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Posted to solr-user@lucene.apache.org by anuvenk <an...@hotmail.com> on 2008/01/05 22:25:08 UTC

what are tf,idf,fieldNorm,queryNorm.?

I understand tf means term frequency. For eg: if the search term is 'chapter
7', does tf mean how frequently 'chapter 7' occurs in the docs? Does it take
in to account the total number of words in a doc to determine frequency.
Also what is idf, fieldNorm and queryNorm. Trying to understand how solr
calculates the solr score. 
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