@article{VLDB-2009-HasanZ,
	author        = "Mohammad Al Hasan and Mohammed J. Zaki",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-713.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "730--741",
	title         = "{Output Space Sampling for Graph Patterns}",
	volume        = 2,
	year          = 2009,
}