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https://issues.apache.org/jira/browse/LUCENE-6138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Massimo Pasquini updated LUCENE-6138:
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Summary: ItalianLightStemmer doesn't apply on words shorter then 6 chars in
length (was: ItalianLightStemmer)
> ItalianLightStemmer doesn't apply on words shorter then 6 chars in length
> -------------------------------------------------------------------------
>
> Key: LUCENE-6138
> URL: https://issues.apache.org/jira/browse/LUCENE-6138
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: 4.10.2
> Reporter: Massimo Pasquini
> Priority: Minor
>
> I expect a stemmer to transform nouns in their singular and plural forms into
> a shorter common form. The implementation of the ItalianLightStemmer doesn't
> apply any stemming to words shorter then 6 characters in length. This leads
> to some annoying results:
> singular form | plural form
> 4|5 chars in length (no stemming)
> alga -> alga | alghe -> alghe
> fuga -> fuga | fughe -> fughe
> lega -> lega | leghe -> leghe
> 5|6 chars in length (stemming only on plural form)
> vanga -> vanga | vanghe -> vang
> verga -> verga | verghe -> verg
> I suppose that such limitation on words length is to avoid other side effects
> on shorter words not in the set above, but I think something must be reviewed
> in the code for better results.
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