5 search results - page 1 / 1 » What-If Analysis for Data Warehouse Evolution |
DAWAK
2007
Springer
13 years 11 months ago
2007
Springer
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse We abstract software modules, queries, r...
CSMR
2008
IEEE
13 years 11 months ago
2008
IEEE
Databases are continuously evolving environments, where design constructs are added, removed or updated rather often. Small changes in the database configurations might impact a l...
ER
1998
Springer
13 years 9 months ago
1998
Springer
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
WIIW
2001
13 years 6 months ago
2001
Web Data Warehouses have been introduced to enable the analysis of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature...
DEXA
2009
Springer
13 years 11 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...