Xinwen Zhang, Sejong Oh, Ravi S. Sandhu. PBDM: a flexible delegation model in RBAC. In SACMAT 2003, 8th ACM Symposium on Access Control Models and Technologies, June 2-3, 2003, Villa Gallia, Como, Italy, Proceedings. pages 149-157, ACM, 2003. [doi]
Abstract is missing.