@inproceedings{SAC-2007-YaoKBT,
	author        = "Danfeng Yao and Yunhua Koglin and Elisa Bertino and Roberto Tamassia",
	booktitle     = "{Proceedings of the 22nd Symposium on Applied Computing}",
	doi           = "10.1145/1244002.1244353",
	editor        = "Yookun Cho and Roger L. Wainwright and Hisham Haddad and Sung Y. Shin and Yong Wan Koo",
	isbn          = "1-59593-480-4",
	pages         = "1654--1661",
	publisher     = "{ACM}",
	title         = "{Decentralized authorization and data security in web content delivery}",
	year          = 2007,
}