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From Mathieu Lecarme <>
Subject Re: stemming in Lucene
Date Wed, 02 Apr 2008 11:56:21 GMT
Wojtek H a écrit :
> Hi all,
> Snowball stemmers are part of Lucene, but for few languages only. We
> have documents in various languages and so need stemmers for many
> languages (in particular polish). One of the ideas is to use ispell
> dictionaries. There are ispell dicts for many languages and so this
> solution is good for multilingual environment. Maybe this is not
> perfect place to ask, but does anyone know about java stemmer using
> ispell dicts?
> There is aspell-like java spell-checker (Jazzy) but I could not see
> how to use it for stemming. We are considering porting part of
> postgres tsearch module to java, because tsearch uses ispell dicts for
> stemming.
> But maybe there is a better way or there are people working on
> something like that?
ispell data is nice for phonetic, and for enumerate a huge list of 
words. The ispell dictionnary is one way : pseudo root => word, it looks 
hard to build the inverse function, lemme is splitted in multiple affix. 
But it can be used to find rules, just like do.


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