Baruch Awerbuch, Boaz Patt-Shamir, David Peleg, Mark R. Tuttle. Improved recommendation systems. In Proceedings of the Sixteenth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2005, Vancouver, British Columbia, Canada, January 23-25, 2005. pages 1174-1183, SIAM, 2005. [doi]
Abstract is missing.