We design a schema language that includes channel schemas with capabilities of input, output, and input-output. These schemas may describe documents containing references to operat...
Abstract. We define a language for Web services contracts as a parallelfree fragment of ccs and we study a natural notion of compliance between clients and services in terms of th...
Contracts are behavioural descriptions of Web services. We devise a theory of contracts that formalises the compatibility of a client to a service, and the safe replacement of a s...
Comprehensive contractual description of Web Services and Web Service compositions is needed for selection of appropriate Web Services and their service and quality of service (Qo...