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From "Stefan Pohl (JIRA)" <>
Subject [jira] [Created] (LUCENE-4100) Maxscore - Efficient Scoring
Date Sat, 02 Jun 2012 15:39:23 GMT
Stefan Pohl created LUCENE-4100:

             Summary: Maxscore - Efficient Scoring
                 Key: LUCENE-4100
             Project: Lucene - Java
          Issue Type: Improvement
          Components: core/codecs, core/query/scoring, core/search
    Affects Versions: 4.0
            Reporter: Stefan Pohl
             Fix For: 4.0

At Berlin Buzzwords 2012, I will be presenting 'maxscore', an efficient algorithm firstly
published in the IR domain in 1995 by H. Turtle & J. Flood, that I find deserves more
attention among Lucene users (and developers).
I implemented a proof of concept and did some performance measurements with example queries
and lucenebench, the package of Mike McCandless, resulting in very significant speedups.

This ticket is to get started the discussion on including the implementation into Lucene's
codebase. Because the technique requires awareness about it from the Lucene user/developer,
it seems best to become a contrib/module package so that it consciously can be chosen to be

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