Abstract. The notion of agents has provided a way of imbuing traditional computing systems with an extra degree of flexibility that allows them to be more resilient and robust in t...
We propose an extension to Z whereby generic parameters may have their types partially constrained. Using this mechanism it becomes possible to dene in Z much of its own schema cal...
Samuel H. Valentine, Ian Toyn, Susan Stepney, Stev...
The B-Method is a state-based formal method that describes behaviour in terms of MACHINES whose states change under OPERATIONS. The process algebra CSP is an event-based formalism ...
Abstract. This paper presents some of our requirements for a Z typechecker: that the typechecker accept all well-typeable formulations, however contrived; that it gather informatio...
Ian Toyn, Samuel H. Valentine, Susan Stepney, Stev...
We have recently completed the specication and security proof of a large, industrial scale application. The application is security critical, and the modelling and proof were done ...