Simply multi-word synonyms are recommended to use at index time. As explained here: http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.SynonymFilterFactory
--- On Wed, 9/7/11, roySolr <royrutten1...@gmail.com> wrote: > From: roySolr <royrutten1...@gmail.com> > Subject: Synonyms problem > To: solr-user@lucene.apache.org > Date: Wednesday, September 7, 2011, 1:46 PM > hello, > > I have some problems with synonyms. I will show some > examples to descripe > the problem: > > Data: > > High school Lissabon > High school Barcelona > University of applied science > > When a user search for IFD i want all the results back. So > i want to use > this synonyms at query time: > > IFD => high school lissabon, high school > barcelona,University of applied > science > > > The data is stored in the field "schools". > > Schools type looks like this: > > <fieldType name="schools" > class="solr.TextField" > positionIncrementGap="100"> > <analyzer type="index"> > <charFilter > class="solr.HTMLStripCharFilterFactory"/> > <tokenizer > class="solr.PatternTokenizerFactory" pattern="\s|,|-" /> > <filter > class="solr.LowerCaseFilterFactory"/> > </analyzer> > <analyzer type="query"> > <charFilter > class="solr.HTMLStripCharFilterFactory"/> > <tokenizer > class="solr.PatternTokenizerFactory" pattern="\s|,|-" /> > <filter > class="solr.LowerCaseFilterFactory"/> > <filter > class="solr.SynonymFilterFactory" synonyms="synonyms.txt" > ignoreCase="true" expand="false"/> > </analyzer> > </fieldType> > > > AS you can see i use some pattern tokenizer which splits on > whitespace. When > i use the synonyms at query time the > analytics show me this: > > high | school > | lissabon | science > high | school > | barcelona | > university | of > | applied | > > When i search for IFD i get no results. I found this in > debugQuery: > > schools:"(high high university) (school school of) > (lissaban barcelona > applied) (science)" > > With this i see the problem: solr tries a lot of > combinations but not the > right one. I thought i could > escape the whitespaces in the synonyms(High\ school\ > Lissabon). Then the > analytics shows me better results: > > High school Lissabon > High school Barcelona > University of applied science > > Then SOLR search for "high school Lissabon" but in my index > it is tokenized > on whitespace, still no results. > > > I'm stuck, can someone help me?? > > Thanks > R > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Synonyms-problem-tp3316287p3316287.html > Sent from the Solr - User mailing list archive at > Nabble.com. >
