357 search results - page 26 / 72 » Sparse data aggregation in sensor networks |
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
AMW
2010
14 years 11 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
175
click to vote
GIS
2008
ACM
15 years 10 months ago
2008
ACM
By embedding sensors in mobile devices, it is possible to exploit the ubiquitous presence of these devices to construct applications for large-scale sensing and monitoring of envi...
111
click to vote
IS
2006
14 years 9 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
185
click to vote
GIS
2004
ACM
15 years 10 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...