487views Formal Methods» more  TKDE 2012»
11 years 8 months ago
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
Rajeev Gupta, Krithi Ramamritham
181views Communications» more  MASS 2010»
13 years 4 months ago
Perfectly anonymous data aggregation in wireless sensor networks
Clustering and data aggregation in wireless sensor networks improves scalability, and helps the efficient use of scarce resources. Yet, these mechanisms also introduce some securi...
Levente Buttyán, Tamás Holczer
161views Sensor Networks» more  MSN 2007»
14 years 12 days ago
SAPC: A Secure Aggregation Protocol for Cluster-Based Wireless Sensor Networks
To increase the lifespan of wireless sensor networks (WSN) and preserve the energy of sensors, data aggregation techniques are usually used. Aggregation can be seen as the process ...
Chakib Bekara, Maryline Laurent-Maknavicius, Kheir...