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JDWM
2007
112views more  JDWM 2007»
9 years 11 months ago
Empowering the OLAP Technology to Support Complex Dimension Hierarchies
Comprehensive data analysis has become indispensable in a variety of domains. OLAP (On-Line Analytical Processing) systems tend to perform poorly or even fail when applied to comp...
Svetlana Mansmann, Marc H. Scholl
DOLAP
2005
ACM
10 years 1 months ago
Parallel querying of ROLAP cubes in the presence of hierarchies
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...
DAWAK
2006
Springer
10 years 3 months ago
Extending Visual OLAP for Handling Irregular Dimensional Hierarchies
Comprehensive data analysis has become indispensable in a variety of environments. Standard OLAP (On-Line Analytical Processing) systems, designed for satisfying the reporting need...
Svetlana Mansmann, Marc H. Scholl
DOLAP
1999
ACM
10 years 4 months ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
HICSS
2003
IEEE
105views Biometrics» more  HICSS 2003»
10 years 5 months ago
Experimental Validation of Multidimensional Data Models Metrics
Multidimensional data models are playing an increasingly prominent role in support of day-to-day business decisions. Due to their significance in taking strategic decisions it is ...
Manuel A. Serrano, Coral Calero, Mario Piattini
DOLAP
2009
ACM
10 years 6 months ago
LMDQL: link-based and multidimensional query language
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
Paulo Caetano da Silva, Fábio Santos Souza,...
VLDB
2004
ACM
96views Database» more  VLDB 2004»
10 years 12 months ago
Multidimensional data modeling for location-based services
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
Christian S. Jensen, Augustas Kligys, Torben Bach ...
ICDE
1999
IEEE
118views Database» more  ICDE 1999»
11 years 1 months ago
Maintaining Data Cubes under Dimension Updates
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
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