@inproceedings{VLDB-2002-ChoALS,
	author        = "SungRan Cho and Sihem Amer-Yahia and Laks V. S. Lakshmanan and Divesh Srivastava",
	booktitle     = "{Proceedings of the 28th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/2002/S14P02.pdf",
	pages         = "490--501",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Optimizing the Secure Evaluation of Twig Queries}",
	year          = 2002,
}