1295 search results - page 21 / 259 » Technology Challenges in a Data Warehouse |
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Active Data Warehousing has emerged as an alternative to conventional warehousing practices in order to meet the high demand of applications for up-to-date information. In a nutsh...
CCGRID
2003
IEEE
14 years 3 months ago
2003
IEEE
The availability of digital imagers inside hospitals and their ever growing inspection capabilities have established digital medical images as a key component of many pathologies ...
VLDB
2000
ACM
14 years 1 months ago
2000
ACM
A well-known challenge in data warehousing is the efficient incremental maintenance of warehouse data in the presence of source data updates. In this paper, we identify several cr...
IEEECIT
2005
IEEE
14 years 3 months ago
2005
IEEE
Web warehouse provides high availability and efficiency by utilizing materialized webviews, which should be refreshed in time to keep freshness. During the refreshing, the consis...
DAWAK
1999
Springer
14 years 2 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...