BLIP
Yahoo seems to be particularly keen on having and most likely using in-house data on relevancy of their SEPR by tracking user clicks. It is undeniable that they get this data, the question is how exactly they use it?
My take is that this data can not be used in an obvious way – you get more clicks you rank a step higher as if it was so it would inevitably switch on some sort of a positive feedback and eventually freeze the top ten result pages with the same results in the same order forever.
On the other hand this kind of data can be quite useful in cathegorizing the sites which can be used in clustering them according to subjects and categories (remember directory structure) as well as determining their linking potential and relevancy.
tags: blip
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