Role hierarchies are fundamental to the role based access control (RBAC) model. The notion of role hierarchy is a well understood concept that allows senior roles to inherit the p...
Role-based access control and role hierarchies have been the subject of considerable research in recent years. In this paper, we consider three useful applications of a new role-b...
Abstract Role-based access control RBAC has recently received a lot of attention due to its exibility, expressive power and simplicity in administration. In RBAC permissions are as...
Role-based access control (RBAC) has been introduced in the last few years, and offers a powerful means of specifying access control decisions. The model of RBAC usually assumes t...