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Date: Sun, 17 Feb 2013 02:31:15 +0000 (UTC)
From: "Steve Rowe (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12601117.1343851256462.298661.1361068275066@arcas>
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Subject: [jira] [Comment Edited] (LUCENE-4345) Create a Classification
 module
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    [ https://issues.apache.org/jira/browse/LUCENE-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580103#comment-13580103 ] 

Steve Rowe edited comment on LUCENE-4345 at 2/17/13 2:30 AM:
-------------------------------------------------------------

Tommaso, is there any reason this can't be backported to branch_4x?
                
      was (Author: steve_rowe):
    Tommasso, is there any reason this can't be backported to branch_4x?
                  
> Create a Classification module
> ------------------------------
>
>                 Key: LUCENE-4345
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4345
>             Project: Lucene - Core
>          Issue Type: New Feature
>            Reporter: Tommaso Teofili
>            Assignee: Tommaso Teofili
>            Priority: Minor
>             Fix For: 5.0
>
>         Attachments: LUCENE-4345_2.patch, LUCENE-4345.patch, SOLR-3700_2.patch, SOLR-3700.patch
>
>
> Lucene/Solr can host huge sets of documents containing lots of information in fields so that these can be used as training examples (w/ features) in order to very quickly create classifiers algorithms to use on new documents and / or to provide an additional service.
> So the idea is to create a contrib module (called 'classification') to host a ClassificationComponent that will use already seen data (the indexed documents / fields) to classify new documents / text fragments.
> The first version will contain a (simplistic) Lucene based Naive Bayes classifier but more implementations should be added in the future.

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