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WS-BPEL 2.0 Beginner's Guide by Denis Weerasiri, Matjaz B. Juric

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Chapter 1. Hello BPEL

Web Services Business Process Execution Language (WS-BPEL), also BPEL or BPEL4WS, is an orchestration language for composition, orchestration, and coordination of services. BPEL is not used for actual programming of functionalities. Rather, it is used to orchestrate and compose functionalities, exposed through services, into larger units and composite applications.

Composition or orchestration usually follows a certain order of activities; it forms a process. Therefore, this language is called business process execution language. Particularly in information systems, BPEL has an important role. It is used to orchestrate business processes which consists of several activities. Some of them are automated, some are not. For ...

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