Yue Zhang, James B. D. Joshi. UAQ: a framework for user authorization query processing in RBAC extended with hybrid hierarchy and constraints. In Indrakshi Ray, Ninghui Li, editors, SACMAT 2008, 13th ACM Symposium on Access Control Models and Technologies, Estes Park, CO, USA, June 11-13, 2008, Proceedings. pages 83-92, ACM, 2008. [doi]
Abstract is missing.