@inproceedings{SIGIR-2013-Ma,
	author        = "Hao Ma",
	booktitle     = "{Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2484028.2484059",
	isbn          = "978-1-4503-2034-4",
	pages         = "73--82",
	publisher     = "{ACM}",
	title         = "{An experimental study on implicit social recommendation}",
	year          = 2013,
}