464 search results - page 6 / 93 » Integrating Heterogeneous Multidimensional Databases |
ICDM
2008
IEEE
14 years 2 months ago
2008
IEEE
Since Jim Gray introduced the concept of ”data cube” in 1997, data cube, associated with online analytical processing (OLAP), has become a driving engine in data warehouse ind...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
Multidimensional access methods have shown high potential for significant performance improvements in various application domains. However, only few approaches have made their way...
DLOG
1996
1996
Resolving Semantic Heterogeneity in Databases with a Terminological Model: Correspondence Refinement
13 years 9 months ago
The success of schema integration in multidatabase systems relies heavily on the determination of complete and refined correspondence relationships between them. So, the candidate...
ISI
2002
Springer
13 years 7 months ago
2002
Springer
Dealing with large volumes of data, OLAP data cubes aggregated values are often spoiled by errors due to missing values in detailed data. This paper suggests to adjust aggregate an...
ADBIS
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. To meet the new, more sophisticated needs of decision makers, a new generation of BI systems is emerging. In this paper we focus on two enabling technologies for this new...