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In the large-scale geography information system application, the distributed file system is the key approach for data storage and retrieving, but the traditional distributed spatial index's efficiency is low. We present a dynamic pyramid Rtree(DPR) index for the massive geospatial files management, the method is based on the pyramid spatial index and Rtree index, which can be adjusted with the data...
For the massive remote image file's management, we build the file catalog system of data application based on the part whole ontology of spatial relation. The method is that we analyzed the attributed item of image metadata and calculated the weight for application, then build the catalog concept level relation, calculated the similitude degree of the image attributed item and catalogue node to build...
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