Re: [Nutch-general] classifying content

[og...@yahoo.com]

Chad,

Look at LingPipe - there is a nice classification tutorial there - http://alias-i.com/ .

Otis

----- Original Message ----
From: chad savage <cs...@activeathletemedia.com>
To: nutch-user@lucene.apache.org
Sent: Thursday, December 7, 2006 12:52:17 PM
Subject: Re: [Nutch-general] classifying content

Hey Eelco,

We would like to organize information into a hierarchical category 
system.  It's all general web content(html from the web).
Yes, there are a number of references to varying techniques on the net 
(scientific papers, theoretical, practical, mind boggling). My problem 
is determining the best method. and of course implementing it with my 
limited nutch/java abilities.  May have to outsource most of this.
Not to mention the many formats for ontologies: owl,rdf,daml, some 
others I am sure I'm missing.

We would like to be able to crawl the web and categorize the pages into 
buckets.  We currently have a number of separate configs for nutch all 
crawling different subsets of our web sites with multiple indexes as a 
start for being able to search separate categories.  The goal is to have 
one crawl that can scan all of the websites and index the content into 
these predetermined buckets and keep them in one master index.

If there are any groups out there that handle this I would be more than 
happy to discuss techniques and possible outsourcing.

Chad


Eelco Lempsink wrote:
> On 5-dec-2006, at 7:01, chad savage wrote:
>> I'm doing some research on how to classify documents into pre-defined 
>> categories.
>
> On basis of...?  The technique that's the most appropriate depends on 
> the type of documents and the type of categories. For instance, are 
> the documents structured (e.g. all XML using a common definition) or 
> unstructured data (HTML from the web)?  Are you looking the place 
> documents in a large hierarchical category system or is it a simple 
> binary decision (e.g. 'Spam' or 'No spam').
>
> If you know what you want and how it's called it should be relatively 
> easy to find information and scientific papers about it.
>
> --Regards,
>
> Eelco Lempsink
>

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