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From Renaud Richardet <renaud.richar...@gmail.com>
Subject Re: ConceptMapper and stemming
Date Tue, 18 Dec 2012 15:39:58 GMT
Hi Larry,

> *         I presume I will need to stem the lookup dictionary when I
> build it.  Or can I do that at some other point in the pipeline?
ConceptMapper will do that for you at initialize()


> *         Does anyone have experience with stemming medical terms?  I
> would be running this against clinical notes typed by a physician about
> a patient.  My dictionary was built from SNOMED concepts.  Will stemming
> even help?

There is a dedicated stemmer (actually, a lemmatizer) for the
biomedical domain, you might want to take a look at it:
http://biolemmatizer.sourceforge.net/

-- Renaud

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