@InProceedings{A_Policy_Based_Approach_to_Security_for_the_Semantic_Web,
	author = "Lalana Kagal, Tim Finin, and Anupam Joshi",
	title = "{A Policy Based Approach to Security for the Semantic Web}",
	month = "September",
	year = "2003",
	pages = "402-418",
	booktitle = "2nd International Semantic Web Conference (ISWC2003)",
	publisher = "Springer",
}