Research and Design on Growing Metadata of Foundation Spatial Information

At present,with the 3S( RS,GPS and GIS) technology widespread application,fundamental spatial information has a great development from the single thematic information to the multi-source integrated information,and metadata is premise and basis of data integration. This paper has reviewed the classified management for metadata based on the current common metadata and the strong bond between spatial information metadata and business link,and has put forward a model of growing metadata. The model has been successfully integrated into foundation information framework. Then it has effectively promoted exchange and sharing of spatial information.