Hello, I am trying to find a solution for a specific search context that is not working the way I expect it to work. Let me explain in detail: The setup I have a Solr instance setup with data (about 3.5 million documents). The schema has been setup with searchable text fields etc; One of the fields is called the Title which contains the title of the document.
Search Context: On finding that support for multi-word synonyms in Solr is problematic, we are using using query based approach for dealing with synonyms. For a given search term, the search process is: 1. Identify the synonyms of the search term from a non-Solr source 2. String together the search term and synonyms as the basis for Solr search (in the form "srch term" "synonym a" "synonym b") 3. Influence the results with two boost factors: a. Using bq and the search text in the form bq= (srch+term+synonym+a+synonym+b)^10 b. Using bf on a field bf=product(EarnFactor,0.15) As you can see the idea behind the use of synonyms is to ensure that the user entered term and its variations are used in searching for matches; and the use of bq on the title is for the very same reason. The results returned by Solr are not per expectations and based on experimentation the observation is that the bq boost is the reason for this; if the bq boost is taken away, the results look decent, but the weightage that we are looking to assign for the term in the title is being completely lost. Then we set the bq with the user entered term alone and the results seem decent but the shortcoming is that the titles with the equivalent terms are not in the mix. While in the search context we are able to use/leverage the term based search text (search text within quotes), the bq boost does not seem to work with terms and that appears to be the source of our problem. I tried changing the search parameters so that individual bq's were used for the search term and it synonyms but that does not change the results in any manner. The desire is that we would like to boost the score of a document should any of the terms used in the search appear in the title. Any help in this context would be great. I don't believe I can claim this to be a bug, because the documentation for bq does not describe the capability from a term perspective. It could be an enhancement request however. We are using Solr 4.8. We were compelled to switch back from 6.2 to 4.8 because of performance issues with Group Facet. Thanks & Regards Shankar Krish
