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Ensemble learning for anomaly detection of data structured into complex network has been barely studied due to the inconsistent performance of complex network characteristics and lack of inherent objective function. In this paper, we…

社会与信息网络 · 计算机科学 2018-07-25 Jinfa Wang , Xiao Liu , Hai Zhao , Xingchi Chen

Traditional anomalous traffic detection methods are based on single-view analysis, which has obvious limitations in dealing with complex attacks and encrypted communications. In this regard, we propose a Multi-view Feature Fusion (MuFF)…

机器学习 · 计算机科学 2025-11-05 Song Hao , Wentao Fu , Xuanze Chen , Chengxiang Jin , Jiajun Zhou , Shanqing Yu , Qi Xuan

We describe and validate a novel data-driven approach to the real time detection and classification of traffic anomalies based on the identification of atypical fluctuations in the relationship between density and flow. For aggregated data…

应用统计 · 统计学 2020-12-22 Kieran Kalair , Colm Connaughton

A novel approach to identify internal interfacial layers, or IILs, in wall-bounded turbulent flows is proposed. Using a Fuzzy Cluster Method (FCM) on the streamwise velocity component, a unique and unambiguous grouping of the Uniform…

流体动力学 · 物理学 2019-06-11 Fan Duosi , Jing-Lei Xu , Matthew X. Yao , Jean-Pierre Hickey

This paper discusses the usage of network traffic properties in passive network monitoring which are used in recognizing and identifying anomaly.

网络与互联网体系结构 · 计算机科学 2013-05-01 Gobithasan Rudrusamy , Azrudin Ahmad , Rahmat Budiarto , Azman Samsudin , Sureswaran Ramadass

Edge streams are commonly used to capture interactions in dynamic networks, such as email, social, or computer networks. The problem of detecting anomalies or rare events in edge streams has a wide range of applications. However, it…

社会与信息网络 · 计算机科学 2021-02-08 Yen-Yu Chang , Pan Li , Rok Sosic , M. H. Afifi , Marco Schweighauser , Jure Leskovec

Unsupervised anomaly detection with localization has many practical applications when labeling is infeasible and, moreover, when anomaly examples are completely missing in the train data. While recently proposed models for such data setup…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Denis Gudovskiy , Shun Ishizaka , Kazuki Kozuka

This paper explores anomaly detection through temporal network analysis. Unlike many conventional methods, relying on rule-based algorithms or general machine learning approaches, our methodology leverages the evolving structure and…

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

Network management and security is currently one of the most vibrant research areas, among which, research on detecting and identifying anomalies has attracted a lot of interest. Researchers are still struggling to find an effective and…

网络与互联网体系结构 · 计算机科学 2010-07-09 Huy Nguyen , Tam Van Nguyen , Dong Il Kim , Deokjai Choi

Anomaly detection in multivariate time series (MTS) has been widely studied in one-class classification (OCC) setting. The training samples in OCC are assumed to be normal, which is difficult to guarantee in practical situations. Such a…

机器学习 · 计算机科学 2024-02-08 Qihang Zhou , Shibo He , Haoyu Liu , Jiming Chen , Wenchao Meng

Detecting the anomalous behavior of traffic is one of the important actions for network operators. In this study, we applied term frequency - inverse document frequency (TF-IDF), which is a popular method used in natural language…

网络与互联网体系结构 · 计算机科学 2021-11-12 Keiichi Shima

In a variety of applications, one desires to detect groups of anomalous data samples, with a group potentially manifesting its atypicality (relative to a reference model) on a low-dimensional subset of the full measured set of features.…

网络与互联网体系结构 · 计算机科学 2015-11-04 Zhicong Qiu , David J. Miller , George Kesidis

With the wide application of IoT and industrial IoT technologies, the network structure is becoming more and more complex, and the traffic scale is growing rapidly, which makes the traditional security protection mechanism face serious…

计算机与社会 · 计算机科学 2025-04-25 Qiuyan Xiang , Shuang Wu , Dongze Wu , Yuxin Liu , Zhenkai Qin

In the Internet of Things (IoT) environment, continuous interaction among a large number of devices generates complex and dynamic network traffic, which poses significant challenges to rule-based detection approaches. Machine learning…

密码学与安全 · 计算机科学 2025-09-26 Chao Zha , Haolin Pan , Bing Bai , Jiangxing Wu , Ruyun Zhang

The network security analyzers use intrusion detection systems (IDSes) to distinguish malicious traffic from benign ones. The deep learning-based IDSes are proposed to auto-extract high-level features and eliminate the time-consuming and…

密码学与安全 · 计算机科学 2023-03-07 Mahdi Soltani , Khashayar Khajavi , Mahdi Jafari Siavoshani , Amir Hossein Jahangir

Federated learning (FL), with the growing IoT and edge computing, is seen as a promising solution for applications that are latency- and privacy-aware. However, due to the widespread dispersion of data across many clients, it is challenging…

机器学习 · 计算机科学 2024-11-05 Dipanwita Thakur , Antonella Guzzo , Giancarlo Fortino

Anomaly detection in road networks is vital for traffic management and emergency response. However, existing approaches do not directly address multiple anomaly types. We propose a tensor-based spatio-temporal model for detecting multiple…

物理与社会 · 物理学 2019-10-31 Ming Xu , Jianping Wu , Haohan Wang , Mengxin Cao

The coupling interactions between deformable structures and unsteady fluid flows occur across a wide range of spatial and temporal scales in many engineering applications. These fluid-structure interactions (FSI) pose significant challenges…

流体动力学 · 物理学 2023-12-04 Aditya G. Nair , Samuel B. Douglass , Nitish Arya

Nowadays, the volume of network traffic continues to grow, along with the frequency and sophistication of attacks. This scenario highlights the need for solutions capable of continuously adapting, since network behavior is dynamic and…

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