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From Alexandre Rocco <>
Subject Relevancy and random sorting
Date Wed, 11 Jan 2012 13:29:20 GMT
Hello all,

Recently i've been trying to tweak some aspects of relevancy in one listing
I need to give a higher score to newer documents and also boost the
document based on a boolean field that indicates the listing has pictures.
On top of that, in some situations we need a random sorting for the records
but also preserving the ranking.

I tried to combine some techniques described in the Solr Relevancy FAQ
wiki, but when I add the random sorting, the ranking gets messy (as

This works well:

This does not work, gives a random order on what is already ranked

The only way I see is to create another field on the schema containing a
random value and use it to boost the document the same way that was tone on
the boolean field.
Anyone tried something like this before and knows some way to get it


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