Business-Pattern-Evolution Based Service Composition with Flexibility

In order to improve the flexibility of template based service composition, we develop a service composition approach. This approach adds evolutions of business patterns to the template based service composition to generate new business patterns if there is no available appropriate pattern towards user´s request. Three evolution ways are proposed, including: application evolution, refinement evolution and composition evolution. We also formulate the evolution methods. Finally, we illustrate the prototype of the approach and the experiments show the better performance of our approach in improving the flexibility.