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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4345) Create a Classification module
Date Wed, 24 Oct 2012 10:14:12 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13483117#comment-13483117
] 

Michael McCandless commented on LUCENE-4345:
--------------------------------------------

The builds have been failing because some methods are missing javadocs:
{noformat}
-documentation-lint:
     [echo] Checking for broken links...
     [exec]
     [exec] Crawl/parse...
     [exec]
     [exec] Verify...
     [echo] Checking for missing docs...
     [exec]
     [exec] build/docs/classification/org/apache/lucene/classification/ClassificationResult.html
     [exec]   missing Constructors: ClassificationResult(java.lang.String, double)
     [exec]   missing Methods: getAssignedClass()
     [exec]   missing Methods: getScore()
     [exec]
     [exec] build/docs/classification/org/apache/lucene/classification/KNearestNeighborClassifier.html
     [exec]   missing Constructors: KNearestNeighborClassifier(int)
     [exec]
     [exec] Missing javadocs were found!
{noformat}

                
> 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
>         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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