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From Steven Bourke <>
Subject Normalisation on Boolean Recommenders
Date Wed, 13 Jul 2011 15:23:46 GMT
Hi -

It looks like the boolean recommenders would benefit from some form of
normalisation in the predictive stage of the recommendation algorithm. An
item that is prominent in a users neighbourhood may lose out simply because
of a high similarity between two single users.

 I'm assuming there is a reason this hasn't been added previously, anyone
know why?

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