Development of a Metadata System for Fundamental Urban GIS Framework
城市基础地理信息集成的元数据平台开发

Through analysis of metadata standards from home and abroad,a metadata standard system for middle and small cities is suggested,it's suitable for the building of fundamental urban GIS frameworks.The structure of the metadata database is designed,and a metadata system is developed with XML,so that the metadata can be managed and published.The metadata system has been successfully applied in building the fundamental GIS framework of Yangzhou Economic Development Region,and large volumes of spatial data has been seamlessly integrated to provide data service with the help of this system.