Akhmed Umyarov, Alexander Tuzhilin. Leveraging aggregate ratings for better recommendations. In Joseph A. Konstan, John Riedl, Barry Smyth, editors, Proceedings of the 2007 ACM Conference on Recommender Systems, RecSys 2007, Minneapolis, MN, USA, October 19-20, 2007. pages 161-164, ACM, 2007. [doi]
Abstract is missing.