Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
Abstract--Highly distributed environments such as pervasive computing environments not having global or broad control, need another attribute certificate management technique. For ...
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Modern multiuser software systems have adopted RoleBased Access Control (RBAC) for authorization management. This paper presents a formal model for RBAC policy validation and a st...
Marco Pistoia, Stephen J. Fink, Robert J. Flynn, E...
Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users....
David W. Chadwick, Gansen Zhao, Sassa Otenko, Roma...