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Posted to dev@lucene.apache.org by "Jim Ferenczi (JIRA)" <ji...@apache.org> on 2018/08/07 08:01:00 UTC

[jira] [Updated] (LUCENE-8204) ReqOptSumScorer should leverage sub scorers' per-block max scores

     [ https://issues.apache.org/jira/browse/LUCENE-8204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jim Ferenczi updated LUCENE-8204:
---------------------------------
    Attachment: LUCENE-8204.patch

> ReqOptSumScorer should leverage sub scorers' per-block max scores
> -----------------------------------------------------------------
>
>                 Key: LUCENE-8204
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8204
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-8204.patch, LUCENE-8204.patch, LUCENE-8204.patch
>
>
> Currently it only looks at max scores on the entire segment. Given that per-block max scores usually give lower upper bounds of the score, this should help.
> This is especially important for LUCENE-8197 to work well since the main query would typically be added as a MUST clauses of a boolean query while the query that scores on features would be a SHOULD clause.



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