Web services technology provides a platform on which we can develop distributed services. The interoperability among these services is achieved by various stan-dard protocols. In recent years, several researches suggested that process algebras provide a satisfactory assistance to the whole process of web services development. Business transactions, on the other hand, involve the coordination and interaction between multiple partners. With the emergence of web services, business trans-actions are conducted using these services. The coordination among the business processes is crucial, so is...