We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
Grid computing intends to share heterogeneous resources in dynamic service-based environments. This kind of systems has the major advantages of enabling rapid composition of distr...
The penetration of cellular networks worldwide and emergence of smart phones has led to a revolution in mobile content. Users consume diverse content when, for example, exchanging...
Machigar Ongtang, Kevin R. B. Butler, Patrick Drew...
Trust negotiation is an approach to establishing trust between strangers through the bilateral, iterative disclosure of digital credentials. Under automated trust negotiation, acc...
Locales (as first embodied in the SPLINE system) are a very good approach to constructing and organising large virtual environments, especially for distributed and multiuser syste...