uwe at thetaphi
May 19, 2012, 4:34 AM
Post #5 of 5
(393 views)
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You can use CustomScoreQuery with ValueSources.
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Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe [at] thetaphi
> -----Original Message-----
> From: Meeraj Kunnumpurath [mailto:meeraj.kunnumpurath [at] asyska]
> Sent: Saturday, May 19, 2012 1:20 PM
> To: java-user [at] lucene
> Subject: Re: Boosting numerical field
>
> Hi,
>
> Is this available only with Solr or would it work if I am using plain
Lucene?
>
> Regards
> Meeraj
>
> On Sat, May 19, 2012 at 9:07 AM, Ahmet Arslan <iorixxx [at] yahoo> wrote:
>
> >
> > > Is there anyway in a query, I can boost the relevance of a hit based
> > > on the value of a numerical field in the index.
> > > i.e higher the value of the field, more relevant the hit is.
> >
> > Yes it is possible. Like view count, popularity etc. You can use
> > e(dismax)'s bf boosting function (additive or multiplicative.
> >
> >
> > http://wiki.apache.org/solr/ExtendedDisMax#boost_.28Boost_Function.2C_
> > multiplicative.29
> >
> >
> > http://wiki.apache.org/solr/ExtendedDisMax#bf_.28Boost_Function.2C_add
> > itive.29
> >
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> >
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