168 search results - page 21 / 34 » Comprehensive Optimization of Declarative Sensor Network Que... |
106
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DMSN
2004
ACM
15 years 5 months ago
2004
ACM
Recent work in sensor databases has focused extensively on distributed query problems, notably distributed computation of aggregates. Existing methods for computing aggregates bro...
MOBIHOC
2008
ACM
15 years 11 months ago
2008
ACM
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...
ESA
2010
Springer
15 years 24 days ago
2010
Springer
As sensor networks increase in size and number, efficient techniques are required to process the very large data sets that they generate. Frequently, sensor networks monitor object...
SIGPRO
2008
14 years 11 months ago
2008
Recently, the DOA (Direction Of Arrival) estimation of an acoustic wavefront has been considered in a setting where the inference task is performed by a Wireless Sensor Network (W...
210
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TKDE
2012
13 years 2 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...