Abstract. This paper introduces the ISpec approach to interface specification. ISpec supports the development of interface specifications at various levels of formality and detail ...
State-based refinement relations have been developed for use on the Object-Z components in an integrated Object-Z / CSP specification. However this refinement methodology does not ...
This paper presents a means of structuring specifications in real-time Object-Z: an integration of Object-Z with the timed refinement calculus. Incremental modification of classes ...
This paper presents a formal language for the design of component-based enterprise system. The language (StAC) allows the usual parallel and sequential behaviours, but most signifi...