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From "Karl Koch" <TheRan...@gmx.net>
Subject Re: Scoring formula
Date Sat, 05 Nov 2005 23:36:11 GMT
I always thought that Lucene search is always returning a Hits object. In
what occation would this not be the case?

Karl

> --- Ursprüngliche Nachricht ---
> Von: Yonik Seeley <yseeley@gmail.com>
> An: java-user@lucene.apache.org
> Betreff: Re: Scoring formula
> Datum: Sat, 5 Nov 2005 17:49:40 -0500
> 
> Lucene 1.2 is before my time, but check if the functions are
> implemented the same as the current version (they probably are).
> 
> Scores are not naturally <= 1, but for most search methods (including
> all that return Hits) they are normalized to be between 1 and 0 if the
> highest score is greater than 1.
> 
> -Yonik
> Now hiring -- http://forms.cnet.com/slink?231706
> 
> 
> On 11/5/05, Karl Koch <TheRanger@gmx.net> wrote:
> > Yes, the Similarity class existed in version 1.2, but no description is
> > included in its JavaDoc. After somebody could point me to the formular I
> > would also like to know if the formula ensures the score is always
> between
> > 0.0 and 1.0 (without any boosting)... Is this the case?
> >
> > Karl
> 
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