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From xiong <>
Subject Re: How to customize scoring using user feedback?
Date Fri, 16 Mar 2007 09:41:25 GMT
daniel rosher <daniel.rosher <at>> writes:

> We regularly open a new IndexReader, and before this reader replaces the
> production one, we determine f(D) for all documents so that for the user
> there is almost no performance issue,i.e. f(D) is cached. I suspect you
> can implement something similar.
> Cheers,
> Dan

But if f(D) is dependent on the query, how can it be precomputed and cached?
Can I get a sorted hits enumerator from IndexReader, and just compute the scores
of the top N hits and resort them?


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