11 search results - page 2 / 3 » Dimension hierarchies updates in data warehouses - a user-dr... |
DEXA
2009
Springer
14 years 24 days 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...
DOLAP
2005
ACM
13 years 8 months ago
2005
ACM
Several surveys indicate that a significant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requireme...
DOLAP
2003
ACM
13 years 11 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
DOLAP
2008
ACM
13 years 8 months ago
2008
ACM
Multidimensional analysis allows decision makers to efficiently and effectively use data analysis tools, which mainly depend on multidimensional (MD) structures of a data warehous...
EDBT
1998
ACM
13 years 10 months ago
1998
ACM
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...