A quad-tree based multiresolution approach for two-dimensional summary data

Authors:
Francesco Buccafurri;Filippo Furfaro;Domenico Sacca;Cristina Sirangelo
Affiliations:
University of Reggio Calabria;University of Calabria;DEIS - University of Calabria;Unversity of Calabria
Venue:
SSDBM '03 Proceedings of the 15th International Conference on Scientific and Statistical Database Management
Year:
2003

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Abstract

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 ...