Restricted Boltzmann Machines for Collaborative Filtering Ruslan Salakhutdinov rsalakhu@cs.toronto.edu Andriy Mnih amnih@cs.toronto.edu Geoffrey Hinton hinton@cs.toronto.edu University of Toronto, 6 King’s College Rd., Toronto, Ontario M5S 3G4, Canada Abstract Most of the existing approaches to collab- orative filtering cannot handle very large data sets. In this paper we show how a class of two-la