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Current state-of-the-art deep learning based face recognition (FR) models require a large number of face identities for central training. However, due to the growing privacy awareness, it is prohibited to access the face images on user…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Chih-Ting Liu , Chien-Yi Wang , Shao-Yi Chien , Shang-Hong Lai

Federated machine learning is growing fast in academia and industries as a solution to solve data hungriness and privacy issues in machine learning. Being a widely distributed system, federated machine learning requires various system…

Machine Learning · Computer Science 2023-05-01 Sin Kit Lo , Qinghua Lu , Hye-Young Paik , Liming Zhu

Federated learning is an emerging technique used to prevent the leakage of private information. Unlike centralized learning that needs to collect data from users and store them collectively on a cloud server, federated learning makes it…

Machine Learning · Computer Science 2019-06-11 Hangyu Zhu , Yaochu Jin

We present Federated Learning Playground, an interactive browser-based platform inspired by and extends TensorFlow Playground that teaches core Federated Learning (FL) concepts. Users can experiment with heterogeneous client data…

Machine Learning · Computer Science 2026-03-23 Bryan Shan , Alysa Ziying Tan , Han Yu

To investigate the heterogeneity in federated learning in real-world scenarios, we generalize the classic federated learning to federated hetero-task learning, which emphasizes the inconsistency across the participants in federated learning…

Machine Learning · Computer Science 2022-06-22 Liuyi Yao , Dawei Gao , Zhen Wang , Yuexiang Xie , Weirui Kuang , Daoyuan Chen , Haohui Wang , Chenhe Dong , Bolin Ding , Yaliang Li

Recently, lots of algorithms have been proposed for learning a fair classifier from decentralized data. However, many theoretical and algorithmic questions remain open. First, is federated learning necessary, i.e., can we simply train…

Machine Learning · Computer Science 2022-12-08 Yuchen Zeng , Hongxu Chen , Kangwook Lee

Heterogeneous federated learning (HFL) aims to ensure effective and privacy-preserving collaboration among different entities. As newly joined clients require significant adjustments and additional training to align with the existing…

Machine Learning · Computer Science 2026-01-29 Kaile Wang , Jiannong Cao , Yu Yang , Xiaoyin Li , Mingjin Zhang

The Internet of Things (IoT) will be ripe for the deployment of novel machine learning algorithms for both network and application management. However, given the presence of massively distributed and private datasets, it is challenging to…

Networking and Internet Architecture · Computer Science 2021-06-21 Latif U. Khan , Walid Saad , Zhu Han , Ekram Hossain , Choong Seon Hong

Increasing levels of renewable generation motivate a growing interest in data-driven approaches for AC optimal power flow (AC OPF) to manage uncertainty; however, a lack of disciplined dataset creation and benchmarking prohibits useful…

Systems and Control · Electrical Eng. & Systems 2022-07-19 Trager Joswig-Jones , Kyri Baker , Ahmed S. Zamzam

Federated Learning has emerged as a leading paradigm for decentralized, privacy-preserving learning, particularly relevant in the era of interconnected edge devices equipped with sensors. However, the practical implementation of Federated…

Machine Learning · Computer Science 2025-07-15 Manuel Röder , Christoph Raab , Frank-Michael Schleif

In today's world, the rapid expansion of IoT networks and the proliferation of smart devices in our daily lives, have resulted in the generation of substantial amounts of heterogeneous data. These data forms a stream which requires special…

Machine Learning · Computer Science 2023-12-27 Sofia Zahri , Hajar Bennouri , Ahmed M. Abdelmoniem

The paradigm of federated learning (FL) to address data privacy concerns by locally training parameters on resource-constrained clients in a distributed manner has garnered significant attention. Nonetheless, FL is not applicable when not…

Machine Learning · Computer Science 2023-07-20 Yulan Gao , Ziqiang Ye , Yue Xiao , Wei Xiang

With increasing concerns for data privacy and ownership, recent years have witnessed a paradigm shift in machine learning (ML). An emerging paradigm, federated learning (FL), has gained great attention and has become a novel design for…

Cryptography and Security · Computer Science 2022-08-24 Xu Cheng , Chendan Li , Xiufeng Liu

Federated Learning (FL) enables collaborative training while preserving privacy, yet it introduces a critical challenge: the "illusion of fairness''. A global model, usually evaluated on the server, appears fair on average while keeping…

Machine Learning · Computer Science 2026-05-12 Xenia Heilmann , Luca Corbucci , Mattia Cerrato , Anna Monreale

Federated graph learning (FGL) is a promising distributed training paradigm for graph neural networks across multiple local systems without direct data sharing. This approach inherently involves large-scale distributed graph processing,…

Machine Learning · Computer Science 2025-01-22 Xunkai Li , Yinlin Zhu , Boyang Pang , Guochen Yan , Yeyu Yan , Zening Li , Zhengyu Wu , Wentao Zhang , Rong-Hua Li , Guoren Wang

Federated learning (FL), introduced in 2017, facilitates collaborative learning between non-trusting parties with no need for the parties to explicitly share their data among themselves. This allows training models on user data while…

Machine Learning · Computer Science 2025-04-09 Hyejun Jeong , Shiqing Ma , Amir Houmansadr

Online Learning to Rank (OLTR) optimises ranking models using implicit user feedback, such as clicks. Unlike traditional Learning to Rank (LTR) methods that rely on a static set of training data with relevance judgements to learn a ranking…

Machine Learning · Computer Science 2024-12-30 Shuyi Wang

Fairness in Federated Learning (FL) is emerging as a critical factor driven by heterogeneous clients' constraints and balanced model performance across various scenarios. In this survey, we delineate a comprehensive classification of the…

Machine Learning · Computer Science 2026-02-03 Noorain Mukhtiar , Adnan Mahmood , Yipeng Zhou , Jian Yang , Jing Teng , Quan Z. Sheng

The centralized collection of search interaction logs for training ranking models raises significant privacy concerns. Federated Online Learning to Rank (FOLTR) offers a privacy-preserving alternative by enabling collaborative model…

Information Retrieval · Computer Science 2025-08-19 Marcel Gregoriadis , Jingwei Kang , Johan Pouwelse

Federated learning has recently gained significant attention and popularity due to its effectiveness in training machine learning models on distributed data privately. However, as in the single-node supervised learning setup, models trained…

Machine Learning · Computer Science 2022-10-27 Motasem Alfarra , Juan C. Pérez , Egor Shulgin , Peter Richtárik , Bernard Ghanem