In order for middleware systems to be adaptive, their properties and services need to support a wide variety of application-specific policies. However, application developers and ...
Rapid improvements in network bandwidth, cost, and ubiquity combined with the security hazards and high total cost of ownership of personal computers have created a growing market...
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
As enterprises seek to engage in increasingly rich and agile forms of collaboration, they are turning towards service-oriented architectures that enable them to selectively expose...
Today many interactions are carried out online through Web sites and e-services and often private and/or sensitive information is required by service providers. A growing concern r...
Claudio Agostino Ardagna, Marco Cremonini, Ernesto...