Detecting anomalies in time series data via a meta-feature based approach

M Hu, Z Ji, K Yan, Y Guo, X Feng, J Gong, X Zhao… - Ieee …, 2018 - ieeexplore.ieee.org
Anomaly detection of time series is an important topic that has been widely studied in many
application areas. A number of computational methods were developed for this task in the …

Recursive hybrid variable monitoring for fault detection in nonstationary industrial processes

M Wang, D Zhou, M Chen - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
Practical industrial processes usually have nonstationary properties, which make the
monitoring more challenging because the fault information may be buried by nonstationary …

Anomaly monitoring of nonstationary processes with continuous and two-valued variables

M Wang, D Zhou, M Chen - IEEE Transactions on Systems …, 2022 - ieeexplore.ieee.org
With the increasing complexity and scale of modern industrial processes, there widely exist
two-valued variables (TVs), such as status monitoring and numerical range variables …

Collecting multi-type and correlation-constrained streaming sensor data with local differential privacy

Y Fu, Q Ye, R Du, H Hu - ACM Transactions on Sensor Networks, 2023 - dl.acm.org
Local differential privacy (LDP) is a promising privacy model for distributed data collection. It
has been widely deployed in real-world systems (eg Chrome, iOS, macOS). In LDP-based …

Mithra: Anomaly detection as an oracle for cyberphysical systems

A Afzal, C Le Goues… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Testing plays an essential role in ensuring the safety and quality of cyberphysical systems
(CPSs). One of the main challenges in automated and software-in-the-loop simulation …

A feature weighted mixed naive Bayes model for monitoring anomalies in the fan system of a thermal power plant

M Wang, L Sheng, D Zhou… - IEEE/CAA Journal of …, 2022 - ieeexplore.ieee.org
With the increasing intelligence and integration, a great number of two-valued variables
(generally stored in the form of 0 or 1) often exist in large-scale industrial processes …

Probabilistic SAX: A cognitively-inspired method for time series classification in cognitive iot sensor network

V Jha, P Tripathi - Mobile Networks and Applications, 2024 - Springer
Abstract Cognitive Internet of Things (CIoT) is a new subfield of the Internet of Things (IoT)
that aims to integrate cognition into the IoT's architecture and design. Various CIoT …

Modifying the symbolic aggregate approximation method to capture segment trend information

MM Muhammad Fuad - Modeling Decisions for Artificial Intelligence: 17th …, 2020 - Springer
Abstract The Symbolic Aggregate appro**mation (SAX) is a very popular symbolic
dimensionality reduction technique of time series data, as it has several advantages over …

Local correlation detection with linearity enhancement in streaming data

Q **e, S Shang, B Yuan, C Pang, X Zhang - Proceedings of the 22nd …, 2013 - dl.acm.org
This paper addresses the challenges in detecting the potential correlation between
numerical data streams, which facilitates the research of data stream mining and pattern …