A distributed decision support system involving multiple clinical centres is crucial to the diagnosis of rare diseases. Although sharing of valid diagnosed cases can facilitate la...
This paper presents a framework for representing and distributing access control policies in distributed heterogeneous systems. Access control polices follows the RBAC (Role Based...
Abstract. Many different access control policies and models have been developed to suit a variety of goals; these include Role-Based Access Control, One-directional Information Flo...
Vincent C. Hu, Deborah A. Frincke, David F. Ferrai...
—Role-based Access Control (RBAC) is one of the most widespread security mechanisms in use today. Given the growing complexity of policy languages and access control systems, ver...
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...