Research on Spatial Data Sharing Based on Metadata and Dataset Management

This paper aims at realizing the standard of spatial data.It points out that sharing data is the prerequisite and there are drawbacks in traditional data sharing mode.It is necessary to set up sharing mechanism of data management on the basis of metadata and dataset.Meanwhile,it puts forward the metadata tactics of data management.It is helpful to solve the difficulty of data sharing in different structure and space.This idea can be implemented at Digital Shandong for metadata sharing.