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Posted to dev@lucene.apache.org by bu...@apache.org on 2005/02/09 18:31:41 UTC

DO NOT REPLY [Bug 33472] New: - disable coord for generated BooleanQueries

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http://issues.apache.org/bugzilla/show_bug.cgi?id=33472

           Summary: disable coord for generated BooleanQueries
           Product: Lucene
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Search
        AssignedTo: lucene-dev@jakarta.apache.org
        ReportedBy: cutting@apache.org


Here's a patch that disables Similiarty.coord() in the scoring of most
automatically generated boolean queries.  The coord() score factor is
appropriate when clauses are independently specified by a user, but is usually
not appropriate when clauses are generated automatically, e.g., by a fuzzy,
wildcard or range query.  Matches on such automatically generated queries are
currently penalized for not matching all terms.

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