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This paper addresses the critical challenge of unlearning in Vertical Federated Learning (VFL), a setting that has received far less attention than its horizontal counterpart. Specifically, we propose the first method tailored to…

Machine Learning · Computer Science 2026-03-02 Hanlin Gu , Hong Xi Tae , Lixin Fan , Chee Seng Chan

Federated Learning (FL) is a paradigm for large-scale distributed learning which faces two key challenges: (i) efficient training from highly heterogeneous user data, and (ii) protecting the privacy of participating users. In this work, we…

Machine Learning · Computer Science 2023-01-06 Maxence Noble , Aurélien Bellet , Aymeric Dieuleveut

Large language models (LLMs) have achieved significant progress from pre-training on and memorizing a wide range of textual data, however, this process might suffer from privacy issues and violations of data protection regulations. As a…

Computation and Language · Computer Science 2023-11-01 Jiaao Chen , Diyi Yang

Federated Learning (FL) has emerged as a prominent privacy-preserving technique for enabling use cases like confidential clinical machine learning. FL operates by aggregating models trained by remote devices which owns the data. Thus, FL…

Machine Learning · Computer Science 2024-04-23 Michael Duchesne , Kaiwen Zhang , Chamseddine Talhi

Federated Learning (FL) has emerged as a promising distributed learning paradigm with an added advantage of data privacy. With the growing interest in having collaboration among data owners, FL has gained significant attention of…

Machine Learning · Computer Science 2023-04-11 Afsana Khan , Marijn ten Thij , Anna Wilbik

Federated Learning (FL) is a novel, multidisciplinary Machine Learning paradigm where multiple clients, such as mobile devices, collaborate to solve machine learning problems. Initially introduced in Kone{\v{c}}n{\'y} et al. (2016a,b);…

Machine Learning · Computer Science 2025-09-11 Konstantin Burlachenko

Session-based recommendation predicts users' future interests from previous interactions in a session. Despite the memorizing of historical samples, the request of unlearning, i.e., to remove the effect of certain training samples, also…

Information Retrieval · Computer Science 2023-12-25 Xin Xin , Liu Yang , Ziqi Zhao , Pengjie Ren , Zhumin Chen , Jun Ma , Zhaochun Ren

Federated learning (FL) enables multiple clients to collaboratively learn a shared model without sharing their individual data. Concerns about utility, privacy, and training efficiency in FL have garnered significant research attention.…

Machine Learning · Computer Science 2024-01-30 Hanlin Gu , Xinyuan Zhao , Gongxi Zhu , Yuxing Han , Yan Kang , Lixin Fan , Qiang Yang

Federated learning has attracted growing interest as it preserves the clients' privacy. As a variant of federated learning, federated transfer learning utilizes the knowledge from similar tasks and thus has also been intensively studied.…

Machine Learning · Computer Science 2022-09-13 Feng Wang , M. Cenk Gursoy , Senem Velipasalar

Federated learning (FL) is emerging as a new paradigm to train machine learning models in distributed systems. Rather than sharing, and disclosing, the training dataset with the server, the model parameters (e.g. neural networks weights and…

Signal Processing · Electrical Eng. & Systems 2020-05-27 Stefano Savazzi , Monica Nicoli , Vittorio Rampa

In low-altitude wireless networks (LAWN), federated learning (FL) enables collaborative intelligence among unmanned aerial vehicles (UAVs) and integrated sensing and communication (ISAC) devices while keeping raw sensing data local. Due to…

Cryptography and Security · Computer Science 2026-04-01 Yuhua Xu , Mingtao Jiang , Chenfei Hu , Yinglong Wang , Chuan Zhang , Meng Li , Ming Lu , Liehuang Zhu

Nowadays, AI companies improve service quality by aggressively collecting users' data generated by edge devices, which jeopardizes data privacy. To prevent this, Federated Learning is proposed as a private learning scheme, using which users…

Machine Learning · Computer Science 2022-10-06 Jingtao Li , Runcong Kuang

Once users have shared their data online, it is generally difficult for them to revoke access and ask for the data to be deleted. Machine learning (ML) exacerbates this problem because any model trained with said data may have memorized it,…

Federated learning (FL) is an emerging distributed machine learning method that empowers in-situ model training on decentralized edge devices. However, multiple simultaneous training activities could overload resource-constrained devices.…

Machine Learning · Computer Science 2022-07-12 Weiming Zhuang , Yonggang Wen , Shuai Zhang

Federated Learning (FL) is a decentralized machine learning protocol that allows a set of participating agents to collaboratively train a model without sharing their data. This makes FL particularly suitable for settings where data privacy…

Machine Learning · Computer Science 2020-10-30 Mustafa Safa Ozdayi , Murat Kantarcioglu , Rishabh Iyer

Robust machine learning (ML) models can be developed by leveraging large volumes of data and distributing the computational tasks across numerous devices or servers. Federated learning (FL) is a technique in the realm of ML that facilitates…

Machine Unlearning (MU) aims at removing the influence of specific data from a pretrained model while preserving performance on the remaining data. In this work, a novel perspective for MU is presented upon low-dimensional feature…

Machine Learning · Computer Science 2026-02-02 Kun Fang , Qinghua Tao , Junxu Liu , Yaxin Xiao , Qingqing Ye , Jian Sun , Haibo Hu

Federated learning (FL) is a new paradigm for distributed machine learning that allows a global model to be trained across multiple clients without compromising their privacy. Although FL has demonstrated remarkable success in various…

Machine Learning · Computer Science 2023-06-06 Haolin Wang , Xuefeng Liu , Jianwei Niu , Shaojie Tang , Jiaxing Shen

Federated Learning (FL) has emerged as a significant paradigm for training machine learning models. This is due to its data-privacy-preserving property and its efficient exploitation of distributed computational resources. This is achieved…

Machine Learning · Computer Science 2025-01-22 Mustafa Ghaleb , Mohanad Obeed , Muhamad Felemban , Anas Chaaban , Halim Yanikomeroglu

Federated Unlearning (FUL) focuses on client data and computing power to offer a privacy-preserving solution. However, high computational demands, complex incentive mechanisms, and disparities in client-side computing power often lead to…

Machine Learning · Computer Science 2026-02-02 Changjun Zhou , Jintao Zheng , Leyou Yang , Pengfei Wang