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https://issues.apache.org/jira/browse/SOLR-2764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199235#comment-13199235
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Robert Muir commented on SOLR-2764:
-----------------------------------
Jan, i wasn't trying to be critical about these endings, because of course some
of the existing light stemmers
have a few _selected_ derivational endings that are taken care of. And thats
really what its all about,
when we are talking about something like adjective->noun, I didnt mean to say
we shouldn't do it, because
it sounds quite reasonable: but we should explore the options.
For example, as an alternative to multi-pass, a 'less elegant to some' but
really practical way to go about it
can be to 'multiply through' and convert the possibilities to single-pass.
E.g. the typical 'undrinkables' hunspell example: if i have the english
inflectional plural ending -s and the
derivational ending -able, instead of:
* pass 1: remove inflectional endings (e.g. -s)
* pass 2: remove derivational endings (e.g. -able)
we just take all the pass 2 endings that are compatible with pass 1 endings and
cross-multiply, to make a single
pass algorithm. some won't be compatible, (so we won't combine -able + -s into
-ables).
I'm not sure if this is helpful for the norwegian case as I'm not as familiar
with it, just an idea.
> Create a NorwegianLightStemmer and NorwegianMinimalStemmer
> ----------------------------------------------------------
>
> Key: SOLR-2764
> URL: https://issues.apache.org/jira/browse/SOLR-2764
> Project: Solr
> Issue Type: New Feature
> Components: Schema and Analysis
> Reporter: Jan Høydahl
> Fix For: 3.6, 4.0
>
> Attachments: SOLR-2764.patch, SOLR-2764.patch, SOLR-2764.patch,
> SOLR-2764.patch
>
>
> We need a simple light-weight stemmer and a minimal stemmer for
> plural/singlular only in Norwegian
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