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From "Tommaso Teofili (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SOLR-5827) Add boosting functionality to MoreLikeThisHandler
Date Mon, 10 Mar 2014 16:30:48 GMT

     [ https://issues.apache.org/jira/browse/SOLR-5827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tommaso Teofili reassigned SOLR-5827:
-------------------------------------

    Assignee: Tommaso Teofili

> 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
>            Assignee: Tommaso Teofili
>             Fix For: 4.8
>
>         Attachments: SOLR-5827.patch, SOLR-5827.patch
>
>
> 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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