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From "Ron Mayer (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-2058) Adds optional "phrase slop" to edismax "pf2", "pf3" and "pf" parameters with field~slop^boost syntax
Date Thu, 19 Aug 2010 19:40:21 GMT

     [ https://issues.apache.org/jira/browse/SOLR-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ron Mayer updated SOLR-2058:
----------------------------

    Summary: Adds optional "phrase slop" to edismax "pf2", "pf3" and "pf" parameters with
field~slop^boost syntax  (was: Adds optional "phrase slop" to "pf2", "pf3" and "pf" parameters
with field~slop^boost syntax)

> 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: 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:
>   "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_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
> http
> {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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