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https://issues.apache.org/jira/browse/LUCENE-2959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090891#comment-13090891
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Robert Muir commented on LUCENE-2959:
-------------------------------------
There is a project here that lets you benchmark using wikipedia:
http://code.google.com/a/apache-extras.org/p/luceneutil/
You need this patch to benchmark Similarities:
http://code.google.com/a/apache-extras.org/p/luceneutil/issues/detail?id=6
(More information on how to get started here:
http://code.google.com/a/apache-extras.org/p/luceneutil/source/browse/README.txt)
> [GSoC] Implementing State of the Art Ranking for Lucene
> -------------------------------------------------------
>
> Key: LUCENE-2959
> URL: https://issues.apache.org/jira/browse/LUCENE-2959
> Project: Lucene - Java
> Issue Type: New Feature
> Components: core/query/scoring, general/javadocs, modules/examples
> Reporter: David Mark Nemeskey
> Assignee: Robert Muir
> Labels: gsoc2011, lucene-gsoc-11, mentor
> Fix For: flexscoring branch
>
> Attachments: LUCENE-2959_mockdfr.patch, implementation_plan.pdf,
> proposal.pdf
>
>
> Lucene employs the Vector Space Model (VSM) to rank documents, which compares
> unfavorably to state of the art algorithms, such as BM25. Moreover, the
> architecture is
> tailored specically to VSM, which makes the addition of new ranking functions
> a non-
> trivial task.
> This project aims to bring state of the art ranking methods to Lucene and to
> implement a
> query architecture with pluggable ranking functions.
> The wiki page for the project can be found at
> http://wiki.apache.org/lucene-java/SummerOfCode2011ProjectRanking.
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