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From Lance Norskog <>
Subject Re: Adaptive search?
Date Tue, 22 Dec 2009 22:39:30 GMT

Siddhant: Another problem to watch out for is the feedback problem:
someone clicks on a link and it automatically becomes more
interesting, so someone else clicks, and it gets even more
interesting... So you need some kind of suppression. For example, as
individual clicks get older, you can push them down. Or you can put a
cap on the number of clicks used to rank the query.

On Tue, Dec 22, 2009 at 2:36 AM, Siddhant Goel <> wrote:
> On Tue, Dec 22, 2009 at 12:01 PM, Ryan Kennedy <> wrote:
>> This approach will be limited to applying a "global" rank to all the
>> documents, which may have some unintended consequences. The most
>> popular document in your index will be the most popular, even for
>> queries for which it was never clicked on.
> Right. Makes so much sense. Thanks for sharing.
> --
> - Siddhant

Lance Norskog

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