is it possible to use wildcards in the synonyms.txt file? For example
q:AWS
synonym.txt looks like AWS,Webservice*
to match webservice and webservices.
or q:changemanagement
synonym.txt looks like changemanagement,change manager,chanagemanage*
to match changemanager and changemangerin.
I want to use the option of the SynonymGraphFilter expand=false
because with expand=true
I get too high scores.
My analyzer for index time and query time looks like following:
<analyzer type="index">
<tokenizer class="solr.WhitespaceTokenizerFactory"/>
<filter class="solr.WordDelimiterGraphFilterFactory" generateWordParts="1" generateNumberParts="0" catenateWords="1" catenateNumbers="0" catenateAll="0" splitOnCaseChange="0" preserveOriginal="1" types="types.txt"/>
<filter class="solr.LowerCaseFilterFactory"/>
</analyzer>
<analyzer type="query">
<tokenizer class="solr.WhiteSpaceTokenizerFactory"/>
<filter class="solr.SynonymGraphFilterFactory" expand="false" synonyms="synonyms.txt"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.StopFilterFactory" ignoreCase="true" words="stopwords.txt"/>
<filter class="solr.WordDelimiterGraphFilterFactory" generateWordParts="1" generateNumberParts="0" catenateWords="1" catenateNumbers="0" catenateAll="0" splitOnCaseChange="0" preserveOriginal="1" types="types.txt"/>
<filter class="solr.LowerCaseFilterFactory"/>
</analyzer>
I am not sure if I have to use the SynonymGraphFilter while indexing as well.
Thanks for help!