Reputation systems aggregate mutual feedback of interacting peers into a "reputation" metric for each participant. This is then available to prospective service "req...
Abstract. I develop a compositional theory of refinement for the branching time framework based on stuttering simulation and prove that if one system refines another, then a refine...
Though overriding as a single and default mode of inheritance is adequate for most knowledge bases, a large class of applications naturally requires several inheritance modes and ...
Abstract: The Duration Calculus is an interval logic introduced for designing realtime systems. This calculus is able to capture important real-time problems like the speci cation ...
In this paper, dynamic meta modeling is proposed as a new approach to the operational semantics of behavioral UML diagrams. The dynamic meta model extends the well-known static met...
Gregor Engels, Jan Hendrik Hausmann, Reiko Heckel,...