1. Papazoglou, M.P., Traverso, P., Dustdar, S., Leymann, F., Krämer, B.J.: Service-oriented computing: A research roadmap. In: Dagstuhl Seminar Proceedings on Service-Oriented Computing (2006)
2. Jordan, D., et al.: Web services business process execution language (WSBPEL) 2.0 (2007),
http://www.oasis-open.org/committees/wsbpel/
3. OMG: Business Process Modeling Notation Specification, Version 1.1 (2007)
4. Reichert, M., Dadam, P.: ADEPT_Flex - supporting dynamic changes of workflows without losing control. Journal of Intelligent Information Systems 10(2), 93–129 (1998)
5. Lecture Notes in Computer Science;S. Rinderle,2004