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Related papers: mTSBench: Benchmarking Multivariate Time Series An…

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Industry5.0 environments present a critical need for effective anomaly detection methods that can indicate equipment malfunctions, process inefficiencies, or potential safety hazards. The ever-increasing sensorization of manufacturing lines…

Time series anomaly detection is crucial for industrial monitoring services that handle a large volume of data, aiming to ensure reliability and optimize system performance. Existing methods often require extensive labeled resources and…

Machine Learning · Computer Science 2023-07-21 Manqing Dong , Zhanxiang Zhao , Yitong Geng , Wentao Li , Wei Wang , Huai Jiang

Detecting anomalies in multivariate time series(MTS) data plays an important role in many domains. The abnormal values could indicate events, medical abnormalities,cyber-attacks, or faulty devices which if left undetected could lead to…

Machine Learning · Computer Science 2023-01-31 Usman Anjum , Samuel Lin , Justin Zhan

In recent years, rapid technological advancements and expanded Internet access have led to a significant rise in anomalies within network traffic and time-series data. Prompt detection of these irregularities is crucial for ensuring service…

Machine Learning · Computer Science 2025-11-10 Mahshid Rezakhani , Tolunay Seyfi , Fatemeh Afghah

Detecting anomalies in time series data is important in a variety of fields, including system monitoring, healthcare, and cybersecurity. While the abundance of available methods makes it difficult to choose the most appropriate method for a…

Machine Learning · Computer Science 2023-02-03 Ferdinand Rewicki , Joachim Denzler , Julia Niebling

Key Performance Indicators (KPIs) are essential time-series metrics for ensuring the reliability and stability of many software systems. They faithfully record runtime states to facilitate the understanding of anomalous system behaviors and…

Software Engineering · Computer Science 2024-01-15 Jinyang Liu , Wenwei Gu , Zhuangbin Chen , Yichen Li , Yuxin Su , Michael R. Lyu

The topic of Multivariate Time Series Anomaly Detection (MTSAD) has grown rapidly over the past years, with a steady rise in publications and Deep Learning (DL) models becoming the dominant paradigm. To address the lack of systematization…

Machine Learning · Statistics 2026-04-27 Bruna Alves , Armando J. Pinho , Sónia Gouveia

Anomaly detection in database management systems (DBMSs) is difficult because of increasing number of statistics (stat) and event metrics in big data system. In this paper, I propose an automatic DBMS diagnosis system that detects anomaly…

Machine Learning · Statistics 2018-01-26 Doyup Lee

Anomaly detection in time series data, to identify points that deviate from normal behaviour, is a common problem in various domains such as manufacturing, medical imaging, and cybersecurity. Recently, Generative Adversarial Networks (GANs)…

Machine Learning · Computer Science 2025-05-27 Md Abul Bashar , Richi Nayak

Multivariate Time Series (MTS) anomaly detection focuses on pinpointing samples that diverge from standard operational patterns, which is crucial for ensuring the safety and security of industrial applications. The primary challenge in this…

Machine Learning · Computer Science 2024-04-19 Haili Sun , Yan Huang , Lansheng Han , Cai Fu , Chunjie Zhou

Given a multivariate big time series, can we detect anomalies as soon as they occur? Many existing works detect anomalies by learning how much a time series deviates away from what it should be in the reconstruction framework. However, most…

Machine Learning · Computer Science 2022-04-19 Quan Ding , Shenghua Liu , Bin Zhou , Huawei Shen , Xueqi Cheng

We proposed a multivariate time series anomaly detection frame-work Ymir, which leverages ensemble learning and supervisedlearning technology to efficiently learn and adapt to anomaliesin real-world system applications. Ymir integrates…

Machine Learning · Computer Science 2021-12-10 Zhanxiang Zhao

Many organisations manage service quality and monitor a large set devices and servers where each entity is associated with telemetry or physical sensor data series. Recently, various methods have been proposed to detect behavioural…

Social and Information Networks · Computer Science 2023-05-10 Len Feremans , Boris Cule , Bart Goethals

The anomaly detection of time series is a hotspot of time series data mining. The own characteristics of different anomaly detectors determine the abnormal data that they are good at. There is no detector can be optimizing in all types of…

Machine Learning · Statistics 2019-07-19 Hui Ye , Xiaopeng Ma , Qingfeng Pan , Huaqiang Fang , Hang Xiang , Tongzhen Shao

Understanding the relationship between textual news and time-series evolution is a critical yet under-explored challenge in applied data science. While multimodal learning has gained traction, existing multimodal time-series datasets fall…

Computation and Language · Computer Science 2026-02-12 Jialin Chen , Aosong Feng , Ziyu Zhao , Juan Garza , Gaukhar Nurbek , Cheng Qin , Ali Maatouk , Leandros Tassiulas , Yifeng Gao , Rex Ying

Time series data are central to domains such as finance, healthcare, and cloud computing, yet existing benchmarks for evaluating various large language models (LLMs) on temporal tasks remain scattered and unsystematic. To bridge this gap,…

Databases · Computer Science 2026-02-10 Yao Yin , Zhenyu Xiao , Musheng Li , Yiwen Liu , Sutong Nan , Yiting He , Ruiqi Wang , Zhenwei Zhang , Qingmin Liao , Yuantao Gu

Time series anomaly detection plays a critical role in automated monitoring systems. Most previous deep learning efforts related to time series anomaly detection were based on recurrent neural networks (RNN). In this paper, we propose a…

Machine Learning · Computer Science 2019-06-03 Tailai Wen , Roy Keyes

Time series anomaly detection (TSAD) is of widespread interest across many industries, including finance, healthcare, and manufacturing. Despite the development of numerous automatic methods for detecting anomalies, human oversight remains…

Computation and Language · Computer Science 2025-03-31 Alan Yang , Yulin Chen , Sean Lee , Venus Montes

Recent advances in data collection technology, accompanied by the ever-rising volume and velocity of streaming data, underscore the vital need for time series analytics. In this regard, time-series anomaly detection has been an important…

Machine Learning · Computer Science 2024-12-31 Paul Boniol , Qinghua Liu , Mingyi Huang , Themis Palpanas , John Paparrizos

Time series data in real-world applications such as healthcare, climate modeling, and finance are often irregular, multimodal, and messy, with varying sampling rates, asynchronous modalities, and pervasive missingness. However, existing…

Machine Learning · Computer Science 2025-10-16 Ching Chang , Jeehyun Hwang , Yidan Shi , Haixin Wang , Wen-Chih Peng , Tien-Fu Chen , Wei Wang