@incollection{TUW-203810, author = {Hofreiter, Birgit and Huemer, Christian}, title = {Flexible Workflow Management in Service Oriented Environments}, booktitle = {Agent-Based Service Oriented Computing}, year = {2010}, pages = {81--111}, publisher = {Springer-Verlag, Heidelberg}, address = {Berlin, Heidelberg}, isbn = {978-1-84996-040-3} }