Collaborative systems provide a rich but potentially chaotic environment for their users. This paper presents a system that allows users to control collaboration by enacting polic...
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. ...
Prathima Rao, Dan Lin, Elisa Bertino, Ninghui Li, ...
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...
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...