The Cougar Approach to In-Network Query Processing in Sensor Networks By Yong Yao and Johannes Gehrke Cornell University. Presented by Penelope Brooks. Overview. Motivation Sensor Networks Overview Applications Sensor Data Problems in Sensor Networks Cougar Architecture Approach
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Presented by Penelope Brooks
Local computation is much cheaper than communication, so push computation to the network and improve energy consumption
Query Proxy Layer
Towards the gateway
Towards the leader
data from other
TinyDB: An Acquisitional Query Processing System for Sensor Networks
SAMUEL R. MADDEN, MICHAEL J. FRANKLIN, JOSEPH M. HELLERSTEIN, and WEI HONG
ACM Transactions on Database Systems, Vol. 30, No. 1, March 2005, Pages 122–173.