@inproceedings{ICML-2011-NaganoKA,
	author        = "Kiyohito Nagano and Yoshinobu Kawahara and Kazuyuki Aihara",
	booktitle     = "{Proceedings of the 28th International Conference on Machine Learning}",
	pages         = "977--984",
	publisher     = "{Omnipress}",
	title         = "{Size-constrained Submodular Minimization through Minimum Norm Base}",
	year          = 2011,
}