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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (LUCENE-1758) improve arabic analyzer: light8 -> light10
Date Wed, 05 Aug 2009 18:28:15 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir resolved LUCENE-1758.
---------------------------------

    Resolution: Fixed

committed revision 801348.

> improve arabic analyzer: light8 -> light10
> ------------------------------------------
>
>                 Key: LUCENE-1758
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1758
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/analyzers
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-1758.patch, LUCENE-1758.patch, LUCENE-1758.patch, LUCENE-1758.txt
>
>
> Someone mentioned on the java user list that the arabic analysis was not as good as they
would like.
> This patch adds the لل- prefix (light10 algorithm versus light8 algorithm).
> In the light10 paper, this improves precision from .390 to .413
> They mention this is not statistically significant, but it makes linguistic sense and
at least has been shown not to hurt.
> In the future, I hope openrelevance will allow us to try some more approaches. 

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