Abstract. Graph games of infinite length provide a natural model for open reactive systems: one player (Eve) represents the controller and the other player (Adam) represents the en...
The ingredients of typical model based development via refinement are re-examined, and some well known frameworks are reviewed in that light, drawing out commonalities and differen...
Despite several research studies, the effective analysis of policy based systems remains a significant challenge. Policy analysis should at least (i) be expressive (ii) take accou...
Robert Craven, Jorge Lobo, Jiefei Ma, Alessandra R...
In this paper we extend earlier work on deontic deadlines in CTL to the framework of alternating time temporal logic (ATL). The resulting setting enables us to model several concep...
Modelling security policies requires means to specify permissions and prohibitions. However, this is generally not sufficient to express security properties such as availability ...