Event-B is a formal modelling method which is claimed to be suitable for diverse modelling domains, such as reactive systems and sequential program development. This claim hinges o...
We describe an extension to the TLA+ specification language with constructs for writing proofs and a proof environment, called the Proof Manager (PM), to checks those proofs. The ...
Abstract. In social mechanism design, obligation distribution creates individual or contractual obligations that imply a collective obligation. A distinguishing feature from group ...
With the ubiquitous deployment of large scale networks more and more complex human interactions are supported by computer applications. This poses new challenges on the expressive...
In this paper, we describe a security model where users are allowed to control their obligations partially or totally, depending on the security policy. The main motivation of our...