In this paper, we are motivated by the problem of semantic web services composition. We first present a typical example requiring services composition, give a definition of an aut...
In this paper we present a model transformation from a visual representation (VisualOCL) of the Object Constraint Language (OCL) to the textual one using graph transformation. Sta...
We present a proof technique in -calculus that can facilitate inductive reasoning on -terms by separating certain -developments from other -reductions. We give proofs based on thi...
We present a stochastic version of Concurrent Constraint Programming (CCP), where we associate a rate to each basic instruction that interacts with the constraint store. We give a...
Formal notations for system performance modeling need to be equipped with suitable notations for specifying performance measures. These companion notations have been traditionally...