Services location mechanism based on cloud evaluation in grid workflow
网格工作流中基于云评价的服务定位机制

With the competition among enterprises becomes more intense and with the development of grid-based e-business, how to improve the efficiency of grid workflow is the key. Because grid has some characteristics such as dynamic, heterogeneous, scalable and autonomy, grid services are uncertain or qualitative. Grid is a scale-free network, and a method is presented which can acquire higher quality services and can improve the efficiency of grid workflow largely if it utilizes the characteristics of collected node of grid and use cloud model to transform the qualitative grid services into quantitative expression.