Web Services technology enables organisations to exploit software as a service. Services are accessed by method invocations. Method interfaces are described and published, and may...
Business Processes for Web Services (BPEL4WS) are the new paradigms for lightweight enterprise integration. They cross organizational boundaries and are provided by entities that s...
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Abstract. We present the tool MERIT, a CEGAR model-checker for safety propf counter-systems, which sits in the Lazy Abstraction with Interpolants (LAWI) framework. LAWI is parametr...
Are computing systems trustworthy? To answer this, we need to know three things: what the systems are supposed to do, what they are not supposed to do, and what they actually do. A...