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From "Stefan Pohl (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4100) Maxscore - Efficient Scoring
Date Sun, 03 Jun 2012 09:48:22 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Pohl updated LUCENE-4100:
--------------------------------

    Description: 
At Berlin Buzzwords 2012, I will be presenting 'maxscore', an efficient algorithm first 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
used.

  was:
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
used.

    
> Maxscore - Efficient Scoring
> ----------------------------
>
>                 Key: LUCENE-4100
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4100
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/codecs, core/query/scoring, core/search
>    Affects Versions: 4.0
>            Reporter: Stefan Pohl
>              Labels: api-change, patch, performance
>             Fix For: 4.0
>
>         Attachments: contrib_maxscore.tgz, maxscore.patch
>
>
> At Berlin Buzzwords 2012, I will be presenting 'maxscore', an efficient algorithm first
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
used.

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