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From Grant Ingersoll <>
Subject Re: MoreLikeThis Extension for documents that have tags
Date Tue, 08 Sep 2009 14:00:14 GMT
Can you create a patch and open an issue in JIRA, if you haven't  

On Sep 3, 2009, at 6:56 PM, Thomas D'Silva wrote:

> Hi,
> 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.
> I have attached the class and a test class and would appreciate any  
> feedback.
> Thank you,
> Thomas
> <>
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Grant Ingersoll

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