Algebraic and Graphic Languages for OLAP Manipulations

Franck Ravat, Olivier Teste, Ronan Tournier and Gilles Zurfluh
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Franck Ravat: Universite Toulouse I, France
Olivier Teste: Universite Toulouse III, France
Ronan Tournier: Universite Toulouse III, France
Gilles Zurfluh: Universite Toulouse I, France

International Journal of Data Warehousing and Mining (IJDWM), 2008, vol. 4, issue 1, 17-46

Abstract: This article deals with multidimensional analyses. Analyzed data are designed according to a conceptual model as a constellation of facts and dimensions, which are composed of multi-hierarchies. This model supports a query algebra defining a minimal core of operators, which produce multidimensional tables for displaying analyzed data. This user-oriented algebra supports complex analyses through advanced operators and binary operators. A graphical language, based on this algebra, is also provided to ease the specification of multidimensional queries. These graphical manipulations are expressed from a constellation schema and they produce multidimensional tables.

Date: 2008
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