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132
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GISCIENCE
2008
Springer
15 years 4 months ago
2008
Springer
Movement patterns, like flocking and converging, leading and following, are examples of high-level process knowledge derived from lowlevel trajectory data. Conventional techniques...
115
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
131
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TSP
2008
15 years 3 months ago
2008
A cross-layered slotted ALOHA protocol is proposed and analyzed for distributed estimation in sensor networks. Suppose that the sensors in the network record local measurements of ...
227
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GIS
2007
ACM
16 years 4 months ago
2007
ACM
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
129
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IPSN
2005
Springer
15 years 9 months ago
2005
Springer
Geographic routing with greedy relaying strategies have been widely studied as a routing scheme in sensor networks. These schemes assume that the nodes have perfect information ab...