This paper applies the theory of Communicating Sequential Processes (CSP) to the modelling and analysis of a non-repudiation protocol. Non-repudiation protocols di er from authent...
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
The spreading of multicast technology enables the development of group communication and so dealing with digital streams becomes more and more common over the Internet. Given the f...
In order to understand some problems associated with workflow, we set out an analysis of workflow systems, identifying a number of basic issues in the underlying technology. This ...
Paul Dourish, Jim Holmes, Allan MacLean, Pernille ...
As sharing personal media online becomes easier and widely spread, new privacy concerns emerge ? especially when the persistent nature of the media and associated context reveals ...
Shane Ahern, Dean Eckles, Nathaniel Good, Simon Ki...