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» Detection and Exploration of Outlier Regions in Sensor Data ...
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MOBICOM
2010
ACM
13 years 7 months ago
Differential forms for target tracking and aggregate queries in distributed networks
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
Rik Sarkar, Jie Gao
ICDM
2008
IEEE
123views Data Mining» more  ICDM 2008»
14 years 2 months ago
Discovering Flow Anomalies: A SWEET Approach
Given a percentage-threshold and readings from a pair of consecutive upstream and downstream sensors, flow anomaly discovery identifies dominant time intervals where the fractio...
James M. Kang, Shashi Shekhar, Christine Wennen, P...
DMSN
2007
ACM
13 years 11 months ago
SenseSwarm: a perimeter-based data acquisition framework for mobile sensor networks
This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm1 . Our objectives are to explore a given geographic region by detecting and aggregating sp...
Demetrios Zeinalipour-Yazti, Panayiotis Andreou, P...
MDM
2009
Springer
150views Communications» more  MDM 2009»
14 years 2 months ago
Perimeter-Based Data Replication in Mobile Sensor Networks
—This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting spatio-temporal ev...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, M...
DAWAK
2007
Springer
14 years 1 months ago
Mining Top-K Multidimensional Gradients
Several business applications such as marketing basket analysis, clickstream analysis, fraud detection and churning migration analysis demand gradient data analysis. By employing g...
Ronnie Alves, Orlando Belo, Joel Ribeiro