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Research on metadata schema registry system oriented knowledge service

With the arrival of knowledge service age, the integration of information resources of Legacy System will turn from system level to standard level. Metadata schema registry will be the research hotspot of library science and intelligence science, and it can solve the heterogeneous problem between information systems. This paper is faced to the requirements which knowledge service have of integration of heterogeneous information resources in legacy information system, and proposed the application model and system framework of metadata schema registry system.