750 search results - page 72 / 150 » Aggregates in Possibilistic Databases |
ICDM
2007
IEEE
14 years 4 months ago
2007
IEEE
Constraints applied on classic frequent patterns are too strict and may cause interesting patterns to be missed. Hence, researchers have proposed to mine a more relaxed version of...
DMSN
2004
ACM
14 years 3 months ago
2004
ACM
Recent years have witnessed a rapidly growing interest in query processing in sensor and actuator networks. This is mainly due to the increased awareness of query processing as th...
CIDR
2009
13 years 11 months ago
2009
Database management systems (DBMSs) have largely ignored the task of managing the energy consumed during query processing. Both economical and environmental factors now require th...
GIS
2005
ACM
14 years 11 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
SSDBM
2003
IEEE
14 years 3 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...