@inproceedings{SIGMOD-2003-ChoALS,
	author        = "SungRan Cho and Sihem Amer-Yahia and Laks V. S. Lakshmanan and Divesh Srivastava",
	booktitle     = "{Proceedings of the 31st ACM SIGMOD International Conference on Management of Data}",
	doi           = "10.1145/872757.872859",
	isbn          = "1-58113-634-X",
	pages         = "669",
	publisher     = "{ACM}",
	title         = "{LockX: A System for Efficiently Querying Secure XML}",
	year          = 2003,
}