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Google uses continuous streams of data from industry partners in order to deliver accurate results to users. Unexpected drops in traffic can be an indication of an underlying issue and may be an early warning that remedial action may be…

机器学习 · 统计学 2017-08-15 Dominique T. Shipmon , Jason M. Gurevitch , Paolo M. Piselli , Stephen T. Edwards

In cloud computing, it is desirable if suspicious activities can be detected by automatic anomaly detection systems. Although anomaly detection has been investigated in the past, it remains unsolved in cloud computing. Challenges are:…

密码学与安全 · 计算机科学 2021-08-26 Zecheng He , Ruby B. Lee

Various approaches in the field of physical layer security involve anomaly detection, such as physical layer authentication, sensing attacks, and anti-tampering solutions. Depending on the context in which these approaches are applied,…

信息论 · 计算机科学 2025-06-13 Stefan Roth , Aydin Sezgin

Detecting and resolving performance anomalies in Cloud services is crucial for maintaining desired performance objectives. Scaling actions triggered by an anomaly detector help achieve target latency at the cost of extra resource…

分布式、并行与集群计算 · 计算机科学 2025-11-24 Gabriel Job Antunes Grabher , Fumio Machida , Thomas Ropars

When the equipment is working, real-time collection of environmental sensor data for anomaly detection is one of the key links to prevent industrial process accidents and network attacks and ensure system security. However, under the…

机器学习 · 计算机科学 2024-03-25 Zilong Shao

Anomaly detection for cyber-physical systems (ADCPS) is crucial in identifying faults and potential attacks by analyzing the time series of sensor measurements and actuator states. However, current methods lack adaptation to data…

密码学与安全 · 计算机科学 2025-04-08 Jiyu Tian , Mingchu Li , Liming Chen , Zumin Wang

Unsupervised anomaly detection is a daunting task, as it relies solely on normality patterns from the training data to identify unseen anomalies during testing. Recent approaches have focused on leveraging domain-specific transformations or…

机器学习 · 计算机科学 2024-09-17 Hyuntae Kim , Changhee Lee

One of the contemporary challenges in anomaly detection is the ability to detect, and differentiate between, both point and collective anomalies within a data sequence or time series. The anomaly package has been developed to provide users…

应用统计 · 统计学 2024-01-30 Alex Fisch , Daniel Grose , Idris A. Eckley , Paul Fearnhead , Lawrence Bardwell

Generative adversarial networks (GANs) are able to model the complex highdimensional distributions of real-world data, which suggests they could be effective for anomaly detection. However, few works have explored the use of GANs for the…

机器学习 · 计算机科学 2019-05-03 Houssam Zenati , Chuan Sheng Foo , Bruno Lecouat , Gaurav Manek , Vijay Ramaseshan Chandrasekhar

Anomalies in online social networks can signify irregular, and often illegal behaviour. Anomalies in online social networks can signify irregular, and often illegal behaviour. Detection of such anomalies has been used to identify malicious…

社会与信息网络 · 计算机科学 2016-08-02 David Savage , Xiuzhen Zhang , Xinghuo Yu , Pauline Chou , Qingmai Wang

Cyber-physical control systems are critical infrastructures designed around highly responsive feedback loops that are measured and manipulated by hundreds of sensors and controllers. Anomalous data, such as from cyber-attacks, greatly risk…

量子物理 · 物理学 2024-09-10 Tyler Cultice , Md. Saif Hassan Onim , Annarita Giani , Himanshu Thapliyal

Although deep learning has been applied to successfully address many data mining problems, relatively limited work has been done on deep learning for anomaly detection. Existing deep anomaly detection methods, which focus on learning new…

机器学习 · 计算机科学 2019-11-21 Guansong Pang , Chunhua Shen , Anton van den Hengel

This paper considers the real-time detection of anomalies in high-dimensional systems. The goal is to detect anomalies quickly and accurately so that the appropriate countermeasures could be taken in time, before the system possibly gets…

机器学习 · 计算机科学 2020-07-16 Mahsa Mozaffari , Yasin Yilmaz

Autonomous aerial surveillance using drone feed is an interesting and challenging research domain. To ensure safety from intruders and potential objects posing threats to the zone being protected, it is crucial to be able to distinguish…

图像与视频处理 · 电气工程与系统科学 2020-07-22 Sayeed Shafayet Chowdhury , Kaji Mejbaul Islam , Rouhan Noor

Modern software systems generate extensive heterogeneous log data with dynamic formats, fragmented event sequences, and varying temporal patterns, making anomaly detection both crucial and challenging. To address these complexities, we…

人工智能 · 计算机科学 2025-12-17 Przemek Pospieszny , Wojciech Mormul , Karolina Szyndler , Sanjeev Kumar

Detecting anomalies in data is a vital task, with numerous high-impact applications in areas such as security, finance, health care, and law enforcement. While numerous techniques have been developed in past years for spotting outliers and…

社会与信息网络 · 计算机科学 2014-04-29 Leman Akoglu , Hanghang Tong , Danai Koutra

Smart grid data can be evaluated for anomaly detection in numerous fields, including cyber-security, fault detection, electricity theft, etc. The strange anomalous behaviors may have been caused by various reasons, including peculiar…

密码学与安全 · 计算机科学 2023-06-06 Shampa Banik , Sohag Kumar Saha , Trapa Banik , S M Mostaq Hossain

Detecting and analyzing potential anomalous performances in cloud computing systems is essential for avoiding losses to customers and ensuring the efficient operation of the systems. To this end, a variety of automated techniques have been…

人机交互 · 计算机科学 2019-08-01 Ke Xu , Yun Wang , Leni Yang , Yifang Wang , Bo Qiao , Si Qin , Yong Xu , Haidong Zhang , Huamin Qu

Anomalies can be defined as any non-random structure which deviates from normality. Anomaly detection methods reported in the literature are numerous and diverse, as what is considered anomalous usually varies depending on particular…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Matias Tailanian , Pablo Musé , Álvaro Pardo

Commute Time Distance (CTD) is a random walk based metric on graphs. CTD has found widespread applications in many domains including personalized search, collaborative filtering and making search engines robust against manipulation. Our…

人工智能 · 计算机科学 2011-07-28 Nguyen Lu Dang Khoa , Sanjay Chawla