A review on outlier/anomaly detection in time series data

A Blázquez-García, A Conde, U Mori… - ACM computing surveys …, 2021 - dl.acm.org
Recent advances in technology have brought major breakthroughs in data collection,
enabling a large amount of data to be gathered over time and thus generating time series …

Survey on visual analysis of event sequence data

Y Guo, S Guo, Z Jin, S Kaul, D Gotz… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Event sequence data record series of discrete events in the time order of occurrence. They
are commonly observed in a variety of applications ranging from electronic health records to …

Anomaly detection in time series: a comprehensive evaluation

S Schmidl, P Wenig, T Papenbrock - Proceedings of the VLDB …, 2022 - dl.acm.org
Detecting anomalous subsequences in time series data is an important task in areas
ranging from manufacturing processes over finance applications to health care monitoring …

Learning graph structures with transformer for multivariate time-series anomaly detection in IoT

Z Chen, D Chen, X Zhang, Z Yuan… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
Many real-world Internet of Things (IoT) systems, which include a variety of Internet-
connected sensory devices, produce substantial amounts of multivariate time-series data …

TSB-UAD: an end-to-end benchmark suite for univariate time-series anomaly detection

J Paparrizos, Y Kang, P Boniol, RS Tsay… - Proceedings of the …, 2022 - dl.acm.org
The detection of anomalies in time series has gained ample academic and industrial
attention. However, no comprehensive benchmark exists to evaluate time-series anomaly …

A survey on explainable anomaly detection

Z Li, Y Zhu, M Van Leeuwen - ACM Transactions on Knowledge …, 2023 - dl.acm.org
In the past two decades, most research on anomaly detection has focused on improving the
accuracy of the detection, while largely ignoring the explainability of the corresponding …

SAND: streaming subsequence anomaly detection

P Boniol, J Paparrizos, T Palpanas… - Proceedings of the VLDB …, 2021 - dl.acm.org
With the increasing demand for real-time analytics and decision making, anomaly detection
methods need to operate over streams of values and handle drifts in data distribution …

Series2graph: Graph-based subsequence anomaly detection for time series

P Boniol, T Palpanas - arXiv preprint arXiv:2207.12208, 2022 - arxiv.org
Subsequence anomaly detection in long sequences is an important problem with
applications in a wide range of domains. However, the approaches proposed so far in the …

Choose wisely: An extensive evaluation of model selection for anomaly detection in time series

E Sylligardos, P Boniol, J Paparrizos… - Proceedings of the …, 2023 - dl.acm.org
Anomaly detection is a fundamental task for time-series analytics with important implications
for the downstream performance of many applications. Despite increasing academic interest …

Unsupervised and scalable subsequence anomaly detection in large data series

P Boniol, M Linardi, F Roncallo, T Palpanas, M Meftah… - The VLDB Journal, 2021 - Springer
Subsequence anomaly (or outlier) detection in long sequences is an important problem with
applications in a wide range of domains. However, the approaches that have been …