536 search results - page 8 / 108 » Virtual Sensors: Abstracting Data from Physical Sensors |
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...
ALGOSENSORS
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. Due to their small form factor and modest energy budget, individual sensors are not expected to be GPS-enabled. Moreover, in most applications, exact geographic location ...
ADHOC
2007
14 years 9 months ago
2007
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
CISS
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider a sensor network in which the sensors communicate at will when they have something to report, without prior coordination with other sensors or with data collection ...
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IADIS
2003
14 years 11 months ago
2003
Power transformers' failures carry great costs to electric companies since they need resources to recover from them and to perform periodical maintenance. To avoid this probl...