Algèbre OLAP et langage graphique

Details Algèbre OLAP et langage graphique Algèbre OLAP et langage graphique

2010-05-03

arxiv.org/abs/1005.0213v1

Congr\`es Informatique des Organisations et Syst\`emes d'Information et de D\'ecision - INFORSID'06, Hammamet : Tunisie (2006)

Computer Science

Databases

Scientific paper

This article deals with OLAP systems based on multidimensional model. The conceptual model we provide, represents data through a constellation (multi-facts) composed of several multi-hierarchy dimensions. In this model, data are displayed through multidimensional tables. We define a query algebra handling these tables. This user oriented algebra is composed of a closure core of OLAP operators as soon as advanced operators dedicated to complex analysis. Finally, we specify a graphical OLAP language based on this algebra. This language facilitates analyses of decision makers.

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