@inproceedings{RecSys-2013-GuoZTY,
	author        = "Guibing Guo and Jie Zhang and Daniel Thalmann and Neil Yorke-Smith",
	booktitle     = "{Proceedings of the Seventh Conference on Recommender Systems}",
	doi           = "10.1145/2507157.2507200",
	isbn          = "978-1-4503-2409-0",
	pages         = "383--386",
	publisher     = "{ACM}",
	title         = "{Prior ratings: a new information source for recommender systems in e-commerce}",
	year          = 2013,
}