@inproceedings{ICML-2009-MartinsSX,
	author        = "André F. T. Martins and Noah A. Smith and Eric P. Xing",
	booktitle     = "{Proceedings of the 26th International Conference on Machine Learning}",
	doi           = "10.1145/1553374.1553466",
	isbn          = "978-1-60558-516-1",
	pages         = "713--720",
	publisher     = "{ACM}",
	series        = "{ACM International Conference Proceeding Series}",
	title         = "{Polyhedral outer approximations with application to natural language parsing}",
	volume        = 382,
	year          = 2009,
}