@inproceedings{PODS-2012-AhnGM,
	author        = "Kook Jin Ahn and Sudipto Guha and Andrew McGregor",
	booktitle     = "{Proceedings of the 31st Symposium on Principles of Database Systems}",
	doi           = "10.1145/2213556.2213560",
	isbn          = "978-1-4503-1248-6",
	pages         = "5--14",
	publisher     = "{ACM}",
	title         = "{Graph sketches: sparsification, spanners, and subgraphs}",
	year          = 2012,
}