68 search results - page 4 / 14 » Querying data sources that export infinite sets of views |
DKE
1999
14 years 9 months ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
DAWAK
1999
Springer
15 years 2 months ago
1999
Springer
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
CAISE
1999
Springer
15 years 2 months ago
1999
Springer
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
CIS
2004
Springer
15 years 1 months ago
2004
Springer
rces. A data warehouse can be abstractly seen as a set of materialized views. Selecting views for materialization in a data warehouse is one of the most important decisions making ...