Sensor faults: Detection methods and prevalence in real-world datasets

AB Sharma, L Golubchik, R Govindan - ACM Transactions on Sensor …, 2010 - dl.acm.org
Various sensor network measurement studies have reported instances of transient faults in
sensor readings. In this work, we seek to answer a simple question: How often are such …

Subspace energy monitoring for anomaly detection@ sensor or@ edge

A Marchioni, M Mangia, F Pareschi… - IEEE Internet of …, 2020 - ieeexplore.ieee.org
The amount of data generated by distributed monitoring systems that can be exploited for
anomaly detection, along with real time, bandwidth, and scalability requirements leads to the …

Suelo: human-assisted sensing for exploratory soil monitoring studies

N Ramanathan, T Schoellhammer, E Kohler… - Proceedings of the 7th …, 2009 - dl.acm.org
Soil contains vast ecosystems that play a key role in the Earth's water and nutrient cycles,
but scientists cannot currently collect the high-resolution data required to fully understand …

Mote-based online anomaly detection using echo state networks

M Chang, A Terzis, P Bonnet - … Computing in Sensor Systems: 5th IEEE …, 2009 - Springer
Sensor networks deployed for scientific data acquisition must inspect measurements for
faults and events of interest. Doing so is crucial to ensure the relevance and correctness of …

[HTML][HTML] A Bayesian framework for the automated online assessment of sensor data quality

D Smith, G Timms, P De Souza, C D'Este - Sensors, 2012 - mdpi.com
Online automated quality assessment is critical to determine a sensor's fitness for purpose in
real-time applications. A Dynamic Bayesian Network (DBN) framework is proposed to …

Meeting ecologists' requirements with adaptive data acquisition

M Chang, P Bonnet - Proceedings of the 8th ACM Conference on …, 2010 - dl.acm.org
Ecologists instrument ecosystems to collect time series representing the evolution in time
and space of relevant abiotic and biotic factors. Sensor networks promise to improve on …

Data collection with in-network fault detection based on spatial correlation

L Fang, S Dobson - 2014 International Conference on Cloud …, 2014 - ieeexplore.ieee.org
Environmental sensing exposes sensor nodes to environmental stresses that can lead to
various kinds of sampling failure. Recognising such faults in the network can improve data …

An error-free data collection method exploiting hierarchical physical models of wireless sensor networks

L Fang, S Dobson, D Hudges - Proceedings of the 10th ACM symposium …, 2013 - dl.acm.org
Various studies have shown that a substantial portion of the data gathered in real-world
sensing applications is faulty. Most existing fault-detection approaches are off-line …

Anomalies in sensor network deployments: analysis, modeling, and detection

GR Abuaitah - 2013 - rave.ohiolink.edu
A sensor network serves as a vital source for collecting raw sensory data. Sensor data are
later processed, analyzed, visualized, and reasoned over with the help of several decision …

Scientific data management at the Johns Hopkins institute for data intensive engineering and science

Y Ahmad, R Burns, M Kazhdan, C Meneveau… - ACM SIGMOD …, 2011 - dl.acm.org
Scientific computing has long been one of the deep and challenging applications of
computer science and data management, from early endeavors in numerical simulation, to …