R. Krestel, P. Fankhauser, и W. Nejdl. RecSys '09: Proceedings of the third ACM conference on Recommender systems, стр. 61--68. New York, NY, USA, ACM, (2009)
R. Krestel, P. Fankhauser, и W. Nejdl. RecSys '09: Proceedings of the third ACM conference on Recommender systems, стр. 61--68. New York, NY, USA, ACM, (2009)