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From "alexey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-6600) configurable relevance impact of phrases for edismax
Date Wed, 08 Oct 2014 14:50:34 GMT

    [ https://issues.apache.org/jira/browse/SOLR-6600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14163566#comment-14163566
] 

alexey commented on SOLR-6600:
------------------------------

Yes, Jan H√łydahl, thanks for pointing this out. Looks like this issue is a duplicate for
SOLR-6062.

> configurable relevance impact of phrases for edismax
> ----------------------------------------------------
>
>                 Key: SOLR-6600
>                 URL: https://issues.apache.org/jira/browse/SOLR-6600
>             Project: Solr
>          Issue Type: Improvement
>          Components: query parsers
>    Affects Versions: 4.9
>            Reporter: alexey
>              Labels: edismax
>
> Currently solr has a tie breaker parameter which control how to aggregate relevance score
for search hits.
> But score for fields (pf, pf2, pf3) are always summed up. 
> The goal of the patch is to wrap phrase clauses into single dismax clause instead of
multipe ones
> Before patch
> +(
>      DisjunctionMaxQuery((Body:james | Title:james)~tie_breaker)
>     DisjunctionMaxQuery((Body:kirk | Title:kirk)~tie_breaker))
> )
> DisjunctionMaxQuery((Body:"james kirk")~tie_breaker)
> DisjunctionMaxQuery((Title:"james kirk")~tie_breaker)
> after patch
> +(
>      DisjunctionMaxQuery((Body:james | Title:james)~tie_breaker)
>     DisjunctionMaxQuery((Body:kirk | Title:kirk)~tie_breaker))
>   )
> DisjunctionMaxQuery((Body:"james kirk" | Title:"james kirk") ~tie_breaker)



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