642 search results - page 30 / 129 » Materialized Views in Data Mining |
DEXA
1998
Springer
14 years 15 days 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...
EDBTW
2006
Springer
13 years 10 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
1991
ACM
13 years 12 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...
WMCSA
2003
IEEE
14 years 1 months ago
2003
IEEE
Emerging ubiquitous and pervasive computing applications often need to know where things are physically located. To meet this need, many locationsensing systems have been develope...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...