However, BPEL4WS, in its current implementation, will only serve in a static way
for production workflows. In this chapter we discuss how Semantic Web services
Rabaey, Tromp, Vandenborre, Vand jck, and T mmerman
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through a semantic service-oriented architecture (SSOA) can be used to extend
BPEL4WS to create ad hoc and collaborative workflows.
Introduction
New (business) applications based upon Web services are very promising. An example
is enterprise resource planning (ERP) with Web services. Today, more and more
vendors agree upon Web services standards. One of them is BPEL4WS. However,
at this moment only static workflows can be created with BPEL4WS.
Since SOA has made a breakthrough in EAI and e-business and since SOA uses
Web services, we will look at the possibilities of SOA in this context.
Today, programmers still need to make the link between a Web service and the application
that supports a particular step in a business process.
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