1. Aggarwal, R., et al.: Constraint driven Web service composition in METEOR-S. In: Proc. of IEEE Conf on Service Computing (SCC 2004), Shanghai, China (Sepember 2004)
2. BPMI.org.: Business Process Modeling Language (BPML), Version 1.0 (November 2002),
http://www.bpmi.org/bpml.esp
3. Casati, F., Ilnicki, S., Jin, L., Krishnamoorthy, V., Shan, M.: Adaptive and dynamic service composition in eflow. Technical Report, HPL-200039, Software Tech Lab (March 2000)
4. Curbera, F., Goland, Y., Klein, J., Leymann, F., Roller, D., Thatte, S., Weerawarana, S.: Business Process Execution Language for Web services, Version 1.1 (May 2003),
http://www-106.ibm.com/developerworks/webservices/library/ws-bpel
5. Dan, A., et al.: Web services on demand: WSLA-driven automated management. IBM Systems Journal 43(1), 136–158 (2004)