Cost-drive Service Composition
代价驱动的服务组合

The characteristics of Internet such as open,autonomy and dynamic impose new challenges on share and composition over internet resources.Meanwhile,researchs on runtime QoS-guarantee of Web service composition,service redundant technology and replanning are very important fault-tolerant methods.But they are facing severe problems on high-cost,requirement of real-time and infeasibility of replanning strategy.Fault tolerance is a trade-off between QoS-guarantee and extra-overhead.In order to reduce the fault-t...