@inproceedings{ZhangYWHS11,
	title     = {Convex sparse coding, subspace learning, and semi-supervised extensions},
	author    = {Xinhua Zhang and Yaoliang Yu and Martha White and Ruitong Huang and Dale Schuurmans},
	year      = {2011},
	booktitle = {The {25}^{th} Conference on Artificial Intelligence {AAAI}},
}	