@inproceedings{STOC-2012-BeiCGL,
	author        = "Xiaohui Bei and Ning Chen and Nick Gravin and Pinyan Lu",
	booktitle     = "{Proceedings of the 44th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/2213977.2214020",
	isbn          = "978-1-4503-1245-5",
	pages         = "449--458",
	publisher     = "{ACM}",
	title         = "{Budget feasible mechanism design: from prior-free to bayesian}",
	year          = 2012,
}