Research of Data Model and Data Structure of Integrated Management of Coal Mine Geospatial Data

Based on analysis of geospatial data characteristics and entity expression of coal mine,the paper proposed an integrated management model,which adopted E-R model,object oriented data model and object-relation data model respectively according to different data source,and gave data structure of the model.The research on the topic had some reference meaning to development of geographic(information) system of coal mine.