6Menasee D A. QoS issues in Web service. Internet Computing, 2002, 6(6): 72-75
7Davis L, Gamble R, Hepner M, Kelkar M. Toward formalizing service integration glue code//Proceedings of the 2005 IEEE International Conference on Services Computing. Orlando, FL, USA, 2005, 1:165-172
8Cardoso J. Quality of service and semantic composition of workflows [Ph. D. dissertation]. Athens, GA, USA: University of Georgia, 2002
9Zeng L Z, Benatallah B, Ngu Anne H H, Dumas M, Kalagnanam J, Chang H. QoS-aware middleware for Web services composition. IEEE Transaetions on Software Engineering, 2004, 30(5): 311-327
10Gronmo R, Jaeger M C. Model-driven methodology for building QoS-optimised Web service compositions//Proceedings of the 5th IFIP International Conference on Distributed Applieations and Interoperable Systems (DAIS 05). Athens, Greece, 2005:68-82
