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From Robert Muir <rcm...@gmail.com>
Subject Re: please I need small clarification about precision and recall in lucene code‏
Date Sun, 06 May 2012 23:38:07 GMT
On Sun, May 6, 2012 at 8:43 AM, Abeer I <tmooh11@hotmail.com> wrote:
> can
>  any one describe what is the meaning of these two file I tried to
> search for recourse that help me with this matter but unfortunately
> nothing helpful.
>
> how to write these two file (topic file,qrles ) is it don manually, if so what is the
meaning of the file structure.
>
>

topics are basically queries, representation of some information need.

qrels are relevance judgements, mapping which documents are relevant
to which query.

You can find more basic information at
http://trec.nist.gov/data/test_coll.html, or in Lucene In Action 2 (I
think there is an example of how to use this there)


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