1. Bobadilla, J., Ortega, F., Hernando, A., Gutiérrez, A.: Recommender systems survey. Knowl. Based Syst. 46, 109–132 (2013)
2. Su, X., Khoshgoftaar, T.M.: A survey of collaborative filtering techniques. Adv. Artif. Intell. 2009, 1–19 (2009)
3. Sarwar, B.M., Karypis, G., Konstan, J., Riedl, J.: Recommender systems for large-scale e-commerce: scalable neighborhood formation using clustering. In: International Conference on Computer and Information Technology. IEEE, Dhaka (2002)
4. Gong, S.: A collaborative filtering recommendation algorithm based on user clustering and item clustering. JSW 5(7), 745–752 (2010)
5. Dempster, A.P.: A generalization of bayesian inference. J. R. Stat. Soc. Ser. B (Methodol.) 30, 205–247 (1968)