Markus Lorch, Seth Proctor, Rebekah Lepro, Dennis G. Kafura, Sumit Shah. First experiences using XACML for access control in distributed systems. In Sushil Jajodia, Michiharu Kudo, editors, Proceedings of the 2003 ACM Workshop on XML Security, Fairfax, VA, USA, October 31, 2003. pages 25-37, ACM, 2003. [doi]