A team of agents planning to perform a complex task make a number of interrelated decisions as they determine precisely how that complex task will be performed. The decision set i...
Simple retrenchment is briefly reviewed in the B language of J.-R. Abrial [1] as a liberalisation of classical refinement, for the formal description of application developments ...
We introduce PLC-Automata as a new class of automata which are tailored to deal with real-time properties of Programmable Logic Controllers (PLCs). These devices are often used in...
Abstract. This paper presents an extension of disjunctive datalog (Datalog∨ ) by nested rules. Nested rules are (disjunctive) rules where elements of the head may be also rules. ...
In this work we discuss a number of issues for the design of hypertext systems in an actor-based model of computation. We examine how the "traditional" basic concepts whi...