Abstract

Web service composition focuses on combining existing web services into more sophisticated ones to provide more powerful functionality. Web service selection during functionally similar services is a critical issue in web service composition. This paper proposes a method for web service selection based on content of service. Firstly, content of service is defined formally and its property is given. What go after are the content of service initialization and its update. Also, a scoring method is established to evaluate each web service according to content of service and user requirements and then decide whether this web service is reasonable for selection. At last, an example is given to illustrate the whole idea.

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