[jira] Commented: (LUCENE-1910) Extension to MoreLikeThis to use tag information

["Thomas D'Silva (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-1910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12894471#action_12894471 ] 

Thomas D'Silva commented on LUCENE-1910:
----------------------------------------

I extracted the Information Gain code into a separate class. I also added the Apache Software License and reformatted the code to use the Lucene code format. Are there any other changes or modifications that are needed?

Thanks,
Thomas

> Extension to MoreLikeThis to use tag information
> ------------------------------------------------
>
>                 Key: LUCENE-1910
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1910
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/*
>            Reporter: Thomas D'Silva
>            Priority: Minor
>         Attachments: LUCENE-1910.patch
>
>
> I would like to contribute a class based on the MoreLikeThis class in
> contrib/queries that generates a query based on the tags associated
> with a document. The class assumes that documents are tagged with a
> set of tags (which are stored in the index in a seperate Field). The
> class determines the top document terms associated with a given tag
> using the information gain metric.
> While generating a MoreLikeThis query for a document the tags
> associated with document are used to determine the terms in the query.
> This class is useful for finding similar documents to a document that
> does not have many relevant terms but was tagged.

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