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...
Recently, administration of RBAC systems using rolebased approach has become very appealing because of the benefits that a role-based approach typically brings. This approach uses...
This paper presents a framework for verifying the access control requirements of real-time application systems such as workflow management systems and active databases. The tempor...
Basit Shafiq, Ammar Masood, James Joshi, Arif Ghaf...
Hypermedia systems (whether web sites or not) should support multilevel policiesm, offering different views and manipulation abilities of the same information to users with differ...
The validation of enterprise authorization specification for conformance to enterprise security policies requires an out-of-band framework in many situations since the enforcing a...