This study proposes useful patterns for implementing the web platforms that support creation type programs. To implement these platforms, existing social networking services (SNS) were utilized. The functions required by these web platforms were combined with the functions supported by five typical SNSs. Then, the SNSs appropriate for the platform introduction purposes were selected, and the utilization patterns for simplifying their setup procedure were devised. In addition, about three actual

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... creation type programs, we implemented the web platforms based on the proposed utilization patterns, and confirmed their practicability and effect. In the future, we will examine the effective operation system of the web platforms and evaluate their applications to another type programs, etc., for promoting the experimental studies of platform management.