Research on dynamic business composition based on web service proxies

• We study a approach of dynamic business composition based on a proxy framework.
• We improve the proxy framework with structure and new module.
• We introduce a QoS model that reflects the user experience and the personalized requirements.
• We develop service selection and algorithms to construct business process based on service slice.
• The performances of the algorithms were studied by extensive simulations.

Web services-based business composition brings a number of advantages to the enterprise application development. How to select and compose the web services based on their functionality and QoS (Quality of Service) dynamically prove to be more and more important. In this paper we develop a proxy-based framework to compose Web services dynamically. The framework is featured with a QoS model, an effective service discovery and selection algorithms to facilitate the dynamic integration of Web services and management of abnormalities. Furthermore, a business process constructing method based on service slice is put forward to satisfy the users’ personalized requirements more effectively and flexibly. Our study concerns both functionality and QoS characteristics of Web services to identify the optimal business process solutions. A Complete case study is also included in this paper and the performance demonstrated that the framework and algorithms can provide a tangible and reliable solution to dynamic Web service composition and adaptation.