303 search results - page 6 / 61 » Supporting spatial aggregation in sensor network databases |
DEXAW
2005
IEEE
15 years 3 months ago
2005
IEEE
Sensor networks have opened new horizons and opportunities for a variety of environmental monitoring, surveillance and healthcare applications. One of the major tasks of sensor ne...
146
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
We consider the Outsourced Aggregation model, where sensing services outsource their sensor data collection and aggregation tasks to third-party service providers called aggregato...
SENSYS
2003
ACM
15 years 2 months ago
2003
ACM
Sensor networks promise viable solutions to many monitoring problems. However, the practical deployment of sensor networks faces many challenges imposed by real-world demands. Sen...
MDM
2005
Springer
15 years 3 months ago
2005
Springer
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
70
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CIKM
2005
Springer
15 years 3 months ago
2005
Springer
In this paper, we propose a novel energy-efficient approach, a localized routing tree (LRT) coupled with a route redirection (RR) strategy, to support various types of queries. LR...