Design and Implementation of NGDC Geospatial Metadata Management System.

As an important part of the geospatial framework, National Geospatial Data Center (NGDC) is a website which can provide potential users with convenient geospatial metadata query services. It will improve the development of Digital City strongly. This paper firstly analyzes the content of the geospatial metadata. It puts forward the concept of the Integrated Geospatial Metadata based on the analysis of geospatial metadata query conditions entered in the NGDC website. The NGDC geospatial metadata management system is developed according to the Integrated Geospatial Metadata. ? Springer Science+Business Media Dordrecht 2014.