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https://issues.apache.org/jira/browse/LUCENE-7287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15338468#comment-15338468
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Michael McCandless commented on LUCENE-7287:
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bq. Or we could put it under analisys/morfologik (as a .uk subpackage) - it's 
your call.

I like this idea!

bq. If we do that will the stopwords go with the stemmer or should they live 
under common/ (as they are not morfologik-specific and may be used for other 
Ukrainian implementations)?

I think we should keep the stop-words in the same location?  I think users 
seeking Ukrainian tokenization should still be able to find them, under 
{{analysis/morfologik}}?

bq. I am also thinking if we could build generic stemmer for Ukrainian based on 
the affix rules we have in dict_uk project (they are hunspell-like but fully 
based on regular expressions which makes them way more compact).

That sounds compelling!  This would be a "light" stemmer, vs what we are adding 
for this issue (dictionary based)?  We should open a separate issue for that I 
think...

OK, I'll work on folding your project into Lucene, under {{analysis/mofologik}} 
in a {{uk}} sub-package.  Thank you for all the hard work here!

> New lemma-tizer plugin for ukrainian language.
> ----------------------------------------------
>
>                 Key: LUCENE-7287
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7287
>             Project: Lucene - Core
>          Issue Type: New Feature
>          Components: modules/analysis
>            Reporter: Dmytro Hambal
>            Priority: Minor
>              Labels: analysis, language, plugin
>
> Hi all,
> I wonder whether you are interested in supporting a plugin which provides a 
> mapping between ukrainian word forms and their lemmas. Some tests and docs go 
> out-of-the-box =) .
> https://github.com/mrgambal/elasticsearch-ukrainian-lemmatizer
> It's really simple but still works and generates some value for its users.
> More: https://github.com/elastic/elasticsearch/issues/18303



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