766 search results - page 67 / 154 » Commuting aggregation operators |
ECSQARU
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. The problem of averaging outcomes under several scenarios to form overall objective functions is of considerable importance in decision support under uncertainty. The fuz...
OTM
2007
Springer
14 years 3 months ago
2007
Springer
The information that is made available through the semantic web will be accessed through complex programs (web-services, sensors, etc.) that may interact in sophisticated ways. Com...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper, we study SQL queries with aggregate subqueries that share common tables and conditions with the outer query. While several approaches can deal with such queries, th...
IJNSEC
2007
13 years 8 months ago
2007
This paper reports a research work to address the problem of the large number of alerts generated by the detectors in an intrusion detection system. Some of these alerts are redun...
DEXA
2008
Springer
13 years 10 months ago
2008
Springer
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...