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Summary: The Perils of Detecting Measurement Faults in
Environmental Monitoring Networks
(Invited Paper)
Jayant Gupchup, Abhishek Sharma, Andreas Terzis, Randal Burns, Alex Szalay
Johns Hopkins University
Computer Science Department
Email: gupchup,randal,terzis@jhu.edu
University of Southern California
Computer Science Department
Email: abhishek@enl.usc.edu
Johns Hopkins University
Physics and Astronomy Department
Email: szalay@jhu.edu
Abstract--Scientists deploy environmental monitoring net-
works to discover previously unobservable phenomena and
quantify subtle spatial and temporal differences in the physical
quantities they measure. Our experience, shared by others,
has shown that measurements gathered by such networks are
perturbed by sensor faults. In response, multiple fault detection
techniques have been proposed in the literature. However, in this
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