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From "Julien Nioche" <Julien.Nio...@lingway.com>
Subject Re: Document scoring - should I file a bug report?
Date Mon, 02 Jun 2003 15:55:19 GMT
I observed a change in the ordering of the results since I moved from 1.2 to
the 1.3 RC1 version of the API ( with the extensible Scoring API)
Maybe it's related?

----- Original Message -----
From: "Otis Gospodnetic" <otis_gospodnetic@yahoo.com>
To: "Lucene Developers List" <lucene-dev@jakarta.apache.org>
Sent: Monday, June 02, 2003 6:09 AM
Subject: Re: Document scoring - should I file a bug report?


> Sounds wrong, but I have not used HitCollector much, so maybe I just
> don't know enough about it.  Regardless, it looks like this should be
> entered in Bugzilla.  If it is not a bug in the code, it is a bug in
> documentation - this type of behaviour, if correct, we need to document
> clearly.
>
> Thanks,
> Otis
> P.S.
> I don't remember seeing any unit tests that use HitCollector.  If
> you've go something in a unit test format, please attach it to the bug,
> so we can include it in the test suite.
>
>
> --- "Armbrust, Daniel C." <Armbrust.Daniel@mayo.edu> wrote:
> > I've noticed an oddity in scoring....
> >
> > If I do my search like this:
> >
> > searcher.search(query, filter, new HitCollector()
> > {
> > public void collect(int doc, float score)
> > {
> > tempHits.add(new LuceneHits(doc, score));
> > }
> > });
> >
> >
> > I get different scores for the resulting documents than I do if I do
> > my search like this:
> >
> > hits = searcher.search(query, filter);
> >
> > Both methods return the same number of hits.  I can live with them
> > returning different scores, I'm just curious as to why it happens.
> >
> > Furthermore, the first method returns several scores that are greater
> > than 1.0.  Isn't this supposed to be impossible?  The FAQ states that
> > scores range from 0 to 1.
> >
> > Thanks,
> >
> > Dan
> >
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>
>
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