303 search results - page 22 / 61 » Supporting spatial aggregation in sensor network databases |
EWSN
2006
Springer
14 years 7 months ago
2006
Springer
Abstract. We propose a lightweight localisation approach for supporting distance and range queries in ad hoc wireless sensor networks. In contrast to most previous localisation app...
DCOSS
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Wireless sensor networks are often densely deployed for environmental monitoring applications. Collecting raw data from these networks can lead to excessive energy consum...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
— In multi-hop wireless networks, the number of supportable VoIP calls can be surprisingly small due to the increased spatial interference. To mitigate the interference, voice fr...
GSN
2009
Springer
14 years 3 days ago
2009
Springer
The understanding of complex environmental phenomena, such as deforestation and epidemics, requires observations at multiple scales. This scale dependency is not handled well by to...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...