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Saturday, August 11, 2007
Greg Linden reviews a paper by MSN scientists that shows some interesting things about search personalization. When "click entropy" is high (people are exhibiting a lot of different behaviors in response to the set of results, as opposed to clicking on the first one because it's the best), personalization is warranted and helpful.
Another finding is that fine-grained, click-based approaches to personalization are better than profile-based approaches.
This must have been what I was getting at when I was underwhelmed by Google's beta of so-called personalized search a couple of years ago (it was based on a very simple profile approach), but then of course I rambled off on another tangent. Looks like MSN and Linden have captured the essence of the problem.Labels: search personalization
Posted by
Andrew Goodman
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