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The rapid increase of learning resources makes it difficult to search, manage and reuse. Using metadata is an efficacious way to solve this problem. With consistent descriptions of the characteristics of learning resources, searching becomes more specific and accurate, management becomes more simple and uniform, and sharing becomes more efficient and in-depth. The Learning Object Metadata Schema developed by IEEE P1484.12 is one of the most promising metadata approaches for describing learning resources, on which we developed a learning resource metadata management system (LRMMS). The system provides a platform for users to register, browse, search and evaluate learning resources. It is a decentralized framework with several metadata servers to provide services. The system supports distributed queries and the evaluation loop of learning resources. Users can search resources from different points of view, especially educational needs. We also made the interface as user-friendly as possible.