A Grid system is a Virtual Organization that is composed of several autonomous domains. Authorization in such a system needs to be flexible and scalable to support multiple securi...
Bo Lang, Ian T. Foster, Frank Siebenlist, Rachana ...
: Changing business requirements such as providing new business services lead to an ongoing need for fast and flexible adaptation of the underlying information systems and infrastr...
The great variety of users of the services available on the internet raised the problem of finding flexible forms of presentation and interaction, which depend on the specific user...
Service Level Agreements (SLAs) define the level of service that a service provider must deliver. An SLA is a contract between service provider and consumer, and includes appropri...
Tony Chau, Vinod Muthusamy, Hans-Arno Jacobsen, El...
Sensor networks consist of a potentially huge number of very small and resource limited self-organizing devices. Those devices offer different services and use services provided b...