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From elisabeth benoit <elisaelisael...@gmail.com>
Subject Re: solr 4.10 I change slop in pf2 pf3 and query norm changes
Date Tue, 22 Dec 2015 05:40:19 GMT
hello,

yes in the second case I get one document with a higher score. the relative
scoring between documents is not the same anymore.

best regards,
elisabeth

2015-12-22 4:39 GMT+01:00 Binoy Dalal <binoydalal93@gmail.com>:

> I have one query.
> In the second case do you get two records with the same lower scores or
> just one record with a lower score and the other with a higher one?
>
> On Mon, 21 Dec 2015, 18:45 elisabeth benoit <elisaelisaelisa@gmail.com>
> wrote:
>
> > Hello,
> >
> > I don't think the query is important in this case.
> >
> > After checking out solr's debug output, I dont think the query norm is
> > relevant either.
> >
> > I think the scoring changes because
> >
> > 1) in first case, I have same slop for catchall and name fields. Bot
> match
> > pf2 pf3. In this case, solr uses max of both for scoring pf2 pf3 results.
> >
> > 2) In second case, I have different slopes, then solr uses sum of values
> > instead of max.
> >
> >
> >
> > If anyone knows how to work around this, please let me know.
> >
> > Elisabeth
> >
> > 2015-12-21 11:22 GMT+01:00 Binoy Dalal <binoydalal93@gmail.com>:
> >
> > > What is your query?
> > >
> > > On Mon, 21 Dec 2015, 14:37 elisabeth benoit <elisaelisaelisa@gmail.com
> >
> > > wrote:
> > >
> > > > Hello all,
> > > >
> > > > I am using solr 4.10.1 and I have configured my pf2 pf3 like this
> > > >
> > > > <str name="pf2">catchall~0^0.2 name~0^0.21 synonyms^0.2</str>
> > > > <str name="pf3">catchall~0^0.2 name~0^0.21 synonyms^0.2</str>
> > > >
> > > > my search field (qf) is my catchall field
> > > >
> > > > I'v been trying to change slop in pf2, pf3 for catchall and synonyms
> > > (going
> > > > from 0, or default value for synonyms, to 1)
> > > >
> > > > pf2=catchall~1^0.2 name~0^0.21 synonyms~1^0.2
> > > > pf3=catchall~1^0.2 name~0^0.21 synonyms~1^0.2
> > > >
> > > > but some results are not ordered the same way anymore even if I get
> the
> > > > same MATCH values in debugQuery output
> > > >
> > > > For instance, for a doc matching bastill in catchall field (and
> nothing
> > > to
> > > > do with pf2, pf3!)
> > > >
> > > > with first pf2, pf3
> > > >
> > > > 0.5163083 = (MATCH) weight(catchall:bastill in 105256)
> > > [NoTFIDFSimilarity],
> > > > result of:
> > > >        * 0.5163083 = score(doc=105256,freq=2.0 = termFreq=2.0*
> > > > ), product of:
> > > >          * 0.5163083 = queryWeight,* product of:
> > > >             1.0 = idf(docFreq=134, maxDocs=12258543)
> > > >             0.5163083 = queryNorm
> > > >           1.0 = fieldWeight in 105256, product of:
> > > >             1.0 = tf(freq=2.0), with freq of:
> > > >               2.0 = termFreq=2.0
> > > >             1.0 = idf(docFreq=134, maxDocs=12258543)
> > > >             1.0 = fieldNorm(doc=105256)
> > > >       0.5163083 = (MATCH) weight(catchall:paris in 105256)
> > > > [NoTFIDFSimilarity], result of:
> > > >         0.5163083 = score(doc=105256,freq=6.0 = termFreq=6.0
> > > >
> > > > and when I change pf2 pf3 (the only change, same query, same docs)
> > > >
> > > > 0.47504464 = (MATCH) weight(catchall:paris in 105256)
> > > [NoTFIDFSimilarity],
> > > > result of:
> > > >        * 0.47504464 = score(doc=105256,freq=6.0 = termFreq=6.0*
> > > > ), product of:
> > > >          * 0.47504464 = queryWeight*, product of:
> > > >             1.0 = idf(docFreq=10958, maxDocs=12258543)
> > > >             0.47504464 = queryNorm
> > > >           1.0 = fieldWeight in 105256, product of:
> > > >             1.0 = tf(freq=6.0), with freq of:
> > > >               6.0 = termFreq=6.0
> > > >             1.0 = idf(docFreq=10958, maxDocs=12258543)
> > > >             1.0 = fieldNorm(doc=105256)
> > > >
> > > > so in the end, with same MATCH results, in first case I get two
> > documents
> > > > with same score, and in second case, one document has a higher score.
> > > >
> > > > This seem very very strange. Does anyone have a clue what's going on?
> > > >
> > > > Thanks
> > > > Elisabeth
> > > >
> > > --
> > > Regards,
> > > Binoy Dalal
> > >
> >
> --
> Regards,
> Binoy Dalal
>

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