Mobasher, B.; Jannach, D.; Geyer, W.; Freyne, J.; Hotho, A.; Anand, S. S. & Guy, I., ed. (2013), Proceedings of the Fifth ACM RecSys Workshop on Recommender Systems and the Social Web co-located with the 7th ACM Conference on Recommender Systems (RecSys 2013), Hong Kong, China, October 13, 2013. , Vol. 1066 , CEUR-WS.org .