People often need to reason about policy changes before they are adopted. For example, suppose a website manager knows that users want to enter her site without going through the w...
This paper proposes a Compiled Labelled Deductive System, called ACCLDS, for reasoning about role-based access control in distributed systems, which builds upon Massacci’s tablea...
We study the complexity of satisfiability for DLP+ dyn , an expressive logic introduced by Demri that allows to reason about dynamic policies. DLP+ dyn extends the logic DLPdyn of...
Privacy has been acknowledged to be a critical requirement for many business environments. A variety of uncertainty and mutability poses challenges when sharing resources must happ...
There is a need for research on the scientific base and engineering requirements for building trustworthy systems in dynamic environments. To address this need, we study risk analy...