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There are support systems for developing cooperating Web service applications for writing a business process execution language (BPEL) scenario. However, these systems are intended for Web application developers since end-users cannot write scenarios without Web application skills. There are two problems with these systems: writing a scenario is difficult and end-users cannot develop complex ones using these systems. To solve these problems, we propose a new support system for scenario writing in which a service composition application can be easily developed using the weight from a component rank method, such as page rank by Google. Our system is not only used when considering the history of a developer to estimate the rank, but uses end-user history, which is the number of time end-users used scenarios. As a result, our proposed system can be used to easily produce a new complex scenario. We also conduct a simulation of the proposed system and compare it with the current support systems to show its effectiveness.