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The scarcity of accessible, compliant, and ethically sourced data presents a considerable challenge to the adoption of artificial intelligence (AI) in sensitive fields like healthcare, finance, and biomedical research. Furthermore, access…

机器学习 · 计算机科学 2025-04-02 Kumar Kshitij Patel , Weitong Zhang , Lingxiao Wang

Federated learning is a privacy-focused approach towards machine learning where models are trained on client devices with locally available data and aggregated at a central server. However, the dependence on a single central server is…

机器学习 · 计算机科学 2026-01-06 Shamik Bhattacharyya , Rachel Kalpana Kalaimani

Federated machine learning is a versatile and flexible tool to utilize distributed data from different sources, especially when communication technology develops rapidly and an unprecedented amount of data could be collected on mobile…

机器学习 · 计算机科学 2024-03-12 Tianyi Zhang , Shirui Zhang , Ziwei Chen , Dianbo Liu

Graph anomaly detection (GAD) has garnered increasing attention in recent years, yet remains challenging due to two key factors: (1) label scarcity stemming from the high cost of annotations and (2) homophily disparity at node and class…

机器学习 · 计算机科学 2026-01-30 Yunhui Liu , Jiashun Cheng , Yiqing Lin , Qizhuo Xie , Jia Li , Fugee Tsung , Hongzhi Yin , Tao Zheng , Jianhua Zhao , Tieke He

The rapid expansion of the Internet of Things (IoT) and its integration with backbone networks have heightened the risk of security breaches. Traditional centralized approaches to anomaly detection, which require transferring large volumes…

机器学习 · 计算机科学 2026-03-24 Devashish Chaudhary , Sutharshan Rajasegarar , Shiva Raj Pokhrel , Lei Pan , Ruby D

Time-series anomaly detection is a popular topic in both academia and industrial fields. Many companies need to monitor thousands of temporal signals for their applications and services and require instant feedback and alerts for potential…

机器学习 · 计算机科学 2020-09-10 Yuanxiang Ying , Juanyong Duan , Chunlei Wang , Yujing Wang , Congrui Huang , Bixiong Xu

In this paper, a new model-free anomaly detection framework is proposed for time-series induced by industrial dynamical systems.The framework lies in the category of conventional approaches which enable appealing features such as a learning…

系统与控制 · 电气工程与系统科学 2024-12-13 Mazen Alamir , Raphaël Dion

Parameter-efficient fine-tuning (PEFT) methods typically assume that Large Language Models (LLMs) are trained on data from a single device or client. However, real-world scenarios often require fine-tuning these models on private data…

机器学习 · 计算机科学 2025-06-03 Sajjad Ghiasvand , Yifan Yang , Zhiyu Xue , Mahnoosh Alizadeh , Zheng Zhang , Ramtin Pedarsani

An Anomaly Detection (AD) System for Self-diagnosis has been developed for Multiphase Flow Meter (MPFM). The system relies on machine learning algorithms for time series forecasting, historical data have been used to train a model and to…

机器学习 · 计算机科学 2023-01-03 Tommaso Barbariol , Davide Masiero , Enrico Feltresi , Gian Antonio Susto

Federated learning has become a popular machine learning paradigm with many potential real-life applications, including recommendation systems, the Internet of Things (IoT), healthcare, and self-driving cars. Though most current…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Abdulla Jasem Almansoori , Samuel Horváth , Martin Takáč

Time series anomaly detection is important in modern large-scale systems and is applied in a variety of domains to analyze and monitor the operation of diverse systems. Unsupervised approaches have received widespread interest, as they do…

机器学习 · 计算机科学 2025-10-23 Buang Zhang , Tung Kieu , Xiangfei Qiu , Chenjuan Guo , Jilin Hu , Aoying Zhou , Christian S. Jensen , Bin Yang

With the growth of machine learning techniques, privacy of data of users has become a major concern. Most of the machine learning algorithms rely heavily on large amount of data which may be collected from various sources. Collecting these…

机器学习 · 计算机科学 2023-11-17 Mahfuzur Rahman Chowdhury , Muhammad Ibrahim

Federated learning is a promising privacy-preserving paradigm for distributed machine learning. In this context, there is sometimes a need for a specialized process called machine unlearning, which is required when the effect of some…

密码学与安全 · 计算机科学 2024-06-19 Heng Xu , Tianqing Zhu , Lefeng Zhang , Wanlei Zhou , Philip S. Yu

Reconstruction-based anomaly detection models achieve their purpose by suppressing the generalization ability for anomaly. However, diverse normal patterns are consequently not well reconstructed as well. Although some efforts have been…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Wenrui Liu , Hong Chang , Bingpeng Ma , Shiguang Shan , Xilin Chen

Resting-state functional magnetic resonance imaging (rs-fMRI) and its derived functional connectivity networks (FCNs) have become critical for understanding neurological disorders. However, collaborative analyses and the generalizability of…

机器学习 · 计算机科学 2025-02-05 Yipu Zhang , Likai Wang , Kuan-Jui Su , Aiying Zhang , Hao Zhu , Xiaowen Liu , Hui Shen , Vince D. Calhoun , Yuping Wang , Hongwen Deng

With increasing privacy concerns on data, recent studies have made significant progress using federated learning (FL) on privacy-sensitive natural language processing (NLP) tasks. Much literature suggests fully fine-tuning pre-trained…

机器学习 · 计算机科学 2023-06-05 Zhuo Zhang , Yuanhang Yang , Yong Dai , Lizhen Qu , Zenglin Xu

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…

机器学习 · 计算机科学 2023-07-21 Manqing Dong , Zhanxiang Zhao , Yitong Geng , Wentao Li , Wei Wang , Huai Jiang

A major concern when dealing with financial time series involving a wide variety ofmarket risk factors is the presence of anomalies. These induce a miscalibration of the models used toquantify and manage risk, resulting in potential…

统计金融 · 定量金融 2022-10-26 Stéphane Crépey , Lehdili Noureddine , Nisrine Madhar , Maud Thomas

Time series anomaly detection has been recognized as of critical importance for the reliable and efficient operation of real-world systems. Many anomaly detection methods have been developed based on various assumptions on anomaly…

机器学习 · 计算机科学 2022-07-28 Jiuqi Elise Zhang , Di Wu , Benoit Boulet

Time series anomaly detection plays a crucial role in a wide range of real-world applications. Given that time series data can exhibit different patterns at different sampling granularities, multi-scale modeling has proven beneficial for…

机器学习 · 计算机科学 2025-10-15 Beibu Li , Qichao Shentu , Yang Shu , Hui Zhang , Ming Li , Ning Jin , Bin Yang , Chenjuan Guo