Formalization is a necessary precondition for the specification of precise and unambiguous use case models, which serve as reference points for the design and implementation of so...
The number of computational trust models has been increasing rapidly in recent years, yet their applications for automating trust evaluation are still limited. The main obstacle i...
Science requires collaboration. In this paper, we investigate the feasibility of coupling current social networking techniques to science gateways to provide a scientific collabor...
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...
—The success of a Public Key Infrastructure such as the Web of Trust (WoT) heavily depends on its ability to ensure that public keys are used by their legitimate owners, thereby ...