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 ...
Abstract. We present a framework for designing and composing services in a secure manner. Services can enforce security policies locally, and can invoke other services in a “call...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
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 ...
To cope with the complex requirements imposed on the processing of privacy-sensitive data within enterprises, the use of automatic or semi-automatic tools is gradually becoming in...
—Although policy compliance testing is generally treated as a binary decision problem, the evidence gathered during the trust management process can actually be used to examine t...