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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2018/03/14 13:00:00 UTC

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

Adrien Grand created LUCENE-8204:
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             Summary: 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


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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