Security in the access to web contents and the interaction with web sites is becoming one of the most important issues in Internet. Servers need to provide certain levels of secur...
Two convincing paradigms have emerged for achieving scalability in widely distributed systems: publish/subscribe communication and role-based, policy-driven control of access to t...
Jean Bacon, David M. Eyers, Jatinder Singh, Peter ...
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
Stefan Boettcher, Allon G. Percus, Michelangelo Gr...
In self-organizing networks of battery-powered wireless sensors that can sense, process, and communicate, energy is the most crucial and scarce resource. However, since sensor netw...
In production Grids for scientific applications, service and resource failures must be detected and addressed quickly. In this paper, we describe the monitoring infrastructure use...
Ann L. Chervenak, Jennifer M. Schopf, Laura Pearlm...