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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5489) Add query rescoring API
Date Fri, 21 Mar 2014 10:12:46 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13942936#comment-13942936
] 

ASF subversion and git services commented on LUCENE-5489:
---------------------------------------------------------

Commit 1579914 from [~mikemccand] in branch 'dev/trunk'
[ https://svn.apache.org/r1579914 ]

LUCENE-5489: add changes

> Add query rescoring API
> -----------------------
>
>                 Key: LUCENE-5489
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5489
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.8, 5.0
>
>         Attachments: LUCENE-5489.patch, LUCENE-5489.patch, LUCENE-5489.patch, LUCENE-5489.patch
>
>
> When costly scoring factors are used during searching, a common
> approach is to do a cheaper / basic query first, collect the top few
> hundred hits, and then rescore those hits using the more costly
> query.
> It's not clear/simple to do this with Lucene today; I think we should
> make it easier.



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