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From <>
Subject RE: LevenshteinFilter proposal
Date Fri, 23 Jul 2010 14:59:18 GMT

FuzzyQuery will do for my purposes, for the interim.  But I suspect that FuzzyQuery could
be made a lot more efficient if it were rebuilt on top of Automaton, no?  I understand that
this would be a trunk project.


From: ext Uwe Schindler []
Sent: Friday, July 23, 2010 10:45 AM
Subject: RE: LevenshteinFilter proposal

Automaton is only in Lucene/Solr Trunk. To get a filter out of FuzzyQuery, use MultiTermQueryWrapperFilter(new

Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen<>

From: []
Sent: Friday, July 23, 2010 4:25 PM
Subject: LevenshteinFilter proposal

Hi Folks,

I'm very interested in using (or developing!) a Levenshtein Filter within the family of Solr
Filter objects. I don't see such a class today anywhere. I see how the AutomatonQuery object
would permit such a thing to be built, but to date I don't know of anyone who has built one.
Do you?  If not, I'm willing to give it a whirl.  Also, AutomatonQuery doesn't seem to come
up when I look for it in the javadocs for Lucene - can you point me in the correct direction?

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