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https://issues.apache.org/jira/browse/LUCENE-6138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14259684#comment-14259684
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Erick Erickson commented on LUCENE-6138:
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Right, the important part of the discussion (I should have pointed it out) was
that the stemmers are not part of the Solr code base, they're another project
and that project would be the place to raise possible bugs or submit patches,
bq: Can you propose your changes to
http://members.unine.ch/jacques.savoy/clef/index.html?
Sorry for the confusion
> 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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