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The Dichotomy of Modeling and Execution: BPMN and WS-BPEL

The Dichotomy of Modeling and Execution: BPMN and WS-BPEL
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Author(s): Matthias Kloppmann (IBM Deutschland Research and Development GmbH, Germany), Dieter Koenig (IBM Deutschland Research and Development GmbH, Germany) and Simon Moser (IBM Deutschland Research and Development GmbH, Germany)
Copyright: 2009
Pages: 22
Source title: Handbook of Research on Business Process Modeling
Source Author(s)/Editor(s): Jorge Cardoso (SAP Research, Germany) and Wil van der Aalst (Technische Universitat Eindhoven, The Netherlands)
DOI: 10.4018/978-1-60566-288-6.ch004

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Abstract

This chapter introduces a set of languages intended to model and run business processes. The Business Process Modeling Notation 1.1 (BPMN) is a notation used to graphically depict business processes. BPMN is able to express choreographies, i.e. the cooperation of separate, autonomous business processes to jointly achieve a larger scenario. Since BPMN is only a notation, there is no specification for a meta-model that allows rendering BPMN choreographies into an executable form. This chapter describes how the Service Component Architecture (SCA) and the Web Services Business Process Execution Language (WS-BPEL) help to close that gap. BPMN, SCA and WS-BPEL can jointly be used and combined to model, deploy and execute business process choreographies. We will also integrate the related BPEL4People specification, since BPMN allows human ‘user tasks’, but WS-BPEL focuses only on automated business process. The authors argue that, based on these specifications, the dichotomy between modeling and execution can be addressed efficiently. In this chapter, we will show that a key aspect of the future of Business Process Management is to combine graphical modeling (via BPMN) with a precise specification of an executable business process (via WS-BPEL and related standards).

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