171 search results - page 12 / 35 » Updating Relational Databases through Object-Based Views |
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
Data warehouses store materialized views over base data from external sources. Clients typically perform complex read-only queries on the views. The views are refreshed periodical...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
ER
1999
Springer
14 years 1 days ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
CACM
1998
13 years 7 months ago
1998
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
OODBS
1992
13 years 12 months ago
1992
This paper addresses the problem of de ning views that span several objectbases. Views are expressed in terms of an object algebra. We are interested in the degrees of coupling an...