173 search results - page 2 / 35 » Consistent Query Answering in Data Warehouses |
DOLAP
1998
ACM
13 years 9 months ago
1998
ACM
Though designing a data warehouse requires techniques completely different from those adopted for operational systems, no significant effort has been made so far to develop a comp...
DEXA
1998
Springer
13 years 9 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
CORR
2002
Springer
13 years 5 months ago
2002
Springer
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
ICPADS
2005
IEEE
13 years 11 months ago
2005
IEEE
Data warehouses store large volumes of data according to a multidimensional model with dimensions representing different axes of analysis. OLAP systems (OnLine Analytical Processi...
ICDE
1997
IEEE
14 years 6 months ago
1997
IEEE
Data warehouses collect copies of information from remote sources into a single database. Since the remote data is cached at the warehouse, it appears as local relations to the us...