1957 search results - page 24 / 392 » Query Processing in Sensor Networks |
129
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IS
2011
14 years 3 months ago
2011
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
PODS
2005
ACM
15 years 12 months ago
2005
ACM
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
134
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MDM
2010
Springer
14 years 10 months ago
2010
Springer
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...
GIS
2009
ACM
15 years 3 months ago
2009
ACM
In an active WSN where user queries are regularly processed, a significant proportion of nodes relay and overhear data generated by other nodes in the network. In this paper, we ...
SSDBM
2006
IEEE
15 years 5 months ago
2006
IEEE
A phenomenon appears in a sensor network when a group of sensors persist to generate similar behavior over a period of time. PhenomenaBases (or databases of phenomena) are equippe...