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From "Aleksander M. Stensby" <aleksander.sten...@integrasco.no>
Subject Re: Lucene search formula
Date Fri, 07 Jul 2006 09:07:05 GMT
I have written a paper about Topic Detection and Tracking, where I also  
explain the TF-IDF-scheme. If you like, i can send you the paper.

Aleksander

On Fri, 07 Jul 2006 04:46:52 +0200, Rajiv Roopan <rajiv.roopan@gmail.com>  
wrote:

> Hello,
>    I was recently looking thru the lucene in action book and came across  
> the
> scoring formula. I was wondering if the formula has changed since the  
> book
> was written?
>
>   Also was wondering if someone can breifly explain what the IDF(t) term  
> in
> the formula means? In the book it says that it's the inverse document
> frequency of the term but doesn't explain beyond that?
>
> thanks,
> rajiv



-- 
Aleksander M. Stensby
Software Developer
Integrasco A/S
aleksander.stensby@integrasco.no
Tlf.: +47 41 22 82 72

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