@inproceedings{CSCW-2015-LiCYH,
	author        = "Xuanchong Li and Kai-min Chang and Yueran Yuan and Alexander G. Hauptmann",
	booktitle     = "{Proceedings of the 18th ACM Conference on Computer Supported Cooperative Work & Social Computing}",
	doi           = "10.1145/2675133.2675245",
	isbn          = "978-1-4503-2922-4",
	pages         = "1129--1137",
	publisher     = "{ACM}",
	title         = "{Massive Open Online Proctor: Protecting the Credibility of MOOCs certificates}",
	year          = 2015,
}