373 search results - page 11 / 75 » Minimum-hot-spot query trees for wireless sensor networks |
JSS
2010
13 years 6 months ago
2010
This paper investigates a class of mobile wireless sensor networks that are unconnected most of the times; we refer to them as delay–tolerant wireless sensor networks (DTWSN). T...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
In-network sensor query processing systems (ISQPs), or sensor databases, have been developed to acquire, process and aggregate data from wireless sensor networks (WSNs). Because W...
VTC
2007
IEEE
14 years 2 months ago
2007
IEEE
— Heterogeneous wireless sensor networks are made up of different kinds of nodes. Some nodes, the sensors, are used as an interface to the physical environment. Other nodes act i...
CIKM
2005
Springer
14 years 1 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...
MDM
2005
Springer
14 years 1 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...