Using Mda for Integrating Web Services in the Workflow Systems

Workflow Management Systems (WfMS) support the definition, management and execution of business processes inside organizations. However, they suffer from lack of flexibility. They are inappropriate to support easily some mechanisms such as cooperative interactions and exchanging data. Indeed, one of the most important requirements emerging from new workflow applications that must be permanent for the process definition is the ability of communicating with outside organizations (partners, clients, and suppliers) and incorporating them in a process. In the last years, Web Services are emerged as a major evolution in technology to provide relationships among interenterprises and enterprises-costumers. Hence, we try to exploit this to integrate a web service in WfMS. However, those enterprises rely on the wide variety of languages and technologies which are heterogeneous in permanent evolution. Consequently our proposed approach is based on principles of MDA (Model Driven Architecture). Keys words: Business process, Models, mapping, B2B.