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Study on the Application of Data Grid in the Spatial Data Sharing

Author: MengXianGang
Tutor: YangGuoDong
School: Jilin University
Course: Cartography and Geographic Information Engineering
Keywords: Grid computing Data Grid Stream - confluence Electronic map
CLC: P208
Type: Master's thesis
Year: 2007
Downloads: 237
Quote: 0
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Abstract


Currently , Internet forward its third phase - the development of the grid (Grid) , that achieve all resources on the Internet , including storage resources to calculate full connectivity and sharing of resources , information and communication resources . The emergence and development of the grid for the effective use and sharing of the world 's resources to provide a reliable environment . Geographic information facing problems 3S highly integrated, highly shared network resources can not be synchronized . So around the issues of data sharing , data grid based on grid computing theory . Focused data grid spatial data sharing , the main contents are as follows : (1 ) to examine the existing grid architecture and existing network - sharing system model , compare that to the variety of architecture between the different advantages and disadvantages . ( 2 ) analysis of the existing lack of grid GIS data sharing and data grid data sharing relationship proposed to solve this problem with the integration of the data grid . ( 3 ) a comprehensive analysis of existing spatial data sharing mode share in the realization of the lack of PT level of GIS data sharing , analysis of grid technology in data sharing technology obtained is bound to become the next generation of network protocols , but also the seamless integration of multi-source data necessary support technology . (4 ) The combination of the data grid and multi - source data seamlessly integrated theory of confluence - shunt spatial data sharing mode . More practical and easy to implement geographic information integration platform through the electronic map , to test the practicality and feasibility of confluence - shunt spatial data sharing mode , in order to solve the problems that exist in relatively large network of spatial data sharing .

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CLC: > Astronomy,Earth Sciences > Surveying and Mapping > General issues > Mapping database and information system
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