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» Data Quality and Query Cost in Wireless Sensor Networks
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SIGMOD
2008
ACM
245views Database» more  SIGMOD 2008»
14 years 7 months ago
Information fusion in wireless sensor networks
In wireless sensor networks (WSNs), energy consumption and data quality are two important issues due to limited energy resources and the need for accurate data. In this scenario, i...
Eduardo Freire Nakamura, Antonio Alfredo Ferreira ...
SAC
2008
ACM
13 years 7 months ago
Error estimation in wireless sensor networks
We present an analogy between the operation of a Wireless Sensor Network and the sampling and reconstruction of a signal. We measure the impact of three factors on the quality of ...
Alejandro César Frery, Heitor Ramos, Jos&ea...
TPDS
2008
120views more  TPDS 2008»
13 years 7 months ago
A New Storage Scheme for Approximate Location Queries in Object-Tracking Sensor Networks
Energy efficiency is one of the most critical issues in the design of wireless sensor networks. Observing that many sensor applications for object tracking can tolerate a certain d...
Jianliang Xu, Xueyan Tang, Wang-Chien Lee
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
14 years 7 months ago
The Design of an Acquisitional Query Processor For Sensor Networks
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...
Samuel Madden, Michael J. Franklin, Joseph M. Hell...
MMNS
2001
96views Multimedia» more  MMNS 2001»
13 years 9 months ago
The Impact of Confidentiality on Quality of Service in Heterogeneous Voice over IP Networks
Abstract. With the advent of ubiquitous access to multimedia content via wireless networks, users are more likely to have their data traverse a heterogeneous internetwork. Given th...
Johnathan M. Reason, David G. Messerschmitt