Yuan Yuan, Xiuguo Zhang, Wenxi Sun, Zhiying Cao, Hao Wang
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Optimal Web Service Composition Based on Context-Awareness and Genetic Algorithm
This paper presents a Web service composition method which supports the associations of services in order to improve the success rate of Web service composition and the quality of the composite service. Firstly, a context-aware web service composition model is built and this paper introduces the concept of service-correlation matrix which means presenting the context of service components in the form of matrix and dynamically updating the matrix with context-awareness technology. Secondly, this paper introduces genetic algorithm into web service composition. Experimental results indicate that the method in this paper effectively reduces the deviation between the theoretical value and the practical value of the context properties of the composite web services which are significantly associated with others.