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From Michael Kuhlmann <>
Subject Re: Score cutoff
Date Tue, 04 May 2010 07:46:15 GMT
Am 03.05.2010 23:32, schrieb Satish Kumar:
> Hi,
> Can someone give clues on how to implement this feature? This is a very
> important requirement for us, so any help is greatly appreciated.


I just implemented exactly this feature. You need to patch Solr to make
this work.

We at Zalando are planning to set up a technology blog where we'll offer
such tools, but at the moment this is not done. I can make a patch out
of my work and send it to you today.


> On Tue, Apr 27, 2010 at 5:54 PM, Satish Kumar <
>> wrote:
>> Hi,
>> For some of our queries, the top xx (five or so) results are of very high
>> quality and results after xx are very poor. The difference in score for the
>> high quality and poor quality results is high. For example, 3.5 for high
>> quality and 0.8 for poor quality. We want to exclude results with score
>> value that is less than 60% or so of the first result. Is there a filter
>> that does this? If not, can someone please give some hints on how to
>> implement this (we want to do this as part of solr relevance ranking so that
>> the facet counts, etc will be correct).
>> Thanks,
>> Satish

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