Abstract. In this paper we investigate the design space of access control logics. Specifically, we consider several possible axioms for the common operator says. Some of the axioms...
We introduce PLC-Automata as a new class of automata which are tailored to deal with real-time properties of Programmable Logic Controllers (PLCs). These devices are often used in...
Real-Time Logic is a formal notation for reasoning about temporal behaviour. Z is a general purpose specification language, but lacks explicit features for expressing real-time co...
Abstract. In recent years there has been a growing demand for Automated Theorem Proving (ATP) in large theories, which often have more axioms than can be handled effectively as no...
Martin Suda, Geoff Sutcliffe, Patrick Wischnewski,...
We present a semantics for fault tree analysis, a technique used for the analysis of safety critical systems, in the real-time interval logic Duration Calculus with Liveness and sh...