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https://issues.apache.org/jira/browse/LUCENE-1758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736124#action_12736124
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Robert Muir commented on LUCENE-1758:
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I am curious, could this be considered for 2.9?
Mostly because Arabic Analyzer is unreleased (so no back compat issues): I
think the combination of لل + stopwords improvement will really help.
More details are available at:
http://www.mtholyoke.edu/~lballest/Pubs/arab_stem05.pdf
> 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
> Priority: Minor
> Attachments: 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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