DragStream: an anomaly and concept drift detector in univariate data streams

AMSN Bibinbe, AJ Mahamadou… - … Conference on Data …, 2022 - ieeexplore.ieee.org
Anomaly detection in data streams comes with different technical challenges due to the data
nature. The main challenges include storage limitations, the speed of data arrival, and …

Joint time series chain: Detecting unusual evolving trend across time series

L Zhang, N Patel, X Li, J Lin - Proceedings of the 2022 SIAM International …, 2022 - SIAM
Time series chain (TSC) is a recently introduced concept that captures the evolving patterns
in large scale time series. Informally, a time series chain is a temporally ordered set of …

Anomalous variable-length subsequence detection in time series: mathematical formulation and a novel evolutionary algorithm based on clustering and swarm …

H Sutrisno, FKH Phoa - Applied Intelligence, 2023 - Springer
Variable-length anomalous subsequence detection in time series has many important
applications in the real world, yet the methods presented in existing studies are …

Robust Time Series Chain Discovery with Incremental Nearest Neighbors

L Zhang, Y Zhu, Y Gao, J Lin - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Time series motif discovery has been a fundamental task to identify meaningful repeated
patterns in time series. Recently, time series chains (TSCs) were introduced as an …

A new discord definition and an efficient time series discord detection method using GPUs

T Thi Thu Huynh, A Tuan Duong… - Proceedings of the 2021 …, 2021 - dl.acm.org
Discord is the most unusual subsequence in a time series. Most of the methods for discord
detection in time series belong to the window-based category which uses a sliding window …

Towards Robust and Privacy-Aware Time Series Data Mining

L Zhang - 2023 - search.proquest.com
With the advancement of sensor technology, large volumes of high-resolution time series
are collected in a variety of domains and data mining in large-scale time series has attracted …

[引用][C] Unsupervised Human Fatigue Expression Discovery via Time Series Chain

A Haroon, W Carlyon, F Cantu, KN Ackaah-Gyasi… - 2024