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From "Upayavira (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-5827) Add boosting functionality to MoreLikeThisHandler
Date Fri, 07 Mar 2014 10:27:45 GMT
Upayavira created SOLR-5827:
-------------------------------

             Summary: Add boosting functionality to MoreLikeThisHandler
                 Key: SOLR-5827
                 URL: https://issues.apache.org/jira/browse/SOLR-5827
             Project: Solr
          Issue Type: Improvement
          Components: MoreLikeThis
            Reporter: Upayavira
             Fix For: 4.8


The MoreLikeThisHandler facilitates the creation of a very simple yet powerful recommendation
engine. 

It is possible to constrain the result set using filter queries. However, it isn't possible
to influence the scoring using function queries. Adding function query boosting would allow
for including such things as recency in the relevancy calculations.

Unfortunately, the boost= parameter is already in use, meaning we cannot replicate the edismax
boost/bf for additive/multiplicative boostings.

My patch only touches the MoreLikeThisHandler, so the only really contentious thing is to
decide the parameters to configure it.

I have a prototype working, and will upload a patch shortly. 




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