Mobile agent technology and Web Service technology compensate each other and play very important roles in eservice applications. The mechanism of Web Services technology naturally...
Watermarkingwith both obliviousdetection and high robustness capabilities is still a challenging problem. The existing methods are either robust or oblivious, but it is di cult to...
Availability is a critical issue in modern distributed systems. While many techniques and protocols for preventing denial of service (DoS) attacks have been proposed and deployed ...
Data outsourcing or database as a service is a new paradigm for data management in which a third party service provider hosts a database as a service. The service provides data man...
Ahmed Metwally, Amr El Abbadi, Divyakant Agrawal, ...
Abstract. In the past five years there has been tremendous activity in rolebased access control (RBAC) models. Consensus has been achieved on a standard core RBAC model that is in ...