Have you tried setting your default operator to AND in schema.xml? Best Erick
On Wed, Jun 15, 2011 at 12:36 PM, rajini maski <rajinima...@gmail.com> wrote: > ok. Thank you. I will consider this. > > One last doubt ,how do i handle negation terms? > > In the above mail as i mentioned, If i have 3 sentence like this: > > 1 .tissue devitalization was observed in hepalocytes of liver > 2. necrosis was observed in liver > 3. Necrosis not found in liver > > When i search "Necrosis not found" I need to get only the last sentence. but > now i get all the 3 results. > > I am not able to find out the list of tokens and analysers that i need to > apply in order to acheieve this desired output > > Awaiting reply > Rajani Maski > > > > > As explained in the above mail, > > On Wed, Jun 15, 2011 at 9:42 PM, Erick Erickson > <erickerick...@gmail.com>wrote: > >> Well, first it is usually unnecessary to specify the >> synonym filter both at index and query time, I'd apply >> it only at query time to start, then perhaps switch >> to index time, see the discussion at: >> >> http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#head-2c461ac74b4ddd82e453dc68fcfc92da77358d46 >> for why index-time is preferable. >> Note you'll have to re-index. >> >> That said, essentially what happens (and assuming >> synonym filter is only in the query part) is you have >> something like this as your search for "necrosis not >> found". >> >> Offset 0 offset1 offset 2 >> necrosis >> tissue devitalization not found >> cellular necrosis >> >> >> Note that one of your three synonyms must appear in position 0, >> followed by the other two terms. >> >> So your example should "just work". But as I said, it would probably >> be best if you put your synonym filter only in at index or query time. >> >> An analogous process happens if you add synonyms at index >> time. >> >> Best >> Erick >> >> On Wed, Jun 15, 2011 at 8:14 AM, rajini maski <rajinima...@gmail.com> >> wrote: >> > Erick: I have tried what you said. I needed clarification on this.. Below >> is >> > my doubt added: >> > >> > Say If i have field type : >> > >> > <fieldType name="Synonymdata" class="solr.TextField" >> > positionIncrementGap="100"> >> > <analyzer type="index"> >> > <tokenizer class="solr.WhitespaceTokenizerFactory"/> >> > <filter class="org.apache.solr.orchsynonym.OrchSynonymFilter" >> > >> synonyms="BODYTaxonomy.txt,PalpClinLocObsTaxo.txt,MacroscopicTaxonomy.txt,MicroscopicTaxonomy.txt,SpecimenTaxonomy.txt,ParameterTaxonomy.txt,StrainTaxonomy.txt" >> > ignoreCase="true" expand="true"/> >> > <filter class="solr.LowerCaseFilterFactory"/> >> > <filter class="solr.SnowballPorterFilterFactory" language="English" >> > protected="protwords.txt"/> >> > </analyzer> >> > <analyzer type="query"> >> > <tokenizer class="solr.WhitespaceTokenizerFactory"/> >> > <filter class="org.apache.solr.orchsynonym.OrchSynonymFilter" >> > >> synonyms="BODYTaxonomy.txt,PalpClinLocObsTaxo.txt,MacroscopicTaxonomy.txt,MicroscopicTaxonomy.txt,SpecimenTaxonomy.txt,ParameterTaxonomy.txt,StrainTaxonomy.txt" >> > ignoreCase="true" expand="false"/> >> > <filter class="solr.StopFilterFactory" ignoreCase="true" >> > words="stopwords.txt" enablePositionIncrements="true" /> >> > <filter class="solr.LowerCaseFilterFactory"/> >> > <filter class="solr.SnowballPorterFilterFactory" >> language="English" >> > protected="protwords.txt"/> >> > </analyzer> >> > </fieldType> >> > >> > >> > >> > The data indexed in this field is : >> > >> > sentence 1 : " tissue devitalization was noted in hepalocytes of liver" >> > sentence 2 : "Necrosis not found in liver" >> > >> > Synonyms: >> > necrosis , tissue devitalization, cellular necrosis >> > >> > How does the white space and synonym filter behave?I am not able to >> > understand in analysis page..Please let me know if it is like this that >> > works? Correct me if i am wrong.. >> > >> > sentence 1 : " tissue devitalization was noted in hepalocytes of liver" >> > >> > white space : >> > tissue >> > devitalization >> > was >> > noted >> > in >> > hepalocytes >> > of >> > liver >> > >> > Synoyms for token words: >> > No synonyms for tissue , no synonym for devitalization and so >> > on......................... >> > So does the "tissue devitalization" word will not become synonym for >> > Necrosis ?(since it is mentioned in synonym) >> > >> > If it adds as the synonym, Then how is it splitting the sentence and >> adding >> > the filter? Which is happening first? >> > >> > >> > Sentence 2: Necrosis not found in liver >> > >> > >> > white space >> > Necrosis >> > not >> > found >> > in >> > liver >> > >> > >> > Synoyms for token words: >> > synonyms for Necrosis: tissue devitalization,cellular necrosis, no >> synonym >> > for not, no synonym for found and so on......................... >> > >> > Is this correct? >> > >> > >> > My main concern is when i have 3 set of data like this: >> > >> > tissue devitalization was observed in hepalocytes of liver >> > necrosis was observed in liver >> > Necrosis not found in liver >> > >> > When i search "Necrosis not found" I need to get only the last sentence. >> > >> > I am not able to find out the list of tokens and analysers that i need to >> > apply in order to acheieve this desired output >> > >> > Awaiting reply >> > Rajani Maski >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > On Tue, Jun 14, 2011 at 3:13 PM, roySolr <royrutten1...@gmail.com> >> wrote: >> > >> >> Maybe you can try to escape the synonyms so it's no tokized by >> whitespace.. >> >> >> >> Private\ schools,NGO\ Schools,Unaided\ schools >> >> >> >> -- >> >> View this message in context: >> >> >> http://lucene.472066.n3.nabble.com/Query-on-Synonyms-feature-in-Solr-tp3058197p3062392.html >> >> Sent from the Solr - User mailing list archive at Nabble.com. >> >> >> > >> >
