@article{VLDB-2011-CohenCD,
	author        = "Edith Cohen and Graham Cormode and Nick G. Duffield",
	ee            = "http://www.vldb.org/pvldb/vol4/p819-cohen.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 11,
	pages         = "819--830",
	title         = "{Structure-Aware Sampling: Flexible and Accurate Summarization}",
	volume        = 4,
	year          = 2011,
}