@inproceedings{CIKM-2014-YangSR,
	author        = "Diyi Yang and Jingbo Shang and Carolyn Penstein Rosé",
	booktitle     = "{Proceedings of the 23rd ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/2661829.2662089",
	isbn          = "978-1-4503-2598-1",
	pages         = "1987--1990",
	publisher     = "{ACM}",
	title         = "{Constrained Question Recommendation in MOOCs via Submodularity}",
	year          = 2014,
}