Abstract. The fact that so many different kinds of coordination models and languages have been proposed suggests that no one single approach will be the best for all coordination p...
Franz Achermann, Stefan Kneubuehl, Oscar Nierstras...
Explosive increase in enduser computing on distributed systems requires that endusers develop application software by themselves. One solution is given as a formula of "a dom...
Abstract. We study entailment of structural and nonstructural recursive subtyping constraints. Constraints are formal inequalities between type expressions, interpreted over an ord...
Kowalski and Sergot’s Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which propert...
Semantic models have shown the utility of arbitrary user-de ned relationships for de ning the semantics of database information, while objectoriented models have developed a stron...