Patent ID: 7617127
Filing Date: 2009-11-10
Classification: G06Q

Abstract:
1. A machine-implemented method for estimating how a particular user of a plurality of users would rate a particular item, from a plurality of items, that the particular user has not yet rated, the method comprising the steps of: a computer system identifying, from the plurality of items, one or more reference items that have ratings similar to ratings of the particular item that the particular user has not yet rated; a computer system identifying, based on the one or more reference items that have ratings similar to ratings of the particular item that the particular user has not yet rated, one or more other users of the plurality of users that have given ratings to the one or more reference items that are substantially similar to ratings given by the particular user to the one or more reference items; a computer system generating an estimation of how the particular user would rate the particular item based upon ratings for the particular item given to the particular item by the one or more other users.