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From Robert Muir <>
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 <> 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, or in Lucene In Action 2 (I
think there is an example of how to use this there)


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