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B. Hofreiter, C. Huemer:
"Flexible Workflow Management in Service Oriented Environments";
in: "Agent-Based Service Oriented Computing", Springer-Verlag, Heidelberg, Berlin, Heidelberg, 2010, ISBN: 978-1-84996-040-3, S. 81 - 111.

Ever faster changing market conditions require businesses to frequently
adapt their business processes and the underlying workflow systems. Serviceoriented
architectures are said to deliver this flexibility by loose coupling. In this
chapter we provide a survey on realizing flexible workflows on top of service oriented
architectures.We show how orchestrations and choreographies may be implemented
by state-of-the-art web services technology. The role of agents in realizing
workflows among services is discussed. Furthermore, we discuss service provision
in dynamic environments, when partners are dynamically bound to the workflow
and when changes to the workflow schema happen.