In the social reality, objects communicate with each other by means of assuming roles to establish collaboration, and then can adaptively change their roles to obtain other intera...
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...
Abstract. This paper addresses the problem of specifying and establishing secure collaborations between autonomous entities that need to interact and depend on each other in order ...
Alberto E. Schaeffer Filho, Emil Lupu, Morris Slom...
This paper articulates a system design for the secure role based messaging model built based on existing messaging systems, public key infrastructures, and a privilege management ...
As a major component of any host, or network operating system, access control mechanisms come in a wide variety of forms, each with their individual attributes, functions, methods...
David F. Ferraiolo, Serban I. Gavrila, Vincent C. ...