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» Relay sensor placement in wireless sensor networks
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SSDBM
2007
IEEE
212views Database» more  SSDBM 2007»
15 years 4 months ago
Adaptive-Size Reservoir Sampling over Data Streams
Reservoir sampling is a well-known technique for sequential random sampling over data streams. Conventional reservoir sampling assumes a fixed-size reservoir. There are situation...
Mohammed Al-Kateb, Byung Suk Lee, Xiaoyang Sean Wa...
EUROSSC
2007
Springer
15 years 3 months ago
Recognition of User Activity Sequences Using Distributed Event Detection
We describe and evaluate a distributed architecture for the online recognition of user activity sequences. In a lower layer, simple heterogeneous atomic activities were recognised ...
Oliver Amft, Clemens Lombriser, Thomas Stiefmeier,...
IJSEKE
1998
141views more  IJSEKE 1998»
14 years 9 months ago
REINAS: A Real-Time System for Managing Environmental Data
Managing scientific data is a challenging task, and many of the problems it presents have yet to be adequately solved. The Real-time Environmental Information Network and Analysi...
Eric C. Rosen, Theodore R. Haining, Darrell D. E. ...
EWSN
2009
Springer
15 years 10 months ago
Experimental Study of the Impact of WLAN Interference on IEEE 802.15.4 Body Area Networks
As the number of wireless devices sharing the unlicensed 2.4 GHz ISM band increases, interference is becoming a problem of paramount importance. We experimentally investigate the e...
Jan-Hinrich Hauer, Vlado Handziski, Adam Wolisz
PERCOM
2004
ACM
15 years 9 months ago
A Mobility Gateway for Small-Device Networks
Networks of small devices, such as environmental sensors, introduce a number of new challenges for traditional protocols and approaches. In particular, the extreme resource constr...
Robert C. Chalmers, Kevin C. Almeroth