We use a compositional framework to model security architectures involving heterogeneous and distributed security functions. Our goal is to assist the ITSEC evaluation of suitabil...
Program compilation can be formally defined as a sequence of equivalence-preserving transformations, or refinements, from highlevel language programs to assembler code. Recent mo...
Eventstructuremodelsoftenhavesomeconstraintwhichensuresthatforeachsystemrunitisclearwhatarethecausalpredecessorsofanevent(i.e. there is no causal ambiguity). In this contribution w...
A distributed calculus is proposed for describing networks of services. We model service interaction through a call-by-property invocation mechanism, by specifying the security co...
Massimo Bartoletti, Pierpaolo Degano, Gian Luigi F...
In this paper wesuggest a wayof using the rules of System P to propagate lower bounds on conditional probabilities. Usinga knowledgebase of default rules whichart, consideredto be...