@inproceedings{SIGIR-2013-Wang0,
	author        = "Jian Wang and Yi Zhang",
	booktitle     = "{Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	doi           = "10.1145/2484028.2484067",
	isbn          = "978-1-4503-2034-4",
	pages         = "303--312",
	publisher     = "{ACM}",
	title         = "{Opportunity model for e-commerce recommendation: right product; right time}",
	year          = 2013,
}