This work is supported by the National Basic Research and Development Program (973 Program) of China (No.2003CB314806); the National Natural Science Foundation of China (No.90204007); the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT).
In order to resolve services composition with the global QoS (Quality of service) constraints, a framework of QoS-aware services composition is presented. The core of the framework is a novel middleware for QoS-awar...