672 search results - page 21 / 135 » Query Management in a Sensor Environment |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Skyline query has been received much attention due to its wide application backgrounds for multi-preference and decision making. In this paper we consider skyline query evaluation...
MOBISYS
2008
ACM
14 years 7 months ago
2008
ACM
Proactively providing services to mobile individuals is essential for emerging ubiquitous applications. The major challenge in providing users with proactive services lies in cont...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
In this paper we introduce the idea of snapshot queries for energy efficient data acquisition in sensor networks. Network nodes generate models of their surrounding environment th...
PERCOM
2007
ACM
14 years 7 months ago
2007
ACM
This research is motivated by emerging, real-world wireless sensor network applications for monitoring and control. We examine the benefits and costs of caching data for such appli...
CIKM
2005
Springer
13 years 9 months ago
2005
Springer
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...