For several different reasons, such as changes in the business or technological environment, the configuration of a system may need to evolve during execution. Support for such ev...
Previous works define the notion of system model, which provides a formal basis for the definition of the semantics of a distributed object-oriented modelling language. This articl...
Abstract. We consider the problem of checking equivalence of conjunctive queries with inequalities under bag (multiset) semantics. The problem is known to be decidable in pspace an...
The formal treatment of visual languages is often based on graph representations. Since the matter of discourse is visual languages, it would be convenient if the formal manipulat...
Abstract. We present a separate compositional analysis for objectoriented languages. We show how a generic static analysis of a context that uses an object can be split into two se...