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https://issues.apache.org/jira/browse/LUCENE-9410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17217670#comment-17217670
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Mike Drob commented on LUCENE-9410:
-----------------------------------
Thank you for your contribution!
For the French part of this, is that the same as
https://github.com/snowballstem/snowball/issues/91 ?
I don't see a comparable German case reported, maybe you can open a new issue
with Snowball at the same repo.
Once they release an update, we can consume it. Typically we don't make changes
on top of what Snowball provides.
> German/French stemmers fail for common forms maux, gegrüßt, grüßend,
> schlummert
> -------------------------------------------------------------------------------
>
> Key: LUCENE-9410
> URL: https://issues.apache.org/jira/browse/LUCENE-9410
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: 8.5
> Environment: Elasticsearch 7.7.1 running on cloud.elastic.co
> Reporter: Ben Kazez
> Priority: Critical
> Labels: french, german, stemmer, stemming
> Time Spent: 10m
> Remaining Estimate: 0h
>
> I'm using Lucene via Elasticsearch 7.7.1. German and French stemmers (either
> via the Snowball analyzer, or the "light" or "heavy" stemming analyzers) are
> failing to understand some common forms:
> French:
> - "maux" (plural) should match "mal" (singular) but instead "maux" is
> unchanged
> German:
> - "schlummert" should match "schlummern" (infinitive) but instead is
> unchanged
> - "grüßend" should match "grüßen" (infinitive) but instead yields "grussend"
> - "gegrüßt" should match "grüßen" (infinitive) but instead yields
> "gegrusst"
> The Elasticsearch folks
> [said|https://discuss.elastic.co/t/better-french-and-german-stemming/236283]
> I should file a bug with Lucene.
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