XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Business processes, the next-generation workflows, have attracted considerable research interest in the last 15 years. More recently, several XML-based languages have been propose...
Through their misuse of authorized privileges, insiders have caused great damage and loss to corporate internal information assets, especially within the Intelligence Community (IC...
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...
Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users....
David W. Chadwick, Gansen Zhao, Sassa Otenko, Roma...