@article{VLDB-2009-ZengTWFZ,
	author        = "Zhiping Zeng and Anthony K. H. Tung and Jianyong Wang and Jianhua Feng and Lizhu Zhou",
	ee            = "http://www.vldb.org/pvldb/2/vldb09-568.pdf",
	journal       = "{Proceedings of the VLDB Endowment}",
	number        = 1,
	pages         = "25--36",
	title         = "{Comparing Stars: On Approximating Graph Edit Distance}",
	volume        = 2,
	year          = 2009,
}