To investigate the interdependencies existing among deontic positions (like powers and obligations) and the ontology defined by an institution, we have proposed to model instituti...
— In this paper we study the rational balance between local and global policies in virtual communities of agents. To study this problem we use a logical framework for modelling o...
We extend the logical model of agency known as the KGP model, to support agents with normative concepts, based on the roles an agent plays and the obligations and prohibitions tha...
Abstract. Retrenchment is a flexible model evolution formalism that arose as a reaction to the limitations imposed by refinement, and for which the proof obligations feature additi...
Abstract. This paper presents liveness properties that need to be preserved by Event-B models of distributed systems. Event-B is a formal technique for development of models of dis...