Access control is central to security in computer systems. Over the years, there have been many efforts to explain and to improve access control, sometimes with logical ideas and t...
Web Services technology enables organisations to exploit software as a service. Services are accessed by method invocations. Method interfaces are described and published, and may...
In this paper we propose a formalization of access control policies based on term rewriting. The state of the system to which policies are enforced is represented as an algebraic ...
Relation Based Access Control (RelBAC) is an access control model designed for the new scenarios of access control on Web 2.0. Under this model, we discuss in this paper how to for...
Access control includes physical and logical access control. Physical access control protects the damage, theft and losing of assess. In this paper, we propose the method to prote...