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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-557) search vs explain - score discrepancies
Date Fri, 12 May 2006 19:50:09 GMT
     [ http://issues.apache.org/jira/browse/LUCENE-557?page=all ]

Hoss Man updated LUCENE-557:
----------------------------

    Attachment: LUCENE-557-BooleanQuery-explain-fix.patch

Some fixes to BooleanQuery to make BooleanWeight.explain work correctly in more cases: specifically
when minNrShouldMatch is non zero, nd when there are required or prohibited clauses.  In general,
the Explanation now contains more information in the non-matching situations.

This patch does not fix situations where a clause of the BooleanQuery matches on a document,
but does so with a score of 0.0 (ie: a sub query with a boost of 0)

This patch has no dependencies on any other patches.

> search vs explain - score discrepancies
> ---------------------------------------
>
>          Key: LUCENE-557
>          URL: http://issues.apache.org/jira/browse/LUCENE-557
>      Project: Lucene - Java
>         Type: Bug

>   Components: Search
>     Reporter: Hoss Man
>  Attachments: LUCENE-557-BooleanQuery-explain-fix.patch, LUCENE-557-modify-existing-tests.patch,
LUCENE-557-modify-existing-tests.patch, LUCENE-557-newtests.zip, LUCENE-557-newtests.zip
>
> I'm on a mission to demonstrate (and then hopefully fix) any inconsistencies between
the score you get for a doc when executing a search, and the score you get when asking for
an explanation of the query for that doc.

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