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From Nigel V Thomas <>
Subject Relevance ranking calculation based on filtered document count
Date Mon, 01 Jul 2013 11:38:39 GMT

I would like to know if it is possible to calculate the relevance ranks of
documents based on filtered document count?
The current filter implementations as far as I know, seems to be applied
after the query is processed and ranked against the full set of documents.
Since system wide IDF values are used to rank documents, the resulting
ordering is different from a set whose range is restricted only to the
filtered set of documents.

Many thanks,


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