Workflow technology has reached a reasonable degree of maturity, with a number of both research prototypes and commercial systems available. However, methodological issues have rec...
In order to support the conceptualization and specification of simulation models of complex systems, several formalisms or world views exist. Petri nets, differential equations, d...
: We show how an alternative approach to document-oriented specification can ease the system design process. By identifying the modeling concepts needed for a complete system speci...
Abstract. We compare Kripke models and hypercube systems, a simpli ed notion of Interpreted Systems, as semantic structures for reasoning about knowledge. Our method is to de ne a ...
Binary associations between classifiers are among the most fundamental of UML concepts. However, there is considerable room for disagreement concerning what an association is, sema...