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GIS
2010
ACM
13 years 4 months ago
Energy-efficient processing of spatio-temporal queries in wireless sensor networks
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...
Markus Bestehorn, Klemens Böhm, Erik Buchmann...
MDM
2009
Springer
299views Communications» more  MDM 2009»
14 years 1 months ago
Aggregate Location Monitoring for Wireless Sensor Networks: A Histogram-Based Approach
Location monitoring systems are used to detect human activities and provide monitoring services, e.g., aggregate queries. In this paper, we consider an aggregate location monitori...
Chi-Yin Chow, Mohamed F. Mokbel, Tian He
ADHOCNOW
2008
Springer
14 years 1 months ago
Geographic Routing with Early Obstacles Detection and Avoidance in Dense Wireless Sensor Networks
Existing geographic routing algorithms for sensor networks are mainly concerned with finding a path toward a destination, without explicitly addressing the impact of obstacles on ...
Luminita Moraru, Pierre Leone, Sotiris E. Nikolets...
ICDCS
2007
IEEE
14 years 1 months ago
Non-Threshold based Event Detection for 3D Environment Monitoring in Sensor Networks
Event detection is a crucial task for wireless sensor network applications, especially environment monitoring. Existing approaches for event detection are mainly based on some pre...
Mo Li, Yunhao Liu, Lei Chen 0002
INFOCOM
2007
IEEE
14 years 1 months ago
Detecting Phantom Nodes in Wireless Sensor Networks
—In an adversarial environment, various kinds of security attacks become possible if malicious nodes could claim fake locations that are different from where they are physically ...
Joengmin Hwang, Tian He, Yongdae Kim