Biyun Hu, Zhoujun Li, Wen-Han Chao. Data Sparsity: A Key Disadvantage of User-Based Collaborative Filtering?. In Quan Z. Sheng, Guoren Wang, Christian S. Jensen, Guandong Xu, editors, Web Technologies and Applications - 14th Asia-Pacific Web Conference, APWeb 2012, Kunming, China, April 11-13, 2012. Proceedings. Volume 7235 of Lecture Notes in Computer Science, pages 602-609, Springer, 2012. [doi]
Abstract is missing.