Bill Bell created SOLR-3931:
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Summary: Turn off coord() factor for scoring
Key: SOLR-3931
URL: https://issues.apache.org/jira/browse/SOLR-3931
Project: Solr
Issue Type: Bug
Affects Versions: 4.0
Reporter: Bill Bell
We would like to remove coordination factor from scoring.
FOr small fields (like name of doctor), we want to not score higher if the same
term is in the field more than once. Makes sense for books, not so much for
formal names.
/solr/select?q=*:*&coordFactor=false
Default is true.
(Note: we might want to make each of these optional - tf, idf, coord, queryNorm
coord(q,d) is a score factor based on how many of the query terms are found in
the specified document. Typically, a document that contains more of the query's
terms will receive a higher score than another document with fewer query terms.
This is a search time factor computed in coord(q,d) by the Similarity in effect
at search time.
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