635 search results - page 17 / 127 » Expiring Data in a Warehouse |
DOLAP
1999
ACM
14 years 2 months ago
1999
ACM
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
In this demo we present X-Time, a prototype for managing schema versioning in relational data warehouses, specifically oriented to support the formulation of crossversion queries,...
SIGMOD
1997
ACM
14 years 2 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 ...
ICEIS
2009
IEEE
14 years 4 months ago
2009
IEEE
Data warehouses have been widely used in various capacities such as large corporations or public institutions. These systems contain large and rich datasets that are often used by ...