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Reference Model for service oriented Business Software based on Web Service Nets
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Datum
2008
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Gesellschaft für Informatik e. V.
Zusammenfassung
Configurable business software solutions are increasingly being implemented based on service oriented architectures (SOA). Hereunto model driven approaches for the definition and implementation of such software systems are indispensable. In addition reference models with predefined business processes can accelerate decisively the implementation of standard software solutions. In this paper we present a new integrated service oriented approach of a multi-layer model. XML nets, a kind of high-level Petri nets based on XML standards and Web Service nets that are additionally based on web service standards provide the creation of reference models for configurable business software solutions and can be used for the implementation. The reference models are structured in layers of different kind of granularity. Within these layers complex processes can be orchestrated using business process components. The business flows within the capsulated processes are defined with Web Service nets considering the respective standards of web services. With this hierarchical model, business processes of a configurable business software solution can be described from the rough process flow up to detailed functions and detailed instructions based on a formal model. Due to the use of web service standards, the process models might be assigned to implemented WS-BPEL processes of the business software or WS-BPEL processes might be generated using new or updated process models.