303 search results - page 28 / 61 » Supporting spatial aggregation in sensor network databases |
GIS
2005
ACM
14 years 8 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...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
EWSN
2008
Springer
14 years 7 months ago
2008
Springer
Today it is possible to deploy sensor networks in the real world and collect large amounts of raw sensory data. However, it remains a major challenge to make sense of sensor data, ...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
Mobile clients feature increasingly sophisticated wireless networking support that enables realtime information exchange with remote databases. Location-dependent queries, such as...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
SwissQM is a novel sensor network platform for acquiring data from the real world. Instead of statically hand-crafted programs, SwissQM is a virtual machine capable of executing b...