[jira] Updated: (SOLR-1302) Fun with Distances - Add Distance functions for a variety of things

["Hoss Man (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-1302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hoss Man updated SOLR-1302:
---------------------------

    Fix Version/s: 3.1
                   4.0


Correcting Fix Version based on CHANGES.txt, see this thread for more details...

http://mail-archives.apache.org/mod_mbox/lucene-dev/201005.mbox/%3Calpine.DEB.1.10.1005251052040.24672@radix.cryptio.net%3E


> Fun with Distances - Add Distance functions for a variety of things
> -------------------------------------------------------------------
>
>                 Key: SOLR-1302
>                 URL: https://issues.apache.org/jira/browse/SOLR-1302
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>             Fix For: 1.5, 3.1, 4.0
>
>         Attachments: SOLR-1302.patch, SOLR-1302.patch, SOLR-1302.patch
>
>
> There are many distance functions that are useful to have:
> 1. Great Circle (lat/lon) and other geo distances
> 2. Euclidean (Vector)
> 3. Manhattan (Vector)
> 4. Cosine (Vector)
> For the vector ones, the idea is that the fields on a document can be used to determine the vector.  

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