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《Microelectronics & Computer》 2003-07
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Metadata Schema Framework of Scientific Databases

YANG De-ting,YAN Bao-ping(Computer Network Information Center,The Chinese Academy of Sciences,Beijing100080)  
The design of Metadata Schema Framework is of much importance in Metadata System of Scientific Databases.The rationality and practicability of the design determines the metadata's quality directly.The author firstly analyses the characteristics of Scientific Databases and the requirements of metadata standard implementers.Based on the thorough analysis of requirements,she presents metadata schema framework of Scientific Databases and explains the structure and function of SDB Metadata Registry.Then she illustrates Metadata Schemas which is the core component of the registry.Finally,the author discusses the mechanism of interoperability and extension in this system.
【Fund】: 十五863基金资助项目(2002AA104240)
【CateGory Index】: TP311.13
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