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HPCC
2007
Springer
14 years 3 months ago
A Data Imputation Model in Sensor Databases
Data missing is a common problem in database query processing, which can cause bias or lead to inefficient analyses, and this problem happens more often in sensor databases. The re...
Nan Jiang
SIGMETRICS
2011
ACM
296views Hardware» more  SIGMETRICS 2011»
12 years 11 months ago
Cellular data network infrastructure characterization and implication on mobile content placement
Despite the tremendous growth in the cellular data network usage due to the popularity of smartphones, so far there is rather limited understanding of the network infrastructure o...
Qiang Xu, Junxian Huang, Zhaoguang Wang, Feng Qian...
TSP
2010
13 years 3 months ago
Optimal/near-optimal dimensionality reduction for distributed estimation in homogeneous and certain inhomogeneous scenarios
We consider distributed estimation of a deterministic vector parameter from noisy sensor observations in a wireless sensor network (WSN). The observation noise is assumed uncorrela...
Jun Fang, Hongbin Li
ROBOCOMM
2007
IEEE
14 years 3 months ago
Shared memories: a trail-based coordination server for robot teams
Abstract—Robust, dependable and concise coordination between members of a robot team is a critical ingredient of any such collective activity. Depending on the availability and t...
George Roussos, Dikaios Papadogkonas, J. Taylor, D...
HYBRID
2009
Springer
14 years 3 months ago
Convergence of Distributed WSN Algorithms: The Wake-Up Scattering Problem
In this paper, we analyze the problem of finding a periodic schedule for the wake-up times of a set of nodes in a Wireless Sensor Network that optimizes the coverage of the region...
Daniele Fontanelli, Luigi Palopoli, Roberto Passer...