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Date: Thu, 25 Sep 2008 01:53:02 +1000
From: Norberto Meijome <numardbsd@gmail.com>
To: solr-user@lucene.apache.org
Subject: Re: Dismax , "query phrases"
Message-ID: <20080925015302.72bb2779@ayiin>
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References: <849011.28198.qm@web50304.mail.re2.yahoo.com>
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On Wed, 24 Sep 2008 08:34:57 -0700 (PDT)
Otis Gospodnetic <otis_gospodnetic@yahoo.com> wrote:

> What happens if you change ps from 100 to 1 and comment out that ord function?
> 
> 
> Otis

Hi Otis,

no luck - without " " :
<str name="rawquerystring">smashing pumpkins</str>
<str name="querystring">smashing pumpkins</str>
<str name="parsedquery">
+((DisjunctionMaxQuery((genre:smash^0.2 | title_ngram2:"sm ma as sh hi in ng"^0.1 | artist_ngram2:"sm ma as sh hi in ng"^0.1 | title_ngram3:"sma mas ash shi hin ing"^4.5 | title:smash^6.0 | artist_ngram3:"sma mas ash shi hin ing"^3.5 | artist:smash^4.0 | artist_exact:smashing^100.0 | title_exact:smashing^200.0)~0.01) DisjunctionMaxQuery((genre:pumpkin^0.2 | title_ngram2:"pu um mp pk ki in ns"^0.1 | artist_ngram2:"pu um mp pk ki in ns"^0.1 | title_ngram3:"pum ump mpk pki kin ins"^4.5 | title:pumpkin^6.0 | artist_ngram3:"pum ump mpk pki kin ins"^3.5 | artist:pumpkin^4.0 | artist_exact:pumpkins^100.0 | title_exact:pumpkins^200.0)~0.01))~2) DisjunctionMaxQuery((title:"smash pumpkin"~1^2.0 | artist:"smash pumpkin"~1^0.8)~0.01)
</str>
___
<str name="parsedquery_toString">
+(((genre:smash^0.2 | title_ngram2:"sm ma as sh hi in ng"^0.1 | artist_ngram2:"sm ma as sh hi in ng"^0.1 | title_ngram3:"sma mas ash shi hin ing"^4.5 | title:smash^6.0 | artist_ngram3:"sma mas ash shi hin ing"^3.5 | artist:smash^4.0 | artist_exact:smashing^100.0 | title_exact:smashing^200.0)~0.01 (genre:pumpkin^0.2 | title_ngram2:"pu um mp pk ki in ns"^0.1 | artist_ngram2:"pu um mp pk ki in ns"^0.1 | title_ngram3:"pum ump mpk pki kin ins"^4.5 | title:pumpkin^6.0 | artist_ngram3:"pum ump mpk pki kin ins"^3.5 | artist:pumpkin^4.0 | artist_exact:pumpkins^100.0 | title_exact:pumpkins^200.0)~0.01)~2) (title:"smash pumpkin"~1^2.0 | artist:"smash pumpkin"~1^0.8)~0.01

Still OK if I include " "...

I am trying on another setup, with same data, to work with shingles rather than on 'exact' ... dismax seems to handle it much better...but it may be that I haven't added to that config all the ngram3 &ngram3 fields for substring matching...

the resulting params were :

<str name="mm">2<-1 5<-2 6<90%</str>
<str name="spellcheck">true</str>
<str name="spellcheck.extendedResults">true</str>
<str name="tie">0.01</str>
<str name="tr">store_albums.xsl</str>
___
<str name="qf">
title_exact^200.0 artist_exact^100.0 title^6.0 title_ngram3^4.5 artist^4.0 artist_ngram3^3.5 title_ngram2^0.1 artist_ngram2^0.1 genre^0.2
</str>
<str name="q.alt">*:*</str>
<str name="spellcheck.collate">true</str>
<str name="wt">xml</str>
<str name="defType">dismax</str>
<str name="rows">10</str>
<str name="spellcheck.onlyMorePopular">true</str>
<str name="pf">title^2.0 artist^0.8</str>
<str name="echoParams">all</str>
<str name="fl">*,score</str>
<str name="spellcheck.count">1</str>
<str name="ps">1</str>
<str name="debugQuery">true</str>
<str name="echoParams">all</str>
<str name="wt">xml</str>
<str name="q">smashing pumpkins</str>

thanks,
B
_________________________
{Beto|Norberto|Numard} Meijome

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