@inproceedings{CIKM-2010-LeeC,
	author        = "Thomas Yau-tat Lee and David Wai-Wok Cheung",
	booktitle     = "{Proceedings of the 19th ACM International Conference on Information and Knowledge Management}",
	doi           = "10.1145/1871437.1871545",
	isbn          = "978-1-4503-0099-5",
	pages         = "839--848",
	publisher     = "{ACM}",
	title         = "{XML schema computations: schema compatibility testing and subschema extraction}",
	year          = 2010,
}