A method includes: obtaining first click distribution data for a first subset of a plurality of media items, each of which is associated with one or more item categories, determining from the first click distribution data likelihood of a generic user selecting media items associated with at least a subset of the item categories, obtaining second click distribution data from a particular user for a second subset of the plurality of media items, determining, based on differences between the first and second click distribution data, an adjusted likelihood of the particular user selecting media items associated with the at least a subset of the item categories, and transmitting, based on the adjusted likelihood, to a client device associated with the particular user recommendations related to a third subset of the plurality of media items and respective item categories thereof.
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