase installation.</p></div><p>You will need to at least add a minimal configuration to HBase to start it in standalone mode. Details can be found <a href="http://hbase.apache.org/book/quickstart.html">here</a>. Here, we are showing a sample minimal configuration.</p><div class="alert-message info"><p>For production deployment, run a fully distributed HBase configuration.</p></div><p>Edit <code>PredictionIO-0.9.5/vendors/hbase-1.0.0/conf/hbase-site.xml</code>.</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -41,26 +41,26 @@ Java HotSpot<span class="o">(</span>TM<span class="o">)</span> 64-Bit Server VM
 10</pre></td><td class="code"><pre>&lt;configuration&gt;
   &lt;property&gt;
     &lt;name&gt;hbase.rootdir&lt;/name&gt;
-    &lt;value&gt;file:///home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/data&lt;/value&gt;
+    &lt;value&gt;file:///home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/data&lt;/value&gt;
   &lt;/property&gt;
   &lt;property&gt;
     &lt;name&gt;hbase.zookeeper.property.dataDir&lt;/name&gt;
-    &lt;value&gt;/home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/zookeeper&lt;/value&gt;
+    &lt;value&gt;/home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/zookeeper&lt;/value&gt;
   &lt;/property&gt;
 &lt;/configuration&gt;
-</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>HBase will create <code>hbase.rootdir</code> automatically to store its data.</p></div><p>Edit <code>PredictionIO-0.9.6/vendors/hbase-1.0.0/conf/hbase-env.sh</code> to set <code>JAVA_HOME</code> for the cluster. For example:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle/jre
+</pre></td></tr></tbody></table> </div> <div class="alert-message info"><p>HBase will create <code>hbase.rootdir</code> automatically to store its data.</p></div><p>Edit <code>PredictionIO-0.9.5/vendors/hbase-1.0.0/conf/hbase-env.sh</code> to set <code>JAVA_HOME</code> for the cluster. For example:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle/jre
 </pre></td></tr></tbody></table> </div> <p>For Mac users, use this instead (change <code>1.8</code> to <code>1.7</code> if you have Java 7 installed):</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span><span class="sb">`</span>/usr/libexec/java_home -v 1.8<span class="sb">`</span>
 </pre></td></tr></tbody></table> </div> <p>In addition, you must set your environment variable <code>JAVA_HOME</code>. For example, in <code>/home/abc/.bashrc</code> add the following line:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="nb">export </span><span class="nv">JAVA_HOME</span><span class="o">=</span>/usr/lib/jvm/java-8-oracle
-</pre></td></tr></tbody></table> </div> <h3 id='start-predictionio-and-dependent-services' class='header-anchors'>Start PredictionIO and Dependent Services</h3><div class="alert-message warning"><p>If you are using PostgreSQL or MySQL, skip <code>pio-start-all</code> and <code>pio-stop-all</code>, and do <code>PredictionIO-0.9.6/bin/pio eventserver &amp;</code> instead.</p></div><p>Simply do <code>PredictionIO-0.9.6/bin/pio-start-all</code> and you should see something similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <h3 id='start-predictionio-and-dependent-services' class='header-anchors'>Start PredictionIO and Dependent Services</h3><div class="alert-message warning"><p>If you are using PostgreSQL or MySQL, skip <code>pio-start-all</code> and <code>pio-stop-all</code>, and do <code>PredictionIO-0.9.5/bin/pio eventserver &amp;</code> instead.</p></div><p>Simply do <code>PredictionIO-0.9.5/bin/pio-start-all</code> and you should see something similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
 5
 6
-7</pre></td><td class="code"><pre><span class="gp">$ </span>PredictionIO-0.9.6/bin/pio-start-all
+7</pre></td><td class="code"><pre><span class="gp">$ </span>PredictionIO-0.9.5/bin/pio-start-all
 Starting Elasticsearch...
 Starting HBase...
-starting master, logging to /home/abc/PredictionIO-0.9.6/vendors/hbase-1.0.0/bin/../logs/hbase-abc-master-yourhost.local.out
+starting master, logging to /home/abc/PredictionIO-0.9.5/vendors/hbase-1.0.0/bin/../logs/hbase-abc-master-yourhost.local.out
 Waiting 10 seconds <span class="k">for </span>HBase to fully initialize...
 Starting PredictionIO Event Server...
 <span class="err">$</span>
@@ -75,7 +75,7 @@ Starting PredictionIO Event Server...
 15256 org.elasticsearch.bootstrap.Elasticsearch
 15469 sun.tools.jps.Jps
 <span class="err">$</span>
-</pre></td></tr></tbody></table> </div> <p>A running setup will have these up and running:</p> <ul> <li>org.apache.predictionio.tools.console.Console</li> <li>org.apache.hadoop.hbase.master.HMaster</li> <li>org.elasticsearch.bootstrap.Elasticsearch</li> </ul> <p>At any time, you can run <code>PredictionIO-0.9.6/bin/pio status</code> to check the status of the dependencies.</p><p>Now you have installed everything you need!</p><p>You can proceed to <a href="/start/download">Choosing an Engine Template</a>, or continue the QuickStart guide of the Engine template if you have already chosen one.</p> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-pre
 dictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//predictionio.incubator.apache.org/community/contribute-code/" target="blank">Contribute</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">Source Code</a></li><li><a href="//issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a href="mailto:dev-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to Development Mailing List</a></li></ul></div></div></div></div><div id="footer-bottom"><div class="container"><div class="row"><div class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" src="/images/logo
 s/logo-white-d1e9c6e6.png"/></div><div id="social-icons-wrapper"><a class="github-button" href="https://github.com/apache/incubator-predictionio" data-style="mega" data-count-href="/apache/incubator-predictionio/stargazers" data-count-api="/repos/apache/incubator-predictionio#stargazers_count" data-count-aria-label="# stargazers on GitHub" aria-label="Star apache/incubator-predictionio on GitHub">Star</a> <a class="github-button" href="https://github.com/apache/incubator-predictionio/fork" data-icon="octicon-git-branch" data-style="mega" data-count-href="/apache/incubator-predictionio/network" data-count-api="/repos/apache/incubator-predictionio#forks_count" data-count-aria-label="# forks on GitHub" aria-label="Fork apache/incubator-predictionio on GitHub">Fork</a> <script id="github-bjs" async="" defer="" src="https://buttons.github.io/buttons.js"></script><a href="//www.facebook.com/predictionio" target="blank"><img alt="PredictionIO on Twitter" src="/images/icons/twitter-ea9dc152
 .png"/></a> <a href="//twitter.com/predictionio" target="blank"><img alt="PredictionIO on Facebook" src="/images/icons/facebook-5c57939c.png"/></a> </div></div></div></div></div></footer></div><script>(function(w,d,t,u,n,s,e){w['SwiftypeObject']=n;w[n]=w[n]||function(){
+</pre></td></tr></tbody></table> </div> <p>A running setup will have these up and running:</p> <ul> <li>org.apache.predictionio.tools.console.Console</li> <li>org.apache.hadoop.hbase.master.HMaster</li> <li>org.elasticsearch.bootstrap.Elasticsearch</li> </ul> <p>At any time, you can run <code>PredictionIO-0.9.5/bin/pio status</code> to check the status of the dependencies.</p><p>Now you have installed everything you need!</p><p>You can proceed to <a href="/start/download">Choosing an Engine Template</a>, or continue the QuickStart guide of the Engine template if you have already chosen one.</p> </div></div></div></div><footer><div class="container"><div class="seperator"></div><div class="row"><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Community</h4><ul><li><a href="//docs.prediction.io/install/" target="blank">Download</a></li><li><a href="//docs.prediction.io/" target="blank">Docs</a></li><li><a href="//github.com/apache/incubator-pre
 dictionio" target="blank">GitHub</a></li><li><a href="mailto:user-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to User Mailing List</a></li><li><a href="//stackoverflow.com/questions/tagged/predictionio" target="blank">Stackoverflow</a></li></ul></div></div><div class="col-md-6 col-xs-6 footer-link-column"><div class="footer-link-column-row"><h4>Contribute</h4><ul><li><a href="//predictionio.incubator.apache.org/community/contribute-code/" target="blank">Contribute</a></li><li><a href="//github.com/apache/incubator-predictionio" target="blank">Source Code</a></li><li><a href="//issues.apache.org/jira/browse/PIO" target="blank">Bug Tracker</a></li><li><a href="mailto:dev-subscribe@predictionio.incubator.apache.org" target="blank">Subscribe to Development Mailing List</a></li></ul></div></div></div></div><div id="footer-bottom"><div class="container"><div class="row"><div class="col-md-12"><div id="footer-logo-wrapper"><img alt="PredictionIO" src="/images/logo
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-<!DOCTYPE html><html><head><title>Quick Start - E-Commerce Recommendation Engine Template (Java)</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - E-Commerce Recommendation Engine Template (Java)"/><link rel="canonical" href="https://docs.prediction.io/templates/javaecommercerecommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudf
 lare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="contai
 ner-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - E-Commerce Recommendation Engine Template (Java)</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-tog
 gler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Cu
 stomizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span>
 </a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></
 li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Usin
 g Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</
 span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li cla
 ss="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</
 span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template (Java)</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <l
 i> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#setting-constraint-unavailableitems">Setting constraint "unavailableItems"</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/javaecommercerecommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.p
 ng"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template (Java)</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template provides personalized recommendation for e-commerce applications with the following features by default:</p> <ul> <li>Exclude out-of-stock items</li> <li>Provide recommendation to new users who sign up after the model is trained</li> <li>Recommend unseen items only (configurable)</li> <li>Recommend popular items if no information about the user is available</li> </ul> <div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.3</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server:</p> <ul> <li>Users&#39; <em>view</em> 
 events</li> <li>Users&#39; <em>buy</em> events</li> <li>Items with <em>categories</em> properties</li> <li>Constraint <em>unavailableItems</em> set events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>rate</em> and <em>like</em>.</p></div><p>The <em>view</em> events are used as Training Data to train the model. The algorithm has a parameter <em>unseenOnly</em>; when this parameter is set to true, the engine would recommend unseen items only. You can specify a list of events which are considered as <em>seen</em> events with the algorithm parameter <em>seenItemEvents</em>. The default values are <em>view</em> and <em>buy</em> events, which means that the engine by default recommends un-viewed and un-bought items only. You can also define your own events which are considered as <em>seen</em>.</p><p>The constraint <em>unavailableItems</em> set events are used to exclude a list of unavailable items (such as o
 ut of stock) for all users in real time.</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>User entity ID</li> <li>Number of items to be recommended</li> <li>List of whitelisted item categories (optional)</li> <li>List of whitelisted item entity IDs (optional)</li> <li>List of blacklisted item entity IDs (optional)</li> </ul> <p>This template also supports blacklist and whitelist. If a whitelist is provided, the engine will include only those products in the recommendation. Likewise, if a blacklist is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>A ranked list of recommended item entity IDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed Pred
 ictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - E-Commerce Recommendation Engine Template (Java)</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - E-Commerce Recommendation Engine Template (Java)"/><link rel="canonical" href="https://docs.prediction.io/templates/javaecommercerecommendation/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudf
 lare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="contai
 ner-fluid" id="search-bar-row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - E-Commerce Recommendation Engine Template (Java)</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-tog
 gler hidden-md hidden-lg"></div></div></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Cu
 stomizing the Engine</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span>
 </a></li><li class="level-2"><a class="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></
 li><li class="level-1"><a class="expandible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Usin
 g Analytics Tools</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</
 span></a></li><li class="level-2"><a class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li cla
 ss="level-2"><a class="final" href="/demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</
 span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template (Java)</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <l
 i> <a href="#overview">Overview</a> </li> <li> <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> <li> <a href="#setting-constraint-unavailableitems">Setting constraint "unavailableItems"</a> </li> <li> <a href="#advanced-query">Advanced Query</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/javaecommercerecommendation/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.p
 ng"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - E-Commerce Recommendation Engine Template (Java)</h1></div></div><div class="content"><h2 id='overview' class='header-anchors'>Overview</h2><p>This engine template provides personalized recommendation for e-commerce applications with the following features by default:</p> <ul> <li>Exclude out-of-stock items</li> <li>Provide recommendation to new users who sign up after the model is trained</li> <li>Recommend unseen items only (configurable)</li> <li>Recommend popular items if no information about the user is available</li> </ul> <div class="alert-message warning"><p>This template requires PredictionIO version &gt;= 0.9.3</p></div><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, this template takes the following data from Event Server:</p> <ul> <li>Users&#39; <em>view</em> 
 events</li> <li>Users&#39; <em>buy</em> events</li> <li>Items with <em>categories</em> properties</li> <li>Constraint <em>unavailableItems</em> set events</li> </ul> <div class="alert-message info"><p>This template can easily be customized to consider more user events such as <em>rate</em> and <em>like</em>.</p></div><p>The <em>view</em> events are used as Training Data to train the model. The algorithm has a parameter <em>unseenOnly</em>; when this parameter is set to true, the engine would recommend unseen items only. You can specify a list of events which are considered as <em>seen</em> events with the algorithm parameter <em>seenItemEvents</em>. The default values are <em>view</em> and <em>buy</em> events, which means that the engine by default recommends un-viewed and un-bought items only. You can also define your own events which are considered as <em>seen</em>.</p><p>The constraint <em>unavailableItems</em> set events are used to exclude a list of unavailable items (such as o
 ut of stock) for all users in real time.</p><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>User entity ID</li> <li>Number of items to be recommended</li> <li>List of whitelisted item categories (optional)</li> <li>List of whitelisted item entity IDs (optional)</li> <li>List of blacklisted item entity IDs (optional)</li> </ul> <p>This template also supports blacklist and whitelist. If a whitelist is provided, the engine will include only those products in the recommendation. Likewise, if a blacklist is provided, the engine will exclude those products in the recommendation.</p><h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>A ranked list of recommended item entity IDs</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed Pred
 ictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, the E-Commerce Recommendation Engine Template supports 2 types of entities and 2 events: <strong>user</strong> and <strong>item</strong>; events <strong>view</strong> and <strong>buy</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view and buy an item. The specical <strong>constraint</strong> entiy with entityId <strong>unavailableItems</strong> defines a list of unavailable items and is taken into account in realtime during serving.</p><p>In summary, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item events, user-buy-item event and &#39;$set&#39; constraint event.</p><div class="alert-message info"><p>This template can easily be customized to consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-a435ef40-acff-4bf7-8c9c-109900c9dce8">REST API</a></li> <li data-lang="python"><a href="#tab-114ccdcb-e09f-4bec-add4-94fc0d7f85d7">Python SDK</a></li> <li data-lang="php"><a href="#tab-aa1b5ddc-d076-46bf-97d9-eb32abd72fb5">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-d158d32c-944a-404d-895a-665533efb581">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-b34256bc-484c-4b79-a2d9-c485978c66e5">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-a435ef40-acff-4bf7-8c9c-109900c9dce8"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, the E-Commerce Recommendation Engine Template supports 2 types of entities and 2 events: <strong>user</strong> and <strong>item</strong>; events <strong>view</strong> and <strong>buy</strong>. An item has the <strong>categories</strong> property, which is a list of category names (String). A user can view and buy an item. The specical <strong>constraint</strong> entiy with entityId <strong>unavailableItems</strong> defines a list of unavailable items and is taken into account in realtime during serving.</p><p>In summary, this template requires &#39;$set&#39; user event, &#39;$set&#39; item event, user-view-item events, user-buy-item event and &#39;$set&#39; constraint event.</p><div class="alert-message info"><p>This template can easily be customized to consider other user-to-it
 em events.</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>For example, when a new user with id &quot;u0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for this user. To send this e
 vent, run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-a7ae8b06-6483-4c82-bbb8-50d3f2405c46">REST API</a></li> <li data-lang="python"><a href="#tab-cb88dad9-0d03-4039-ae94-32abc8044c62">Python SDK</a></li> <li data-lang="php"><a href="#tab-c16bf6d2-8a36-4bcb-8ab2-4114736d1ce2">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-3a5bd17f-a10e-4c72-bf4d-cf4f29fd2cfa">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-8a99cfd5-804b-41ae-bfd2-9b22034402ca">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-a7ae8b06-6483-4c82-bbb8-50d3f2405c46"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -47,7 +47,7 @@ Your system is all ready to go.
   "entityId" : "u0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-114ccdcb-e09f-4bec-add4-94fc0d7f85d7"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-cb88dad9-0d03-4039-ae94-32abc8044c62"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -78,7 +78,7 @@ Your system is all ready to go.
   <span class="n">entity_type</span><span class="o">=</span><span class="s">"user"</span><span class="p">,</span>
   <span class="n">entity_id</span><span class="o">=&lt;</span><span class="n">USER_ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-aa1b5ddc-d076-46bf-97d9-eb32abd72fb5"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c16bf6d2-8a36-4bcb-8ab2-4114736d1ce2"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -119,7 +119,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'categories'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-d158d32c-944a-404d-895a-665533efb581"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-3a5bd17f-a10e-4c72-bf4d-cf4f29fd2cfa"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4
@@ -136,7 +136,7 @@ Your system is all ready to go.
   <span class="s1">'user'</span><span class="p">,</span>
   <span class="o">&lt;</span><span class="no">USER</span> <span class="no">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-b34256bc-484c-4b79-a2d9-c485978c66e5"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-8a99cfd5-804b-41ae-bfd2-9b22034402ca"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -161,7 +161,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityType</span><span class="o">(</span><span class="s">"user"</span><span class="o">)</span>
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">USER_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">userEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-5f082c5e-4960-496b-91d0-1e80a689b58c">REST API</a></li> <li data-lang="python"><a href="#tab-622a10b4-bb81-426d-8e1b-25c0ad30bb19">Python SDK</a></li> <li data-lang="php"><a href="#tab-146ba798-b15c-4966-bc05-f9aaa3582cec">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c35d5af8-fc87-40c5-8e6a-46e86a49e8c7">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-7a5875f2-f43b-4baf-b6c5-3bb9c1fe541a">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-5f082c
 5e-4960-496b-91d0-1e80a689b58c"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When a new item &quot;i0&quot; is created in your app on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a <code>$set</code> event for the item. Note that the item is set with categories properties: <code>&quot;c1&quot;</code> and <code>&quot;c2&quot;</code>. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-370baa9b-7b78-4625-a120-d63f6fab9999">REST API</a></li> <li data-lang="python"><a href="#tab-f7f6139f-73f2-47a0-8285-f639afef3421">Python SDK</a></li> <li data-lang="php"><a href="#tab-2ec96454-14c4-47f0-ada2-d521b9212516">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-3c0b6629-6945-4cb8-bf52-0d5de0f09b17">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-a5f0e1bd-afe8-4449-81eb-49e477cea4c6">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-370baa
 9b-7b78-4625-a120-d63f6fab9999"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -182,7 +182,7 @@ Your system is all ready to go.
   }
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-622a10b4-bb81-426d-8e1b-25c0ad30bb19"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-f7f6139f-73f2-47a0-8285-f639afef3421"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -201,7 +201,7 @@ Your system is all ready to go.
     <span class="s">"categories"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="p">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-146ba798-b15c-4966-bc05-f9aaa3582cec"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-2ec96454-14c4-47f0-ada2-d521b9212516"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -218,7 +218,7 @@ Your system is all ready to go.
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'categories'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;CATEGORY_1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;CATEGORY_2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c35d5af8-fc87-40c5-8e6a-46e86a49e8c7"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-3c0b6629-6945-4cb8-bf52-0d5de0f09b17"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -235,7 +235,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-7a5875f2-f43b-4baf-b6c5-3bb9c1fe541a"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-a5f0e1bd-afe8-4449-81eb-49e477cea4c6"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -248,7 +248,7 @@ Your system is all ready to go.
   <span class="o">.</span><span class="na">entityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;)</span>
   <span class="o">.</span><span class="na">property</span><span class="o">(</span><span class="s">"categories"</span><span class="o">,</span> <span class="n">ImmutableList</span><span class="o">.</span><span class="na">of</span><span class="o">(</span><span class="s">"&lt;CATEGORY_1&gt;"</span><span class="o">,</span> <span class="s">"&lt;CATEGORY_2&gt;"</span><span class="o">));</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">itemEvent</span><span class="o">)</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of the <code>user</code> and <code>item</code> can be set, unset, or delete by special events <strong>$set</strong>, <strong>$unset</strong> and <strong>$delete</strong>. Please refer to <a href="/datacollection/eventapi/#note-about-properties">Event API</a> for more details of using these events.</p><p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-d538adc1-adbf-414e-bd36-7b4b7f019734">REST API</a></li> <li data-lang="python"><a href="#tab-2eac49b8-c35c-411f-810a-2e0a7637795f">Python SDK</a></li> <li data-lang="php"><a href="#tab-2b0cd5d7-de7c-4194-9ba0-f899b8d45dd1">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-ab0a4396-6846-4ae6-bb6c-de082e
 0734ac">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-af5d03ed-4a8e-487e-887a-b1079882cc0f">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-d538adc1-adbf-414e-bd36-7b4b7f019734"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>The properties of the <code>user</code> and <code>item</code> can be set, unset, or delete by special events <strong>$set</strong>, <strong>$unset</strong> and <strong>$delete</strong>. Please refer to <a href="/datacollection/eventapi/#note-about-properties">Event API</a> for more details of using these events.</p><p>When the user &quot;u0&quot; view item &quot;i0&quot; on time <code>2014-11-10T12:34:56.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-df473f3d-9eee-4d99-a32a-8141551302a6">REST API</a></li> <li data-lang="python"><a href="#tab-f1a4f7aa-0c7b-43ac-9e91-88adb96062f2">Python SDK</a></li> <li data-lang="php"><a href="#tab-30fd2823-8bff-4d1a-8416-c9eabf18e9c9">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-39c4e945-27c3-427d-9627-db872b
 2682ba">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-450d79e9-4566-4625-a00d-97e212e4fa81">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-df473f3d-9eee-4d99-a32a-8141551302a6"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -267,7 +267,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T12:34:56.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-2eac49b8-c35c-411f-810a-2e0a7637795f"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-f1a4f7aa-0c7b-43ac-9e91-88adb96062f2"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -284,7 +284,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-2b0cd5d7-de7c-4194-9ba0-f899b8d45dd1"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-30fd2823-8bff-4d1a-8416-c9eabf18e9c9"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -303,7 +303,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-ab0a4396-6846-4ae6-bb6c-de082e0734ac"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-39c4e945-27c3-427d-9627-db872b2682ba"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -322,7 +322,7 @@ Your system is all ready to go.
   <span class="p">}</span>
 <span class="p">)</span>
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-af5d03ed-4a8e-487e-887a-b1079882cc0f"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-450d79e9-4566-4625-a00d-97e212e4fa81"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -337,7 +337,7 @@ Your system is all ready to go.
     <span class="o">.</span><span class="na">targetEntityType</span><span class="o">(</span><span class="s">"item"</span><span class="o">)</span>
     <span class="o">.</span><span class="na">targetEntityId</span><span class="o">(&lt;</span><span class="n">ITEM_ID</span><span class="o">&gt;);</span>
 <span class="n">client</span><span class="o">.</span><span class="na">createEvent</span><span class="o">(</span><span class="n">viewEvent</span><span class="o">);</span>
-</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; buy item &quot;i0&quot; on time <code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-d76f9868-d261-4962-ab22-c50b0027051d">REST API</a></li> <li data-lang="python"><a href="#tab-7836d2b2-db3f-4c54-a6b0-ab6d5a3264f7">Python SDK</a></li> <li data-lang="php"><a href="#tab-8927fd2b-ffb0-464c-bde7-76d8ed8bceae">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-c3cbc05c-e74b-478d-955b-7414eba56762">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-96ade27c-a934-4d1a-aecf-3bf3aa0d640c">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-d76f9868-d261-4962-ab22-c50b0027051d"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> </div> <p>When the user &quot;u0&quot; buy item &quot;i0&quot; on time <code>2014-11-10T13:00:00.123-08:00</code> (current time will be used if eventTime is not specified), you can send a view event. Run the following <code>curl</code> command:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-b384c35c-df16-4f62-8def-5d684d26af08">REST API</a></li> <li data-lang="python"><a href="#tab-882c7850-5908-41bb-827f-7c0f659eee33">Python SDK</a></li> <li data-lang="php"><a href="#tab-c4869821-54ca-476b-9506-9f2a591cea7f">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-def03371-72d4-4b76-a138-42ab26b01e7a">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-c167d460-cead-41ec-895b-df17ac3d3b53">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-b384c35c-df16-4f62-8def-5d684d26af08"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-
 align: right"><pre class="lineno">1
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@@ -356,7 +356,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-10T13:00:00.123-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-7836d2b2-db3f-4c54-a6b0-ab6d5a3264f7"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-882c7850-5908-41bb-827f-7c0f659eee33"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -373,7 +373,7 @@ Your system is all ready to go.
   <span class="n">target_entity_type</span><span class="o">=</span><span class="s">"item"</span><span class="p">,</span>
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-8927fd2b-ffb0-464c-bde7-76d8ed8bceae"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c4869821-54ca-476b-9506-9f2a591cea7f"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -392,7 +392,7 @@ Your system is all ready to go.
    <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="nx">ITEM</span> <span class="nx">ID</span><span class="o">&gt;</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-c3cbc05c-e74b-478d-955b-7414eba56762"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-def03371-72d4-4b76-a138-42ab26b01e7a"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -409,7 +409,7 @@ Your system is all ready to go.
     <span class="s1">'targetEntityId'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">ITEM</span> <span class="no">ID</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-96ade27c-a934-4d1a-aecf-3bf3aa0d640c"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-c167d460-cead-41ec-895b-df17ac3d3b53"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -490,19 +490,19 @@ User u10 buys item i40
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON <code>{ &quot;userEntityId&quot;: &quot;u1&quot;, &quot;number&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li da
 ta-lang="json"><a href="#tab-7d778d16-5d1c-47d4-abbe-d0ee17507958">REST API</a></li> <li data-lang="python"><a href="#tab-5264737d-8716-46c0-899f-76b00e09320a">Python SDK</a></li> <li data-lang="php"><a href="#tab-dad65b3c-a935-4616-8915-556d158a3245">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-077cb86d-6b77-4ae6-ad27-a2fc565d323c">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-f39e5f9a-3296-4b9d-9aed-16ffb0cc1bd5">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-7d778d16-5d1c-47d4-abbe-d0ee17507958"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can retrieve predicted results. To recommend 4 items to user ID &quot;u1&quot;. You send this JSON <code>{ &quot;userEntityId&quot;: &quot;u1&quot;, &quot;number&quot;: 4 }</code> to the deployed engine and it will return a JSON of the recommended items. Simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li da
 ta-lang="json"><a href="#tab-10a5b1de-581f-4dfe-be69-569b0acb8781">REST API</a></li> <li data-lang="python"><a href="#tab-3204414a-2afe-4208-961e-09490a7751c7">Python SDK</a></li> <li data-lang="php"><a href="#tab-1515bc5c-e451-444f-80c4-28cf82839016">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-e266ad7d-c539-4613-9a18-3705dde51733">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-48cd6e41-2e14-4e20-b75e-031b2c5e763c">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-10a5b1de-581f-4dfe-be69-569b0acb8781"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
 4</pre></td> <td class="code"><pre><span class="gp">$ </span>curl -H <span class="s2">"Content-Type: application/json"</span> <span class="se">\</span>
 -d <span class="s1">'{ "userEntityId": "u1", "number": 4 }'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-5264737d-8716-46c0-899f-76b00e09320a"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-3204414a-2afe-4208-961e-09490a7751c7"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3</pre></td> <td class="code"><pre><span class="kn">import</span> <span class="nn">predictionio</span>
 <span class="n">engine_client</span> <span class="o">=</span> <span class="n">predictionio</span><span class="o">.</span><span class="n">EngineClient</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="s">"http://localhost:8000"</span><span class="p">)</span>
 <span class="k">print</span> <span class="n">engine_client</span><span class="o">.</span><span class="n">send_query</span><span class="p">({</span><span class="s">"userEntityId"</span><span class="p">:</span> <span class="s">"u1"</span><span class="p">,</span> <span class="s">"number"</span><span class="p">:</span> <span class="mi">4</span><span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-dad65b3c-a935-4616-8915-556d158a3245"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-1515bc5c-e451-444f-80c4-28cf82839016"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -521,7 +521,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-077cb86d-6b77-4ae6-ad27-a2fc565d323c"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-e266ad7d-c539-4613-9a18-3705dde51733"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
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@@ -534,7 +534,7 @@ http://localhost:8000/queries.json
 <span class="n">response</span> <span class="o">=</span> <span class="n">client</span><span class="p">.</span><span class="nf">send_query</span><span class="p">(</span><span class="s1">'userEntityId'</span> <span class="o">=&gt;</span> <span class="s1">'i1'</span><span class="p">,</span> <span class="s1">'number'</span> <span class="o">=&gt;</span> <span class="mi">4</span><span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-f39e5f9a-3296-4b9d-9aed-16ffb0cc1bd5"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-48cd6e41-2e14-4e20-b75e-031b2c5e763c"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -578,7 +578,7 @@ http://localhost:8000/queries.json
     <span class="o">{</span><span class="s2">"itemEntityId"</span>:<span class="s2">"i3"</span>,<span class="s2">"score"</span>:0.003007015026561692<span class="o">}</span>
   <span class="o">]</span>
 <span class="o">}</span>
-</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> is now running.</p><div class="alert-message info"><p>To update the model periodically with new data, simply set up a cron job to call <code>pio train</code> and <code>pio deploy</code>. The engine will continue to serve prediction results during the re-train process. After the training is completed, <code>pio deploy</code> will automatically shutdown the existing engine server and bring up a new process on the same port.</p></div><div class="alert-message info"><p><strong>Note that if you import a <em>large</em> data set</strong> and the training seems to be taking forever or getting stuck, it&#39;s likely that there is not enough executor memory. It&#39;s recommended to setup a Spark standalone cluster, you&#39;ll need to specify more driver and executor memory when training with a large data set. Please see <a href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> <h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send an item constraint &quot;unavailableItems&quot; (replace accessKey with your Access Key):</p><div class="alert-message note"><p>You can also use SDK to send this event as described in the SDK sample above.</p></div><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-c8935705-1dab-432c-9099-1221b99a06f1">REST API</a></li> <li data-lang="python"><a href="#tab-6610b95c-af7d-4153-b3a5-c62e0a6b553d">Python SDK</a></li> <li data-lang="php"><a href="#tab-596f4cb2-9501-4f8c-896b-7a9e7f5b64d9">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-1a5640cc-6289-466b-895d-d37800547b41">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-179ecbd2-c23f-43f5-804b-285457cdc12c">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-c8935705-1dab-432c-9099-1221b99a06f1"> <div class="highlight shell"> <table style="border
 -spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><em>MyECommerceRecommendation</em> is now running.</p><div class="alert-message info"><p>To update the model periodically with new data, simply set up a cron job to call <code>pio train</code> and <code>pio deploy</code>. The engine will continue to serve prediction results during the re-train process. After the training is completed, <code>pio deploy</code> will automatically shutdown the existing engine server and bring up a new process on the same port.</p></div><div class="alert-message info"><p><strong>Note that if you import a <em>large</em> data set</strong> and the training seems to be taking forever or getting stuck, it&#39;s likely that there is not enough executor memory. It&#39;s recommended to setup a Spark standalone cluster, you&#39;ll need to specify more driver and executor memory when training with a large data set. Please see <a href="/resources/faq/#engine-training">FAQ here</a> for instructions.</p></div> <h2 id='settin
 g-constraint-&quot;unavailableitems&quot;' class='header-anchors'>Setting constraint &quot;unavailableItems&quot;</h2><p>Now let&#39;s send an item constraint &quot;unavailableItems&quot; (replace accessKey with your Access Key):</p><div class="alert-message note"><p>You can also use SDK to send this event as described in the SDK sample above.</p></div><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-93ee0058-98ea-4f04-8348-14da9353b162">REST API</a></li> <li data-lang="python"><a href="#tab-c4b10aee-92e0-47ed-a304-9ec709221252">Python SDK</a></li> <li data-lang="php"><a href="#tab-ba9ae984-4a0e-43f6-803d-49bb91d557f4">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-62b5c8e8-3de7-4627-916f-3d211550ec33">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-69eead27-d8f8-43bb-a0cc-16422eb6cc12">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-93ee0058-98ea-4f04-8348-14da9353b162"> <div class="highlight shell"> <table style="border
 -spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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 4
@@ -599,7 +599,7 @@ http://localhost:8000/queries.json
   }
   "eventTime" : "2015-02-17T02:11:21.934Z"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-6610b95c-af7d-4153-b3a5-c62e0a6b553d"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-c4b10aee-92e0-47ed-a304-9ec709221252"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -618,7 +618,7 @@ http://localhost:8000/queries.json
     <span class="s">"items"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"&lt;ITEM ID1&gt;"</span><span class="p">,</span> <span class="s">"&lt;ITEM ID2&gt;"</span><span class="p">]</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-596f4cb2-9501-4f8c-896b-7a9e7f5b64d9"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-ba9ae984-4a0e-43f6-803d-49bb91d557f4"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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 3
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@@ -635,7 +635,7 @@ http://localhost:8000/queries.json
   <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span class="p">))</span>
 <span class="p">));</span>
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-1a5640cc-6289-466b-895d-d37800547b41"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-62b5c8e8-3de7-4627-916f-3d211550ec33"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -650,7 +650,7 @@ http://localhost:8000/queries.json
     <span class="s1">'properties'</span> <span class="o">=&gt;</span> <span class="p">{</span> <span class="s1">'items'</span> <span class="o">=&gt;</span> <span class="p">[</span><span class="s1">'&lt;ITEM ID1&gt;'</span><span class="p">,</span> <span class="s1">'&lt;ITEM ID2&gt;'</span><span class="p">]</span> <span class="p">}</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-179ecbd2-c23f-43f5-804b-285457cdc12c"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-69eead27-d8f8-43bb-a0cc-16422eb6cc12"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/templates/javaecommercerecommendation/quickstart/index.html.gz
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[08/15] incubator-predictionio-site git commit: Based on apache/incubator-predictionio#2f196dab3d4f603a7f720bb605d9f630599f0b5f

Posted by do...@apache.org.

http://git-wip-us.apache.org/repos/asf/incubator-predictionio-site/blob/f6e7c2b4/templates/complementarypurchase/quickstart/index.html
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+++ b/templates/complementarypurchase/quickstart/index.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html><html><head><title>Quick Start - Complementary Purchase Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Complementary Purchase Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/complementarypurchase/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5sh
 iv/3.7.2/html5shiv.min.js"></script><script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script><script src="//use.typekit.net/pqo0itb.js"></script><script>try{Typekit.load({ async: true });}catch(e){}</script></head><body><div id="global"><header><div class="container" id="header-wrapper"><div class="row"><div class="col-sm-12"><div id="logo-wrapper"><span id="drawer-toggle"></span><a href="#"></a><a href="http://predictionio.incubator.apache.org/"><img alt="PredictionIO" id="logo" src="/images/logos/logo-ee2b9bb3.png"/></a></div><div id="menu-wrapper"><div id="pill-wrapper"><a class="pill left" href="/gallery/template-gallery">TEMPLATES</a> <a class="pill right" href="//github.com/apache/incubator-predictionio/">OPEN SOURCE</a></div></div><img class="mobile-search-bar-toggler hidden-md hidden-lg" src="/images/icons/search-glass-704bd4ff.png"/></div></div></div></header><div id="search-bar-row-wrapper"><div class="container-fluid" id="search-bar-
 row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Complementary Purchase Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></di
 v></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li>
 </ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a clas
 s="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="exp
 andible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></u
 l></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a
  class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="
 /demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="l
 evel-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Complementary Purchase Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li>
  <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/complementarypurchase/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Complementary Purchase Engine Template</h1></div></div><div class="content"><h2 id='overview
 ' class='header-anchors'>Overview</h2><p>This engine template recommends the complementary items which most user frequently buy at the same time together with one or more items in the query.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user &#39;buy&#39; item events</li> </ul> <div class="alert-message info"><p>A correct eventTime should be used in order for engine to determine if the items being bought are in the same &#39;basket&#39;.</p></div><div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>set of items</li> <li>num of recommends items per condition</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>array of condition and top n recommended items given t
 he condition. The engine will use each combination of the query items as condition.</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.6</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
+<!DOCTYPE html><html><head><title>Quick Start - Complementary Purchase Engine Template</title><meta charset="utf-8"/><meta content="IE=edge,chrome=1" http-equiv="X-UA-Compatible"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta class="swiftype" name="title" data-type="string" content="Quick Start - Complementary Purchase Engine Template"/><link rel="canonical" href="https://docs.prediction.io/templates/complementarypurchase/quickstart/"/><link href="/images/favicon/normal-b330020a.png" rel="shortcut icon"/><link href="/images/favicon/apple-c0febcf2.png" rel="apple-touch-icon"/><link href="//fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet"/><link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet"/><link href="/stylesheets/application-a2a2f408.css" rel="stylesheet" type="text/css"/><script src="//cdnjs.cloudflare.com/ajax/libs/html5sh
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 row"><div class="row"><div class="col-md-9 col-sm-11 col-xs-11"><div class="hidden-md hidden-lg" id="mobile-page-heading-wrapper"><p>PredictionIO Docs</p><h4>Quick Start - Complementary Purchase Engine Template</h4></div><h4 class="hidden-sm hidden-xs">PredictionIO Docs</h4></div><div class="col-md-3 col-sm-1 col-xs-1 hidden-md hidden-lg"><img id="left-menu-indicator" src="/images/icons/down-arrow-dfe9f7fe.png"/></div><div class="col-md-3 col-sm-12 col-xs-12 swiftype-wrapper"><div class="swiftype"><form class="search-form"><img class="search-box-toggler hidden-xs hidden-sm" src="/images/icons/search-glass-704bd4ff.png"/><div class="search-box"><img src="/images/icons/search-glass-704bd4ff.png"/><input type="text" id="st-search-input" class="st-search-input" placeholder="Search Doc..."/></div><img class="swiftype-row-hider hidden-md hidden-lg" src="/images/icons/drawer-toggle-active-fcbef12a.png"/></form></div></div><div class="mobile-left-menu-toggler hidden-md hidden-lg"></div></di
 v></div></div><div id="page" class="container-fluid"><div class="row"><div id="left-menu-wrapper" class="col-md-3"><nav id="nav-main"><ul><li class="level-1"><a class="expandible" href="/"><span>Apache PredictionIO (incubating) Documentation</span></a><ul><li class="level-2"><a class="final" href="/"><span>Welcome to Apache PredictionIO (incubating)</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Getting Started</span></a><ul><li class="level-2"><a class="final" href="/start/"><span>A Quick Intro</span></a></li><li class="level-2"><a class="final" href="/install/"><span>Installing Apache PredictionIO (incubating)</span></a></li><li class="level-2"><a class="final" href="/start/download/"><span>Downloading an Engine Template</span></a></li><li class="level-2"><a class="final" href="/start/deploy/"><span>Deploying Your First Engine</span></a></li><li class="level-2"><a class="final" href="/start/customize/"><span>Customizing the Engine</span></a></li>
 </ul></li><li class="level-1"><a class="expandible" href="#"><span>Integrating with Your App</span></a><ul><li class="level-2"><a class="final" href="/appintegration/"><span>App Integration Overview</span></a></li><li class="level-2"><a class="expandible" href="/sdk/"><span>List of SDKs</span></a><ul><li class="level-3"><a class="final" href="/sdk/java/"><span>Java & Android SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/php/"><span>PHP SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/python/"><span>Python SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/ruby/"><span>Ruby SDK</span></a></li><li class="level-3"><a class="final" href="/sdk/community/"><span>Community Powered SDKs</span></a></li></ul></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Deploying an Engine</span></a><ul><li class="level-2"><a class="final" href="/deploy/"><span>Deploying as a Web Service</span></a></li><li class="level-2"><a clas
 s="final" href="/cli/#engine-commands"><span>Engine Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/deploy/monitoring/"><span>Monitoring Engine</span></a></li><li class="level-2"><a class="final" href="/deploy/engineparams/"><span>Setting Engine Parameters</span></a></li><li class="level-2"><a class="final" href="/deploy/enginevariants/"><span>Deploying Multiple Engine Variants</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Customizing an Engine</span></a><ul><li class="level-2"><a class="final" href="/customize/"><span>Learning DASE</span></a></li><li class="level-2"><a class="final" href="/customize/dase/"><span>Implement DASE</span></a></li><li class="level-2"><a class="final" href="/customize/troubleshooting/"><span>Troubleshooting Engine Development</span></a></li><li class="level-2"><a class="final" href="/api/current/#package"><span>Engine Scala APIs</span></a></li></ul></li><li class="level-1"><a class="exp
 andible" href="#"><span>Collecting and Analyzing Data</span></a><ul><li class="level-2"><a class="final" href="/datacollection/"><span>Event Server Overview</span></a></li><li class="level-2"><a class="final" href="/cli/#event-server-commands"><span>Event Server Command-line Interface</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventapi/"><span>Collecting Data with REST/SDKs</span></a></li><li class="level-2"><a class="final" href="/datacollection/eventmodel/"><span>Events Modeling</span></a></li><li class="level-2"><a class="final" href="/datacollection/webhooks/"><span>Unifying Multichannel Data with Webhooks</span></a></li><li class="level-2"><a class="final" href="/datacollection/channel/"><span>Channel</span></a></li><li class="level-2"><a class="final" href="/datacollection/batchimport/"><span>Importing Data in Batch</span></a></li><li class="level-2"><a class="final" href="/datacollection/analytics/"><span>Using Analytics Tools</span></a></li></u
 l></li><li class="level-1"><a class="expandible" href="#"><span>Choosing an Algorithm(s)</span></a><ul><li class="level-2"><a class="final" href="/algorithm/"><span>Built-in Algorithm Libraries</span></a></li><li class="level-2"><a class="final" href="/algorithm/switch/"><span>Switching to Another Algorithm</span></a></li><li class="level-2"><a class="final" href="/algorithm/multiple/"><span>Combining Multiple Algorithms</span></a></li><li class="level-2"><a class="final" href="/algorithm/custom/"><span>Adding Your Own Algorithms</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>ML Tuning and Evaluation</span></a><ul><li class="level-2"><a class="final" href="/evaluation/"><span>Overview</span></a></li><li class="level-2"><a class="final" href="/evaluation/paramtuning/"><span>Hyperparameter Tuning</span></a></li><li class="level-2"><a class="final" href="/evaluation/evaluationdashboard/"><span>Evaluation Dashboard</span></a></li><li class="level-2"><a
  class="final" href="/evaluation/metricchoose/"><span>Choosing Evaluation Metrics</span></a></li><li class="level-2"><a class="final" href="/evaluation/metricbuild/"><span>Building Evaluation Metrics</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>System Architecture</span></a><ul><li class="level-2"><a class="final" href="/system/"><span>Architecture Overview</span></a></li><li class="level-2"><a class="final" href="/system/anotherdatastore/"><span>Using Another Data Store</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Engine Template Gallery</span></a><ul><li class="level-2"><a class="final" href="/gallery/template-gallery/"><span>Browse</span></a></li><li class="level-2"><a class="final" href="/community/submit-template/"><span>Submit your Engine as a Template</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Demo Tutorials</span></a><ul><li class="level-2"><a class="final" href="
 /demo/tapster/"><span>Comics Recommendation Demo</span></a></li><li class="level-2"><a class="final" href="/demo/community/"><span>Community Contributed Demo</span></a></li><li class="level-2"><a class="final" href="/demo/textclassification/"><span>Text Classification Engine Tutorial</span></a></li></ul></li><li class="level-1"><a class="expandible" href="/community/"><span>Getting Involved</span></a><ul><li class="level-2"><a class="final" href="/community/contribute-code/"><span>Contribute Code</span></a></li><li class="level-2"><a class="final" href="/community/contribute-documentation/"><span>Contribute Documentation</span></a></li><li class="level-2"><a class="final" href="/community/contribute-sdk/"><span>Contribute a SDK</span></a></li><li class="level-2"><a class="final" href="/community/contribute-webhook/"><span>Contribute a Webhook</span></a></li><li class="level-2"><a class="final" href="/community/projects/"><span>Community Projects</span></a></li></ul></li><li class="l
 evel-1"><a class="expandible" href="#"><span>Getting Help</span></a><ul><li class="level-2"><a class="final" href="/resources/faq/"><span>FAQs</span></a></li><li class="level-2"><a class="final" href="/support/"><span>Support</span></a></li></ul></li><li class="level-1"><a class="expandible" href="#"><span>Resources</span></a><ul><li class="level-2"><a class="final" href="/resources/intellij/"><span>Developing Engines with IntelliJ IDEA</span></a></li><li class="level-2"><a class="final" href="/resources/upgrade/"><span>Upgrade Instructions</span></a></li><li class="level-2"><a class="final" href="/resources/glossary/"><span>Glossary</span></a></li></ul></li></ul></nav></div><div class="col-md-9 col-sm-12"><div class="content-header hidden-md hidden-lg"><div id="page-title"><h1>Quick Start - Complementary Purchase Engine Template</h1></div></div><div id="table-of-content-wrapper"><h5>On this page</h5><aside id="table-of-contents"><ul> <li> <a href="#overview">Overview</a> </li> <li>
  <a href="#usage">Usage</a> </li> <li> <a href="#1-install-and-run-predictionio">1. Install and Run PredictionIO</a> </li> <li> <a href="#2-create-a-new-engine-from-an-engine-template">2. Create a new Engine from an Engine Template</a> </li> <li> <a href="#3-generate-an-app-id-and-access-key">3. Generate an App ID and Access Key</a> </li> <li> <a href="#4-collecting-data">4. Collecting Data</a> </li> <li> <a href="#5-deploy-the-engine-as-a-service">5. Deploy the Engine as a Service</a> </li> <li> <a href="#6-use-the-engine">6. Use the Engine</a> </li> </ul> </aside><hr/><a id="edit-page-link" href="https://github.com/apache/incubator-predictionio/tree/livedoc/docs/manual/source/templates/complementarypurchase/quickstart.html.md.erb"><img src="/images/icons/edit-pencil-d6c1bb3d.png"/>Edit this page</a></div><div class="content-header hidden-sm hidden-xs"><div id="page-title"><h1>Quick Start - Complementary Purchase Engine Template</h1></div></div><div class="content"><h2 id='overview
 ' class='header-anchors'>Overview</h2><p>This engine template recommends the complementary items which most user frequently buy at the same time together with one or more items in the query.</p><h2 id='usage' class='header-anchors'>Usage</h2><h3 id='event-data-requirements' class='header-anchors'>Event Data Requirements</h3><p>By default, the template requires the following events to be collected:</p> <ul> <li>user &#39;buy&#39; item events</li> </ul> <div class="alert-message info"><p>A correct eventTime should be used in order for engine to determine if the items being bought are in the same &#39;basket&#39;.</p></div><div class="alert-message note"><p>You can customize to use other event.</p></div><h3 id='input-query' class='header-anchors'>Input Query</h3> <ul> <li>set of items</li> <li>num of recommends items per condition</li> </ul> <h3 id='output-predictedresult' class='header-anchors'>Output PredictedResult</h3> <ul> <li>array of condition and top n recommended items given t
 he condition. The engine will use each combination of the query items as condition.</li> </ul> <h2 id='1.-install-and-run-predictionio' class='header-anchors'>1. Install and Run PredictionIO</h2><p>First you need to <a href="/install">install PredictionIO 0.9.5</a> (if you haven&#39;t done it).</p><p>Let&#39;s say you have installed PredictionIO at <code>/home/yourname/PredictionIO/</code>. For convenience, add PredictionIO&#39;s binary command path to your <code>PATH</code>, i.e. <code>/home/yourname/PredictionIO/bin</code>:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span><span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/yourname/PredictionIO/bin; <span class="nb">export </span>PATH
 </pre></td></tr></tbody></table> </div> <div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, the path is located at <code>/opt/PredictionIO/bin</code>.</p></div><p>Once you have completed the installation process, please make sure all the components (PredictionIO Event Server, Elasticsearch, and HBase) are up and running.</p><div class="alert-message note"><p>If you launched <strong>PredictionIO AWS instance</strong>, you can skip <code>pio-start-all</code>. All components should have been started automatically.</p></div><p>If you are using PostgreSQL or MySQL, run the following to start PredictionIO Event Server:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio eventserver &amp;
 </pre></td></tr></tbody></table> </div> <p>If instead you are running HBase and Elasticsearch, run the following to start all PredictionIO Event Server, HBase, and Elasticsearch:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio-start-all
 </pre></td></tr></tbody></table> </div> <p>You can check the status by running:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1</pre></td><td class="code"><pre><span class="gp">$ </span>pio status
@@ -32,7 +32,7 @@ Your system is all ready to go.
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp1 |    1 | 3mZWDzci2D5YsqAnqNnXH9SB6Rg3dsTBs8iHkK6X2i54IQsIZI1eEeQQyMfs7b3F | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span>               MyApp2 |    2 | io5lz6Eg4m3Xe4JZTBFE13GMAf1dhFl6ZteuJfrO84XpdOz9wRCrDU44EUaYuXq5 | <span class="o">(</span>all<span class="o">)</span>
 <span class="o">[</span>INFO] <span class="o">[</span>App<span class="nv">$]</span> Finished listing 2 app<span class="o">(</span>s<span class="o">)</span>.
-</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, Complementary Purchase Engine Template supports the following entities: <strong>user</strong>, <strong>item</strong>. A user buys an item. This template requires user-buy-item events.</p><p>Note that the engine requires correct buy event time being used in order to determine if the items being bought are in the same &#39;basket&#39;, which is configured by the &#39;basketWindow&#39; parameter. Using an unreal event time for the buy events will cause an incorrect model. If you use SDK, the current time is used as event time by default.</p><div class="alert-message warning"><p>In particular, make sure correct event time is specified if you import data in batch (i.e. not in real time). If the event time is omitted, the SDK will use <strong>current time</strong> as event time which 
 is not the actual time of the buy event in this case!</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>When an user u0 buys item i0 on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a buy event. Run the following <code>curl</code> command:<
 /p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-5cc6183c-689c-481e-a771-ef12be0d4e11">REST API</a></li> <li data-lang="python"><a href="#tab-cfcb8db1-3a31-48e3-a113-542aefb02110">Python SDK</a></li> <li data-lang="php"><a href="#tab-e732d5c0-332c-44fc-a6b2-cee4e8dddeab">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-659a6694-055f-4680-8a83-808cbf328864">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-ebad5e6c-1d5d-44bb-ade7-6a0e7e336511">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-5cc6183c-689c-481e-a771-ef12be0d4e11"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p><a href="#"></a></p> <h2 id='4.-collecting-data' class='header-anchors'>4. Collecting Data</h2><p>Next, let&#39;s collect training data for this Engine. By default, Complementary Purchase Engine Template supports the following entities: <strong>user</strong>, <strong>item</strong>. A user buys an item. This template requires user-buy-item events.</p><p>Note that the engine requires correct buy event time being used in order to determine if the items being bought are in the same &#39;basket&#39;, which is configured by the &#39;basketWindow&#39; parameter. Using an unreal event time for the buy events will cause an incorrect model. If you use SDK, the current time is used as event time by default.</p><div class="alert-message warning"><p>In particular, make sure correct event time is specified if you import data in batch (i.e. not in real time). If the event time is omitted, the SDK will use <strong>current time</strong> as event time which 
 is not the actual time of the buy event in this case!</p></div><p>You can send these events to PredictionIO Event Server in real-time easily by making a HTTP request or through the provided SDK. Please see <a href="/appintegration/">App Integration Overview</a> for more details how to integrate your app with SDK.</p><p>Let&#39;s try sending events to EventServer with the following <code>curl</code> commands (The corresponding SDK code is showed in other tabs).</p><p>Replace <code>&lt;ACCCESS_KEY&gt;</code> by the Access Key generated in above steps. Note that <code>localhost:7070</code> is the default URL of the Event Server.</p><p>For convenience, set your access key to the shell variable, run:</p><p><code>$ ACCESS_KEY=&lt;ACCESS_KEY&gt;</code></p> <p><a href="#"></a></p> <p>When an user u0 buys item i0 on time <code>2014-11-02T09:39:45.618-08:00</code> (current time will be used if eventTime is not specified), you can send a buy event. Run the following <code>curl</code> command:<
 /p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-37f2065c-a0af-4f21-bb41-1da3cc73f4ce">REST API</a></li> <li data-lang="python"><a href="#tab-c96945b8-47ec-424d-a2c9-e5b7ec69cdb6">Python SDK</a></li> <li data-lang="php"><a href="#tab-c786ebdb-45f6-4099-9e11-3f148dbf256b">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-6f48969e-cdb5-454f-ac8c-b6f20b726ee8">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-2fba36ee-60d3-4425-be35-e189f2fe638f">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-37f2065c-a0af-4f21-bb41-1da3cc73f4ce"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
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 4
@@ -51,7 +51,7 @@ Your system is all ready to go.
   "targetEntityId" : "i0",
   "eventTime" : "2014-11-02T09:39:45.618-08:00"
 }'</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-cfcb8db1-3a31-48e3-a113-542aefb02110"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-c96945b8-47ec-424d-a2c9-e5b7ec69cdb6"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
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 4
@@ -104,7 +104,7 @@ Your system is all ready to go.
   <span class="n">target_entity_id</span><span class="o">=&lt;</span><span class="n">ITEM</span> <span class="n">ID</span><span class="o">&gt;</span><span class="p">,</span>
   <span class="n">event_time</span><span class="o">=&lt;</span><span class="n">EVENT_TIME</span><span class="o">&gt;</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-e732d5c0-332c-44fc-a6b2-cee4e8dddeab"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c786ebdb-45f6-4099-9e11-3f148dbf256b"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
 3
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@@ -155,7 +155,7 @@ Your system is all ready to go.
 <span class="p">));</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-659a6694-055f-4680-8a83-808cbf328864"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-6f48969e-cdb5-454f-ac8c-b6f20b726ee8"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2
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@@ -200,7 +200,7 @@ Your system is all ready to go.
     <span class="s1">'eventTime'</span> <span class="o">=&gt;</span> <span class="o">&lt;</span><span class="no">EVENT_TIME</span><span class="o">&gt;</span>
   <span class="p">}</span>
 <span class="p">)</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-ebad5e6c-1d5d-44bb-ade7-6a0e7e336511"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-2fba36ee-60d3-4425-be35-e189f2fe638f"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -290,7 +290,7 @@ User u10 buys item s2i1 at 2014-10-19 15:43:15.618000-07:53
 </pre></td></tr></tbody></table> </div> <p>When the engine is deployed successfully and running, you should see a console message similar to the following:</p><div class="highlight shell"><table style="border-spacing: 0"><tbody><tr><td class="gutter gl" style="text-align: right"><pre class="lineno">1
 2</pre></td><td class="code"><pre><span class="o">[</span>INFO] <span class="o">[</span>HttpListener] Bound to /0.0.0.0:8000
 <span class="o">[</span>INFO] <span class="o">[</span>MasterActor] Bind successful. Ready to serve.
-</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can query the engine. For example, return top 3 items which are frequently bought with item &quot;s2i1&quot;. You can sending this JSON &#39;{ &quot;items&quot; : [&quot;s2i1&quot;], &quot;num&quot; : 3 }&#39; to the deployed engine. The engine will return a JSON with the recommeded items.</p><p>If you include one or more items in the query, the engine will use each combination of the query items as condition, and return recommended items if there is any for this condition. For example, if you query items are [&quot;A&quot;, &quot;B&qu
 ot;], then the engine will use [&quot;A&quot;], [&quot;B&quot;], and [&quot;A&quot;, &quot;B&quot;] as condition and try to find top n recommended items for each combination.</p><p>You can simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-4ed62f58-3bcb-4bea-9c00-13b3df864e3f">REST API</a></li> <li data-lang="python"><a href="#tab-103ccc97-c392-48c0-b937-7cc00e2854af">Python SDK</a></li> <li data-lang="php"><a href="#tab-c75610f5-8954-4f28-bf3e-a7a171a705e1">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-934e6f85-991e-40a0-a22a-3c861c0f8cfe">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-d3735583-6926-472a-badf-df24098fff4a">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-4ed62f58-3bcb-4
 bea-9c00-13b3df864e3f"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td></tr></tbody></table> </div> <p>Do not kill the deployed engine process.</p><p>By default, the deployed engine binds to <a href="http://localhost:8000"><a href="http://localhost:8000">http://localhost:8000</a></a>. You can visit that page in your web browser to check its status.</p><p><img alt="Engine Status" src="/images/engine-server-3246414b.png"/></p></p><h2 id='6.-use-the-engine' class='header-anchors'>6. Use the Engine</h2><p>Now, You can query the engine. For example, return top 3 items which are frequently bought with item &quot;s2i1&quot;. You can sending this JSON &#39;{ &quot;items&quot; : [&quot;s2i1&quot;], &quot;num&quot; : 3 }&#39; to the deployed engine. The engine will return a JSON with the recommeded items.</p><p>If you include one or more items in the query, the engine will use each combination of the query items as condition, and return recommended items if there is any for this condition. For example, if you query items are [&quot;A&quot;, &quot;B&qu
 ot;], then the engine will use [&quot;A&quot;], [&quot;B&quot;], and [&quot;A&quot;, &quot;B&quot;] as condition and try to find top n recommended items for each combination.</p><p>You can simply send a query by making a HTTP request or through the <code>EngineClient</code> of an SDK.</p><p>With the deployed engine running, open another terminal and run the following <code>curl</code> command or use SDK to send the query:</p><div class="tabs"> <ul class="control"> <li data-lang="json"><a href="#tab-818236af-49ba-4166-8f58-8373b00d1e79">REST API</a></li> <li data-lang="python"><a href="#tab-28e7c77d-3f85-44de-99b3-8be7ba725371">Python SDK</a></li> <li data-lang="php"><a href="#tab-d8f0ebb6-ee8e-4a4a-a3ca-5148347e247a">PHP SDK</a></li> <li data-lang="ruby"><a href="#tab-1145feef-89f4-4b1e-8ec8-e5ea4c8480a2">Ruby SDK</a></li> <li data-lang="java"><a href="#tab-45e38992-2a8d-4612-9e04-cac36dadf466">Java SDK</a></li> </ul> <div data-tab="REST API" data-lang="json" id="tab-818236af-49ba-4
 166-8f58-8373b00d1e79"> <div class="highlight shell"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -303,7 +303,7 @@ User u10 buys item s2i1 at 2014-10-19 15:43:15.618000-07:53
 }'</span> <span class="se">\</span>
 http://localhost:8000/queries.json
 
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-103ccc97-c392-48c0-b937-7cc00e2854af"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Python SDK" data-lang="python" id="tab-28e7c77d-3f85-44de-99b3-8be7ba725371"> <div class="highlight python"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -314,7 +314,7 @@ http://localhost:8000/queries.json
   <span class="s">"items"</span> <span class="p">:</span> <span class="p">[</span><span class="s">"s2i1"</span><span class="p">],</span>
   <span class="s">"num"</span> <span class="p">:</span> <span class="mi">3</span>
 <span class="p">})</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-c75610f5-8954-4f28-bf3e-a7a171a705e1"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="PHP SDK" data-lang="php" id="tab-d8f0ebb6-ee8e-4a4a-a3ca-5148347e247a"> <div class="highlight php"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -341,7 +341,7 @@ http://localhost:8000/queries.json
 <span class="nb">print_r</span><span class="p">(</span><span class="nv">$response</span><span class="p">);</span>
 
 <span class="cp">?&gt;</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-934e6f85-991e-40a0-a22a-3c861c0f8cfe"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Ruby SDK" data-lang="ruby" id="tab-1145feef-89f4-4b1e-8ec8-e5ea4c8480a2"> <div class="highlight ruby"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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@@ -360,7 +360,7 @@ http://localhost:8000/queries.json
 <span class="p">)</span>
 
 <span class="nb">puts</span> <span class="n">response</span>
-</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-d3735583-6926-472a-badf-df24098fff4a"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
+</pre></td> </tr></tbody></table> </div> </div> <div data-tab="Java SDK" data-lang="java" id="tab-45e38992-2a8d-4612-9e04-cac36dadf466"> <div class="highlight java"> <table style="border-spacing: 0"><tbody><tr> <td class="gutter gl" style="text-align: right"><pre class="lineno">1
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