Computer Science ›› 2013, Vol. 40 ›› Issue (5): 8-10.

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Area-location Association and Comprehensive Expression of Multi-source Spatial Information Based on Global Subdivision Framework

YANG Yu-bo,CHENG Cheng-qi,HAO Ji-gang and LU Nan   

  • Online:2018-11-16 Published:2018-11-16

Abstract: Traditional GIS lacks the ability to establish the relationship between geographic object and its related global massive multi-source spatial information.GeoSOT subdivision framework was used to organize and manage multi-source spatial information in a unified manner,and "Object-Mesh-Data" three-layer spatial information organizational mechanism was put forward.Based on this mechanism,multi-source spatial information area-location association model was designed to support association and query of spatial information.In order to validate this model,multi-source spatial information comprehensive expression experiment was carried out.The experiment result proves the effectiveness of this model,which can improve the application performance of massive multi-source spatial information.

Key words: Global subdivision,GeoSOT subdivision framework,Multi-source spatial information,Area-location association,Comprehensive expression

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