Deep learning for anomaly detection in time-series data: Review, analysis, and guidelines

K Choi, J Yi, C Park, S Yoon - IEEE access, 2021 - ieeexplore.ieee.org
As industries become automated and connectivity technologies advance, a wide range of
systems continues to generate massive amounts of data. Many approaches have been …

Deep learning for anomaly detection in multivariate time series: Approaches, applications, and challenges

G Li, JJ Jung - Information Fusion, 2023 - Elsevier
Anomaly detection has recently been applied to various areas, and several techniques
based on deep learning have been proposed for the analysis of multivariate time series. In …

Self-supervised contrastive pre-training for time series via time-frequency consistency

X Zhang, Z Zhao, T Tsiligkaridis… - Advances in Neural …, 2022 - proceedings.neurips.cc
Pre-training on time series poses a unique challenge due to the potential mismatch between
pre-training and target domains, such as shifts in temporal dynamics, fast-evolving trends …

Tranad: Deep transformer networks for anomaly detection in multivariate time series data

S Tuli, G Casale, NR Jennings - arXiv preprint arXiv:2201.07284, 2022 - arxiv.org
Efficient anomaly detection and diagnosis in multivariate time-series data is of great
importance for modern industrial applications. However, building a system that is able to …

Deep learning for time series anomaly detection: A survey

Z Zamanzadeh Darban, GI Webb, S Pan… - ACM Computing …, 2022 - dl.acm.org
Time series anomaly detection is important for a wide range of research fields and
applications, including financial markets, economics, earth sciences, manufacturing, and …

Multivariate time series anomaly detection and interpretation using hierarchical inter-metric and temporal embedding

Z Li, Y Zhao, J Han, Y Su, R Jiao, X Wen… - Proceedings of the 27th …, 2021 - dl.acm.org
Anomaly detection is a crucial task for monitoring various status (ie, metrics) of entities (eg,
manufacturing systems and Internet services), which are often characterized by multivariate …

MST-GAT: A multimodal spatial–temporal graph attention network for time series anomaly detection

C Ding, S Sun, J Zhao - Information Fusion, 2023 - Elsevier
Multimodal time series (MTS) anomaly detection is crucial for maintaining the safety and
stability of working devices (eg, water treatment system and spacecraft), whose data are …

Practical approach to asynchronous multivariate time series anomaly detection and localization

A Abdulaal, Z Liu, T Lancewicki - Proceedings of the 27th ACM SIGKDD …, 2021 - dl.acm.org
Engineers at eBay utilize robust methods in monitoring IT system signals for anomalies.
However, the growing scale of signals, both in volumes and dimensions, overpowers …

Unsupervised time-series representation learning with iterative bilinear temporal-spectral fusion

L Yang, S Hong - International conference on machine …, 2022 - proceedings.mlr.press
Unsupervised/self-supervised time series representation learning is a challenging problem
because of its complex dynamics and sparse annotations. Existing works mainly adopt the …

Identifying performance anomalies in fluctuating cloud environments: A robust correlative-GNN-based explainable approach

Y Song, R Xin, P Chen, R Zhang, J Chen… - Future Generation …, 2023 - Elsevier
Cloud computing provides scalable and elastic resources to customers as a low-cost, on-
demand utility service. Multivariate time series anomaly detection is crucial to promise the …