Harald Steck. Training and testing of recommender systems on data missing not at random. In Bharat Rao, Balaji Krishnapuram, Andrew Tomkins, Qiang Yang, editors, Proceedings of the 16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, Washington, DC, USA, July 25-28, 2010. pages 713-722, ACM, 2010. [doi]
Abstract is missing.