@inproceedings{RecSys-2009-TylerZCZ,
	author        = "Sarah K. Tyler and Shenghuo Zhu and Yun Chi and Yi Zhang",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639721",
	isbn          = "978-1-60558-435-5",
	pages         = "29--36",
	publisher     = "{ACM}",
	title         = "{Ordering innovators and laggards for product categorization and recommendation}",
	year          = 2009,
}