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List:       lucene-user
Subject:    Re: possible score value
From:       "Francisco Borges" <francisco.borges () gmail ! com>
Date:       2008-11-06 11:13:35
Message-ID: f950edef0811060313teff5d3ewf7eb1bba55e68c46 () mail ! gmail ! com
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Hello Anshum,

No, I hadn't seen that. I had only gone through Similarity, and Weight
classes and worked through their calculations.

Thank you very much for the clarification!

Kind regards,
Francisco

On Thu, Nov 6, 2008 at 11:59 AM, Anshum <anshumg@gmail.com> wrote:

> Hi Fransisco,
>
> Did you come across :
>      scoreNorm = 1.0f / topDocs.getMaxScore();
> or something of this sort in Hits?
> As per my knowledge, the initial score is more than 1 but finally the
> scores
> get divided by the maxScore of the matched doc set. i.e. Setting an upper
> limit of 1 (for the max scorer).
> Hope this clarifies things! :)
>
> --
> Anshum Gupta
> Naukri Labs!
> http://ai-cafe.blogspot.com
>
> The facts expressed here belong to everybody, the opinions to me. The
> distinction is yours to draw............
>
>
> On Thu, Nov 6, 2008 at 4:20 PM, Francisco Borges <
> francisco.borges@gmail.com
> > wrote:
>
> > Hello,
> >
> > I have been going through the scoring documentation and code.
> >
> > I had the expectation that Lucene would enforce a score value between
> > [0,1].
> > But from what I can grasp from the code and docs, score values can be
> > greater than one.
> >
> > Does Lucene considers score values greater than 1 as valid?
> >
> > Kind regards,
> > --
> > Francisco
> >
>



-- 
Francisco


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