@inproceedings{SIGMOD-1997-JajodiaSSB,
	author        = "Sushil Jajodia and Pierangela Samarati and V. S. Subrahmanian and Elisa Bertino",
	booktitle     = "{Proceedings of the 27th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD97/P474.PDF",
	doi           = "10.1145/253260.253364",
	pages         = "474--485",
	publisher     = "{ACM Press}",
	title         = "{A Unified Framework for Enforcing Multiple Access Control Policies}",
	year          = 1997,
}