Abstract. The development of critical systems requires a high assurance process from requirements to the running code. Formal methods, such as B, now provide industry-strength tool...
We present a formal, tool-supported approach to the design and maintenance of access control policies expressed in the eXtensible Access Control Markup Language (XACML). Our aim is...
Abstract. A formal, representation-independent form of a memetic algorithm-a genetic algorithm incorporating local search--is introduced. A generalisedform of N-point crossover is ...
We analyse some recent approaches to the global illumination problem by introducing the corresponding reflection operators, and we demonstrate the advantages of a two-pass method....
Abstract. Large-scale distributed computing applications require concurrent programming models that support modular and compositional software development. The actor model supports...
Wei-Jen Wang, Carlos A. Varela, Fu-Hau Hsu, Cheng-...