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SENSYS
2004
ACM
12 years 3 months ago
Medians and beyond: new aggregation techniques for sensor networks
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have signi´Čücant power constraint (battery life), makin...
Nisheeth Shrivastava, Chiranjeeb Buragohain, Divya...
ADHOCNOW
2008
Springer
11 years 11 months ago
An Energy-Efficient Query Aggregation Scheme for Wireless Sensor Networks
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
Jun-Zhao Sun
CCS
2006
ACM
12 years 1 months ago
Secure hierarchical in-network aggregation in sensor networks
In-network aggregation is an essential primitive for performing queries on sensor network data. However, most aggregation algorithms assume that all intermediate nodes are trusted...
Haowen Chan, Adrian Perrig, Dawn Xiaodong Song
SASN
2006
ACM
12 years 3 months ago
RANBAR: RANSAC-based resilient aggregation in sensor networks
We present a novel outlier elimination technique designed for sensor networks. This technique is called RANBAR and it is based on the RANSAC (RANdom SAmple Consensus) paradigm, wh...
Levente Buttyán, Péter Schaffer, Ist...
PR
2000
147views more  PR 2000»
11 years 9 months ago
Analog implementation of erosion/dilation, median and order statistics filters
In this work an analog implementation of non-linear filters based on a current-mode sorting/selection network is presented. Three non-linear filters, an erosion/dilation, a median...
Spiridon Vlassis, Kostantinos Doris, Stilianos Sis...
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