996 search results - page 31 / 200 » Partial Materialized Views |
DKE
1999
13 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...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. Since XML is used as a storage format in an increasing number of applications, security has become an important issue in XML databases. One aspect of security is restrict...
VLDB
2001
ACM
14 years 10 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
VLDB
1991
ACM
14 years 1 months ago
1991
ACM
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...
ICDE
1997
IEEE
14 years 11 months ago
1997
IEEE
A data warehouse stores integrated information from multiple distributed data sources. In effect, the warehouse stores materialized views over the source data. The problem of ensu...