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https://issues.apache.org/jira/browse/LUCENE-2234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-2234:
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Attachment: LUCENE-2234.patch
> Hindi Analyzer
> --------------
>
> Key: LUCENE-2234
> URL: https://issues.apache.org/jira/browse/LUCENE-2234
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Reporter: Robert Muir
> Priority: Minor
> Fix For: 3.1
>
> Attachments: LUCENE-2234.patch
>
>
> An analyzer for hindi.
> below are MAP values on the FIRE 2008 test collection.
> QE means expansion with morelikethis, all defaults, on top 5 docs.
> ||setup||T||T(QE)||TD||TD(QE)||TDN||TDN(QE)||
> |words only|0.1646|0.1979|0.2241|0.2513|0.2468|0.2735|
> |HindiAnalyzer|0.2875|0.3071|0.3387|*0.3791**|0.3837|0.3810|
> |improvement|74.67%|55.18%|51.14%|50.86%|55.47%|39.31%|
> * TD was the official measurement, highest score for this collection in FIRE
> 2008 was 0.3487: http://www.isical.ac.in/~fire/paper/mcnamee-jhu-fire2008.pdf
> needs a bit of cleanup and more tests
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