Abstract. We propose a new definition for abstract syntax (with binding constructions), and, accordingly, for initial semantics and algebraicity. Our definition is based on the n...
The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
Statecharts is a visual language for specifying the behavior of reactive systems. The language extends nite-state machines with concepts of hierarchy, concurrency, and priority. De...
We show that the so-called ‘Petri nets are monoids’ approach initiated by Meseguer and Montanari can be extended from ordinary place/transition Petri nets to contextual nets by...
Computability and Algebraic Specification J. V. TUCKER University of Wales, Swansea and J. I. ZUCKER McMaster University Abstract computable functions are defined by abstract finit...