Deep variational graph convolutional recurrent network for multivariate time series anomaly detection

W Chen, L Tian, B Chen, L Dai… - … on machine learning, 2022 - proceedings.mlr.press
Anomaly detection within multivariate time series (MTS) is an essential task in both data
mining and service quality management. Many recent works on anomaly detection focus on …

Multivariate time-series anomaly detection via graph attention network

H Zhao, Y Wang, J Duan, C Huang… - … conference on data …, 2020 - ieeexplore.ieee.org
Anomaly detection on multivariate time-series is of great importance in both data mining
research and industrial applications. Recent approaches have achieved significant progress …

GTAD: Graph and temporal neural network for multivariate time series anomaly detection

S Guan, B Zhao, Z Dong, M Gao, Z He - Entropy, 2022 - mdpi.com
The rapid development of smart factories, combined with the increasing complexity of
production equipment, has resulted in a large number of multivariate time series that can be …

Robust anomaly detection for multivariate time series through temporal GCNs and attention-based VAE

Y Shi, B Wang, Y Yu, X Tang, C Huang… - Knowledge-Based Systems, 2023 - Elsevier
Anomaly detection on multivariate time series (MTS) is of great importance in both data
mining research and industrial applications. While a handful of anomaly detection models …

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

Y Zheng, HY Koh, M Jin, 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 …

Do deep neural networks contribute to multivariate time series anomaly detection?

J Audibert, P Michiardi, F Guyard, S Marti… - Pattern Recognition, 2022 - Elsevier
Anomaly detection in time series is a complex task that has been widely studied. In recent
years, the ability of unsupervised anomaly detection algorithms has received much attention …

Daemon: Unsupervised anomaly detection and interpretation for multivariate time series

X Chen, L Deng, F Huang, C Zhang… - 2021 IEEE 37th …, 2021 - ieeexplore.ieee.org
In many complex systems, devices are typically monitored and generating massive
multivariate time series. However, due to the complex patterns and little useful labeled data …

Memto: Memory-guided transformer for multivariate time series anomaly detection

J Song, K Kim, J Oh, S Cho - Advances in Neural …, 2024 - proceedings.neurips.cc
Detecting anomalies in real-world multivariate time series data is challenging due to
complex temporal dependencies and inter-variable correlations. Recently, reconstruction …

Reconstruction-based anomaly detection for multivariate time series using contrastive generative adversarial networks

J Miao, H Tao, H Xie, J Sun, J Cao - Information Processing & Management, 2024 - Elsevier
The majority of existing anomaly detection methods for multivariate time series are based on
Transformers and Autoencoders owing to their superior capabilities. However, these …

A deep neural network for unsupervised anomaly detection and diagnosis in multivariate time series data

C Zhang, D Song, Y Chen, X Feng, C Lumezanu… - Proceedings of the AAAI …, 2019 - aaai.org
Nowadays, multivariate time series data are increasingly collected in various real world
systems, eg, power plants, wearable devices, etc. Anomaly detection and diagnosis in …