Anna Cinzia Squicciarini, Ayça Azgin Hintoglu, Elisa Bertino, Yücel Saygin. A privacy preserving assertion based policy language for federation systems. In Volkmar Lotz, Bhavani M. Thuraisingham, editors, SACMAT 2007, 12th ACM Symposium on Access Control Models and Technologies, Sophia Antipolis, France, June 20-22, 2007, Proceedings. pages 51-60, ACM, 2007. [doi]
Abstract is missing.