Mailing List Archive: Lucene: Java-User

how to score in lucene

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songzi0206 at gmail

Nov 20, 2009, 2:46 AM

Post #1 of 2 (472 views)
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how to score in lucene

hi,
I have a problem with scoring a document in lucene. I know there
are some factors such as docNum,boost,idf,docFreq,lengthNorm and so
on. And I also know how to count docNum,docFreq,idf, but I really have
no idea about counting the lengNorm . thx.

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gsingers at apache

Nov 25, 2009, 5:01 AM

Post #2 of 2 (372 views)
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Re: how to score in lucene [In reply to]

On Nov 20, 2009, at 5:46 AM, Wilson Wu wrote:

> hi,
> I have a problem with scoring a document in lucene. I know there
> are some factors such as docNum,boost,idf,docFreq,lengthNorm and so
> on. And I also know how to count docNum,docFreq,idf, but I really have
> no idea about counting the lengNorm . thx.
>

See http://lucene.apache.org/java/2_9_1/scoring.html

--------------------------
Grant Ingersoll
http://www.lucidimagination.com/

Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids) using Solr/Lucene:
http://www.lucidimagination.com/search

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