User adaptive systems in the context of pervasive computing can only unveil their power if based on a generic middleware managing private data and context information in combinati...
This paper presents the design of a novel system architecture, Virtual Service Grid (VSG), for delivering high performance network services. The VSG is based on the concept of the...
Current computer security systems are based on the premise that once a user presents valid credentials to the authentication system (e.g. valid ID and password), they are granted ...
SESAME is a security architecture that starts from the Kerberos protocol and adds to it public-key based authentication, role based access control, delegation of rights and an ext...
Paul Ashley, Mark Vandenwauver, Mark Rutherford, S...
— Access control in computational grids is typically provided by a combination of identity certificates and local accounts. This approach does not scale as the number of users a...
Tatyana Ryutov, Li Zhou, B. Clifford Neuman, Noria...