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Service-Oriented Processes

Chun Ouyang, Wil M. P. van der Aalst, Marlon Dumas

Abstract

The Business Process Execution Language for Web Services (BPEL) is an emerging standard for specifying the behaviour of Web services at different levels of details using business process modeling constructs. It represents a convergence between Web services and business process technology. This chapter introduces the main concepts and constructs of BPEL and illustrates them by means of a comprehensive example. In addition, the chapter reviews some perceived limitations of BPEL and discusses proposals to address these limitations. The chapter also considers the possibility of applying formal methods and Semantic Web technology to support the rigorous development of service-oriented processes using BPEL.

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Key concepts: Business Process Execution Language, Computer science, Web service, Business process, Software engineering, Service-oriented architecture, Service (business), Process (computing)