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Date: Tue, 24 May 2011 08:19:47 +0000 (UTC)
From: "Ron Mayer (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: 
 <250982943.38578.1306225187701.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Issue Comment Edited] (SOLR-2058) Adds optional "phrase
 slop" to edismax "pf2", "pf3" and "pf" parameters with field~slop^boost
 syntax
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    [ https://issues.apache.org/jira/browse/SOLR-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13038437#comment-13038437 ] 

Ron Mayer edited comment on SOLR-2058 at 5/24/11 8:18 AM:
----------------------------------------------------------

Nick, thanks!  Glad you like it.

I'm keeping a version that's kept more up-to-date with trunk on github here:
https://github.com/ramayer/lucene-solr/tree/solr_2058_edismax_pf2_phrase_slop

(though I must admit I've tested that less than an internal fork of trunk we made in Sep 2010 and deployed with only a few additional cherry-picked patches)

      was (Author: ramayer):
    Nick, thanks!  Glad you like it.

I'm keeping a version that's kept more up-to-date with trunk on github here:
https://github.com/ramayer/lucene-solr/tree/solr_2058_edismax_pf2_phrase_slop


> Adds optional "phrase slop" to edismax "pf2", "pf3" and "pf" parameters with field~slop^boost syntax
> ----------------------------------------------------------------------------------------------------
>
>                 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: edismax_pf_with_slop_v2.1.patch, edismax_pf_with_slop_v2.patch, pf2_with_slop.patch
>
>
> http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3C4C659119.2010007@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 [the query]:
>   "red hat black jacket"
>  boosts only documents with "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_1LQoiLBU@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
> {quote}
> [http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201008.mbox/%3Calpine.DEB.1.10.1008161300510.6335@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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