@inproceedings{KDD-2004-AfratiGM,
	author        = "Foto N. Afrati and Aristides Gionis and Heikki Mannila",
	booktitle     = "{Proceedings of the 10th International Conference on Knowledge Discovery and Data Mining}",
	doi           = "10.1145/1014052.1014057",
	isbn          = "1-58113-888-1",
	pages         = "12--19",
	publisher     = "{ACM}",
	title         = "{Approximating a collection of frequent sets}",
	year          = 2004,
}