A systematic literature review of IoT time series anomaly detection solutions

A Sgueglia, A Di Sorbo, CA Visaggio… - Future Generation …, 2022 - Elsevier
The rapid spread of the Internet of Things (IoT) devices has prompted many people and
companies to adopt the IoT paradigm, as this paradigm allows the automation of several …

A survey on data-driven predictive maintenance for the railway industry

N Davari, B Veloso, GA Costa, PM Pereira, RP Ribeiro… - Sensors, 2021 - mdpi.com
In the last few years, many works have addressed Predictive Maintenance (PdM) by the use
of Machine Learning (ML) and Deep Learning (DL) solutions, especially the latter. The …

Revisiting time series outlier detection: Definitions and benchmarks

KH Lai, D Zha, J Xu, Y Zhao, G Wang… - Thirty-fifth conference on …, 2021 - openreview.net
Time series outlier detection has been extensively studied with many advanced algorithms
proposed in the past decade. Despite these efforts, very few studies have investigated how …

An evaluation of anomaly detection and diagnosis in multivariate time series

A Garg, W Zhang, J Samaran… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Several techniques for multivariate time series anomaly detection have been proposed
recently, but a systematic comparison on a common set of datasets and metrics is lacking …

Correlation-aware spatial–temporal graph learning for multivariate time-series anomaly detection

Y Zheng, HY Koh, M **, L Chi, KT Phan… - … on Neural Networks …, 2023 - ieeexplore.ieee.org
Multivariate time-series anomaly detection is critically important in many applications,
including retail, transportation, power grid, and water treatment plants. Existing approaches …

A two-dimensional sparse matrix profile DenseNet for COVID-19 diagnosis using chest CT images

Q Liu, CK Leung, P Hu - IEEE Access, 2020 - ieeexplore.ieee.org
COVID-19 is a newly identified disease, which is very contagious and has been rapidly
spreading across different countries around the world, calling for rapid and accurate …

Knowledge-based anomaly detection: Survey, challenges, and future directions

AQ Khan, S El Jaouhari, N Tamani, L Mroueh - Engineering Applications of …, 2024 - Elsevier
Due to the rapidly increasing number of Internet-connected objects, a huge amount of data
is created, stored, and shared. Depending on the use case, this data is visualized, cleaned …

Hybrid group anomaly detection for sequence data: Application to trajectory data analytics

A Belhadi, Y Djenouri, G Srivastava… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Many research areas depend on group anomaly detection. The use of group anomaly
detection can maintain and provide security and privacy to the data involved. This research …

[HTML][HTML] Change point enhanced anomaly detection for IoT time series data

ES Apostol, CO Truică, F Pop, C Esposito - Water, 2021 - mdpi.com
Due to the exponential growth of the Internet of Things networks and the massive amount of
time series data collected from these networks, it is essential to apply efficient methods for …

[PDF][PDF] The effect of hyperparameter tuning on the comparative evaluation of unsupervised anomaly detection methods

J Soenen, E Van Wolputte, L Perini… - Proceedings of the …, 2021 - lirias.kuleuven.be
Anomaly detection aims at finding observations in a dataset that do not conform to expected
behavior. Researchers have proposed a large variety of anomaly detection algorithms and …