18 search results - page 1 / 4 » Incremental Update to Aggregated Information for Data Wareho... |
DOLAP
2000
ACM
13 years 9 months ago
2000
ACM
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
EDBT
1998
ACM
13 years 8 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...
SIGMOD
1997
ACM
13 years 8 months ago
1997
ACM
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical ...
ICDE
2000
IEEE
14 years 6 months ago
2000
IEEE
: Many companies have recognized the strategic importance of the knowledge hidden in their large databases and have built data warehouses. Typically, updates are collected and appl...