Funny, I expected everyone would jump on this thread considering so many people hit this multi-word synonym issue...
Mikhail, I looked at the slides and while I understand that use case well, I don't see where query-time multi-word synonyms come into play. Please enlighten me :) Thanks! Otis Solr & ElasticSearch Support http://sematext.com/ On Jan 22, 2013 1:48 PM, "Mikhail Khludnev" <mkhlud...@griddynamics.com> wrote: > FWIW, multi-word synonyms is a side benefit of query parsing approach > implemented by my team. > Here how it looks like > https://docs.google.com/a/griddynamics.com/presentation/pub?id=1oifLFI0MiA3ZyXZWisHJVRK13P8cki5yCABvABPObKw&start=false&loop=false&delayms=3000#slide=id.g1006de00_2_34"fee > people" frequent typo has been substituted to the correct brand. > Five previous slides depicts the approach, the main idea is get rid of old > good Boolean retrieval, and introduce own notion of matching. > I can share more details if you wish. > > > On Tue, Jan 22, 2013 at 7:17 PM, Otis Gospodnetic < > otis.gospodne...@gmail.com> wrote: > >> Hello, >> >> I'm looking for some guidance around solving the infamous index-time vs. >> query-time multi-word synonym problem. Looking for help with understanding >> the pieces and effort involved, and also being on a lookout for any >> potential "man, it will take you forever, you'll have to do major Lucene >> surgery" type of warnings. >> >> I never looked deeply into this problem and my understanding is that >> multi-word synonyms don't work at query-time because QueryParser(?) simply >> breaks queries on spaces and thus makes it impossible for >> SynonymTokenFilter (?) to "see" the non-broken-up token sequence and do >> synonym expansion. >> >> I think this is also documented on the Wiki. >> Are there other pieces involved that I didn't mention, but should have? >> >> The following are 3 different efforts I found: >> https://issues.apache.org/jira/browse/LUCENE-4499 >> http://nolanlawson.com/2012/10/31/better-synonym-handling-in-solr/ >> http://www.ub.uni-bielefeld.de/~befehl/base/solr/eurovoc.html >> >> Plus Jack's proposal: >> http://search-lucene.com/m/Zkj0k15dDGP1 >> >> Does any of the above approaches sound like the right one, or at least in >> the right direction, and stands the chance of being accepted? >> >> Thanks, >> Otis >> >> > > > -- > Sincerely yours > Mikhail Khludnev > Principal Engineer, > Grid Dynamics > > <http://www.griddynamics.com> > <mkhlud...@griddynamics.com> >
