Role-based access control has been a focal area for many security researchers over the last decade. There have been a large number of models, and many rich specification language...
In a modern business process, documents are important carriers of information between organisations. Document management solutions are increasingly based on structured document for...
Abstract. We apply the theory of asynchronous automata to the synthesis problem of closed distributed systems. We use safe asynchronous automata as implementation model, and charac...
Abstract. We extend Clark’s definition of a completed program and the definition of a loop formula due to Lin and Zhao to disjunctive logic programs. Our main result, generaliz...
We reveal a symmetric structure in the ho/n games model of innocent strategies, introducing rigid strategies, a concept dual to bracketed strategies. We prove a direct definabilit...