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https://issues.apache.org/jira/browse/SOLR-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ron Mayer updated SOLR-2058:
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Attachment: pf2_with_slop.patch
This patch is my first draft at implementing this feature.
Any feedback would be appreciated.
It seems to happily turn a query like
[http://localhost:8983/solr/select?defType=edismax&fl=id,text,score&q=enterprise+search+foobar&ps=5&qf=text&debugQuery=true&pf2=name~0^5555&ps=7&pf2=name^12+name~10]
into what I believe is the desired parsed query:
+((text:enterpris) (text:search) (text:foobar)) ((name:"enterprise
search"~5^12.0) (name:"search foobar"~5^12.0)) ((name:"enterprise
search"^5555.0) (name:"search foobar"^5555.0)) ((name:"enterprise search"~10)
(name:"search foobar"~10))
which looks like it should give a high boost to docs where both words appear
right next to each other, but still substantial boosts to docs where the pairs
of words are a few words apart.
> Adds optional "slop" to "pf2", "pf3" and "pf" parameters
> ---------------------------------------------------------
>
> Key: SOLR-2058
> URL: https://issues.apache.org/jira/browse/SOLR-2058
> Project: Solr
> Issue Type: Improvement
> Components: SearchComponents - other
> Affects Versions: 3.1, 4.0
> Environment: n/a
> Reporter: Ron Mayer
> Priority: Minor
> Attachments: pf2_with_slop.patch
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3c4c659119.2010...@0ape.com%3e
> {quote}
> From Ron Mayer <r...@0ape.com>
> my results might
> be even better if I had a couple different "pf2"s with different "ps"'s
> at the same time.
> In particular. One with ps=0 to put a high boost on ones the have
> the right ordering of words. For example insuring that:
> "red hat black jacket"
> boosts only red hats and not black hats.
> And another pf2 with a more modest boost with ps=5 or so to handle
> the query above also boosting docs with "red baseball hat".
> {quote}
> [http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3caanlktimd+v3g6d_mnhp+jykkd+dej8fvmvf_1lqoi...@mail.gmail.com%3e]
> {quote}
> From Yonik Seeley <yo...@lucidimagination.com>
> Perhaps fold it into the pf/pf2 syntax?
> pf=text^2 // current syntax... makes phrases with a boost of 2
> pf=text~1^2 // proposed syntax... makes phrases with a slop of 1 and
> a boost of 2
> That actually seems pretty natural given the lucene query syntax - an
> actual boosted sloppy phrase query already looks like
> text:"foo bar"~1^2
> -Yonik
> http
> {quote}
> [http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3calpine.deb.1.10.1008161300510.6...@radix.cryptio.net%3e]
> {quote}
> From Chris Hostetter <hossman_luc...@fucit.org>
> Big +1 to this idea ... the existing "ps" param can stick arround as the
> default for any field that doesn't specify it's own slop in the pf/pf2/pf3
> fields using the "~" syntax.
> -Hoss
> {quote}
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