25 search results - page 1 / 5 » Approximate isocontours and spatial summaries for sensor net... |
IPSN
2007
Springer
13 years 10 months ago
2007
Springer
We consider the problem of approximating a family of isocontours in a sensor field with a topologically-equivalent family of simple polygons. Our algorithm is simple and distribu...
IPSN
2007
Springer
13 years 10 months ago
2007
Springer
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
IPSN
2009
Springer
13 years 11 months ago
2009
Springer
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...
TMC
2011
12 years 11 months ago
2011
—Mission-driven sensor networks usually have special lifetime requirements. However, the density of the sensors may not be large enough to satisfy the coverage requirement while ...
GIS
2010
ACM
13 years 2 months ago
2010
ACM
With resource-efficient summarization and accurate reconstruction of the historic traffic sensor data, one can effectively manage and optimize transportation systems (e.g., road n...