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https://issues.apache.org/jira/browse/LUCENE-2091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12842232#action_12842232
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Vinay Setty commented on LUCENE-2091:
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I am trying to compile the BM25 classes for Lucene using the source code in
http://nlp.uned.es/~jperezi/Lucene-BM25/jar/models.jar. But it wouldn't compile
with later vesrion of Lucene i.e. lucene-3.0.1. I see that many of the
interfaces org.apache.lucene.search.Query, org.apache.lucene.search.Scorer, and
org.apache.lucene.search.Weight are all changed. Does anyone have a modified
version of BM25 classes which works with latest version of Lucene?
> Add BM25 Scoring to Lucene
> --------------------------
>
> Key: LUCENE-2091
> URL: https://issues.apache.org/jira/browse/LUCENE-2091
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/*
> Reporter: Yuval Feinstein
> Priority: Minor
> Fix For: 3.1
>
> Attachments: LUCENE-2091.patch, persianlucene.jpg
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> http://nlp.uned.es/~jperezi/Lucene-BM25/ describes an implementation of
> Okapi-BM25 scoring in the Lucene framework,
> as an alternative to the standard Lucene scoring (which is a version of mixed
> boolean/TFIDF).
> I have refactored this a bit, added unit tests and improved the runtime
> somewhat.
> I would like to contribute the code to Lucene under contrib.
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