979 search results - page 10 / 196 » Issues in Developing Very Large Data Warehouses |
DAWAK
2005
Springer
14 years 1 months ago
2005
Springer
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
DOLAP
2004
ACM
14 years 1 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
This paper describes the external forces that motivate financial institutions to collect, aggregate, analyze, and mine data so that it can be transformed into information, one of ...
IEEEARES
2008
IEEE
14 years 2 months ago
2008
IEEE
—Data warehouse (DW) systems integrate data from heterogeneous sources and are used by decision makers to analyze the status and the development of an organization. Traditionally...
IJCSA
2008
13 years 7 months ago
2008
It is well known that transactional and analytical systems each require different database architecture. In general, the database structure of transactional systems is optimized f...