Service level agreements (SLAs), or contracts, have an important role in web services. These contracts define the obligations and rights between the provider of a web service and i...
Sidney Rosario, Albert Benveniste, Stefan Haar, Cl...
Abstract. The Service Oriented Architecture paradigm, and its implementation based on Web Services, have been the object of an intense research and standardization activity. One of...
Federico Chesani, Paola Mello, Marco Montali, Paol...
Web Service orchestrations are compositions of different Web Services to form a new service. The services called during the orchestration guarantee a given Quality of Service (QoS...
Anne Bouillard, Sidney Rosario, Albert Benveniste,...
Abstract. We present formal and practical foundations for Web service composition framework with composition correctness guarantees. We introduce contractual composition model base...
In the context of Service Oriented Computing behavioural contracts are descriptions of the observable message-passing behaviour of services. In other terms, contracts are behaviour...