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» Hierarchies in a multidimensional model: From conceptual mod...
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EJC
2008
13 years 6 months ago
Conceptual Modeling of IS-A Hierarchies for XML
In this paper we briefly describe a new conceptual model for XML called XSEM. It is a combination of several approaches in the area. It divides the conceptual modeling process to c...
Martin Necasky, Jaroslav Pokorný
GIS
2004
ACM
14 years 6 months ago
Representing spatiality in a conceptual multidimensional model
Data Warehouses and On-Line Analytical Processing systems rely on a multidimensional model that includes dimensions, hierarchies, and measures. Such model allows to express users&...
Elzbieta Malinowski, Esteban Zimányi
EDBT
1998
ACM
119views Database» more  EDBT 1998»
13 years 9 months ago
A Logical Approach to Multidimensional Databases
In this paper we present MD, a logical model for OLAP systems, and show how it can be used in the design of multidimensional databases. Unlike other models for multidimensional dat...
Luca Cabibbo, Riccardo Torlone
DMDW
2001
127views Management» more  DMDW 2001»
13 years 6 months ago
MAC: Conceptual data modeling for OLAP
In this paper we address the issue of conceptual modeling of data used in multidimensional analysis. We view the problem from the end-user point of view and we describe a set of r...
Aris Tsois, Nikos Karayannidis, Timos K. Sellis