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Federated learning (FL) has been increasingly considered to preserve data training privacy from eavesdropping attacks in mobile edge computing-based Internet of Thing (EdgeIoT). On the one hand, the learning accuracy of FL can be improved…

Machine Learning · Computer Science 2022-05-19 Jingjing Zheng , Kai Li , Naram Mhaisen , Wei Ni , Eduardo Tovar , Mohsen Guizani

Federated learning (FL) is proving to be one of the most promising paradigms for leveraging distributed resources, enabling a set of clients to collaboratively train a machine learning model while keeping the data decentralized. The…

Machine Learning · Computer Science 2022-09-12 Mirko Nardi , Lorenzo Valerio , Andrea Passarella

Federated Learning (FL) has emerged as a privacy-preserving paradigm for training machine learning models across distributed edge devices in the Internet of Things (IoT). By keeping data local and coordinating model training through a…

Machine Learning · Computer Science 2025-12-30 Ziru Niu , Hai Dong , A. K. Qin , Tao Gu , Pengcheng Zhang

Compared to theoretical frameworks that assume equal sensitivity to deviations in all features of data, the theory of anomaly detection allowing for variable sensitivity across features is less developed. To the best of our knowledge, this…

Methodology · Statistics 2026-02-11 Illia Donhauzer

We propose a Quantum Federated Autoencoder for Anomaly Detection, a framework that leverages quantum federated learning for efficient, secure, and distributed processing in IoT networks. By harnessing quantum autoencoders for…

Quantum Physics · Physics 2026-05-01 Devashish Chaudhary , Sutharshan Rajasegarar , Shiva Raj Pokhrel

Internet of things (IoT) networks face increasing security threats due to their distributed nature and resource constraints. Although federated learning (FL) has gained prominence as a privacy-preserving framework for distributed IoT…

Machine Learning · Computer Science 2026-02-16 Xianchao Xiu , Chenyi Huang , Wei Zhang , Wanquan Liu

From the identification of a drawback in the Isolation Forest (IF) algorithm that limits its use in the scope of anomaly detection, we propose two extensions that allow to firstly overcome the previously mention limitation and secondly to…

Machine Learning · Computer Science 2018-10-30 Pierre-François Marteau , Saeid Soheily-Khah , Nicolas Béchet

Anomaly detection is a longstanding and active research area that has many applications in domains such as finance, security, and manufacturing. However, the efficiency and performance of anomaly detection algorithms are challenged by the…

Machine Learning · Computer Science 2025-04-16 Yang Cao , Haolong Xiang , Hang Zhang , Ye Zhu , Kai Ming Ting

Shared mobility systems, such as bike-sharing networks, play a crucial role in urban transportation. Identifying anomalies in these systems is essential for optimizing operations, improving service reliability, and enhancing user…

Machine Learning · Computer Science 2025-07-22 Elnur Isgandarov , Matteo Cederle , Federico Chiariotti , Gian Antonio Susto

The vast increase of Internet of Things (IoT) technologies and the ever-evolving attack vectors have increased cyber-security risks dramatically. A common approach to implementing AI-based Intrusion Detection systems (IDSs) in distributed…

Cryptography and Security · Computer Science 2023-08-07 Othmane Belarbi , Theodoros Spyridopoulos , Eirini Anthi , Ioannis Mavromatis , Pietro Carnelli , Aftab Khan

Isolation forest or "iForest" is an intuitive and widely used algorithm for anomaly detection that follows a simple yet effective idea: in a given data distribution, if a threshold (split point) is selected uniformly at random within the…

Machine Learning · Statistics 2021-12-07 David Cortes

Federated learning (FL), a privacy-preserving distributed machine learning, has been rapidly applied in wireless communication networks. FL enables Internet of Things (IoT) clients to obtain well-trained models while preventing privacy…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Kangning Yin , Zhen Ding , Zhihua Dong , Dongsheng Chen , Jie Fu , Xinhui Ji , Guangqiang Yin , Zhiguo Wang

We introduce a novel approach to detecting microlensing events and other transients in light curves, utilising the isolation forest (iForest) algorithm for anomaly detection. Focusing on the Legacy Survey of Space and Time by the Vera C.…

Solar and Stellar Astrophysics · Physics 2025-09-24 Miguel Crispim Romao , Djuna Croon , Daniel Godines

It is commonly observed that the data are scattered everywhere and difficult to be centralized. The data privacy and security also become a sensitive topic. The laws and regulations such as the European Union's General Data Protection…

Machine Learning · Computer Science 2020-02-19 Yang Liu , Mingxin Chen , Wenxi Zhang , Junbo Zhang , Yu Zheng

In a connection of many IoT devices that each collect data, normally training a machine learning model would involve transmitting the data to a central server which requires strict privacy rules. However, some owners are reluctant of…

Machine Learning · Computer Science 2023-08-24 Niyomukiza Thamar , Hossam Samy Elsaid Sharara

Anomaly detection is concerned with identifying examples in a dataset that do not conform to the expected behaviour. While a vast amount of anomaly detection algorithms exist, little attention has been paid to explaining why these…

Machine Learning · Computer Science 2021-12-14 Nirmal Sobha Kartha , Clément Gautrais , Vincent Vercruyssen

Industrial Information Technology (IT) infrastructures are often vulnerable to cyberattacks. To ensure security to the computer systems in an industrial environment, it is required to build effective intrusion detection systems to monitor…

Cryptography and Security · Computer Science 2021-04-28 Md Tahmid Rahman Laskar , Jimmy Huang , Vladan Smetana , Chris Stewart , Kees Pouw , Aijun An , Stephen Chan , Lei Liu

We present a novel strategy for detecting global outliers in a federated learning setting, targeting in particular cross-silo scenarios. Our approach involves the use of two servers and the transmission of masked local data from clients to…

Machine Learning · Computer Science 2024-09-23 Daniele Malpetti , Laura Azzimonti

The rapid growth of the Internet of Things (IoT) offers new opportunities but also expands the attack surface of distributed, resource-limited devices. Intrusion detection in such environments is difficult due to data heterogeneity from…

Networking and Internet Architecture · Computer Science 2025-11-04 Saadat Izadi , Shakib Komasi , Ali Salimi , Alireza Rezaei , Mahmood Ahmadi

In this paper, we propose DiFF-RF, an ensemble approach composed of random partitioning binary trees to detect point-wise and collective (as well as contextual) anomalies. Thanks to a distance-based paradigm used at the leaves of the trees,…

Machine Learning · Computer Science 2021-01-15 Pierre-Francois Marteau