Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...
Business Processes for Web Services are the new paradigm for the lightweight integration of business from different enterprises. Whereas the security and access control policies ...
We propose a new approach for applying Role-Based Access Control (RBAC) to methods in objects in the Java programming language. In our approach, a policy implementer (usually a de...
Publish/subscribe has emerged as an attractive communication paradigm for building Internet-wide distributed systems by decoupling message senders from receivers. So far most of t...
The internet and related technologies have made multidomain collaborations a reality. Collaboration enables domains to effectively share resources; however, it introduces several s...