710 search results - page 133 / 142 » Composite Event Detection in Wireless Sensor Networks |
EWSN
2009
Springer
15 years 11 months ago
2009
Springer
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...
77
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PERCOM
2005
ACM
15 years 10 months ago
2005
ACM
In this paper, we describe the middleware that has evolved from our attempt to capture user descriptions of policies controlling devices and services from natural language. Descri...
118
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SAC
2011
ACM
14 years 2 months ago
2011
ACM
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...
VTC
2007
IEEE
15 years 5 months ago
2007
IEEE
—WPAN technologies such as IEEE 802.15.4 have been introduced to allow for energy-efficient communication of control and sensor data. In certain application areas, it is benefici...
97
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PERCOM
2009
ACM
15 years 11 months ago
2009
ACM
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...