Extensions of GAP-tree and its implementation based on a non-topological data model
International Journal of Geographical Information Science
A quantitative scale-setting approach for building multi-scale spatial databases
Computers & Geosciences
Modeling multi-object spatial relationships for satellite image database indexing and retrieval
CIVR'05 Proceedings of the 4th international conference on Image and Video Retrieval
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OLAP(On-Line Analytical Processing) servers usually precompute data cubes to improve the response time of possible aggregate queries over cuboids with different grouping attributes. To reduce the huge size of a sparse data cube, the base single tuples ...