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From Doug Turnbull <dturnb...@opensourceconnections.com>
Subject Re: Solr Support for BM25F
Date Thu, 14 Apr 2016 16:48:02 GMT
Hey David

You can configure BM25 differently for each field by configuring the
similarity per field type, as shown here in this example from the Solr tests

https://github.com/sudarshang/lucene-solr/blob/master/solr/core/src/test-files/solr/conf/schema-bm25.xml#L32

On Thu, Apr 14, 2016 at 12:41 PM, David Cawley <david.cawley5@mail.dcu.ie>
wrote:

> Hello,
> I am developing an enterprise search engine for a project and I was hoping
> to implement BM25F ranking algorithm to configure the tuning parameters on
> a per field basis. I understand BM25 similarity is now supported in Solr
> but I was hoping to be able to configure k1 and b for different fields such
> as title, description, anchor etc, as they are structured documents.
> I am fairly new to Solr so any help would be appreciated. If this is
> possible or any steps as to how I can go about implementing this it would
> be greatly appreciated.
>
> Regards,
>
> David
>
> Current Solr Version 5.4.1
>



-- 
*Doug Turnbull **| *Search Relevance Consultant | OpenSource Connections
<http://opensourceconnections.com>, LLC | 240.476.9983
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