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Vertical federated learning (VFL) enables the collaborative training of machine learning (ML) models in settings where the data is distributed amongst multiple parties who wish to protect the privacy of their individual data. Notably, in…

Cryptography and Security · Computer Science 2023-06-21 Shuangyi Chen , Anuja Modi , Shweta Agrawal , Ashish Khisti

Federated learning (FL) is a distributed machine learning paradigm enabling collaborative model training while preserving data privacy. In today's landscape, where most data is proprietary, confidential, and distributed, FL has become a…

Machine Learning · Computer Science 2025-03-11 Zilinghan Li , Shilan He , Ze Yang , Minseok Ryu , Kibaek Kim , Ravi Madduri

Federated learning enables collaborative training of machine learning models by keeping the raw data of the involved workers private. Three of its main objectives are to improve the models' privacy, security, and scalability. Vertical…

Machine Learning · Computer Science 2024-04-19 Marco Arazzi , Mauro Conti , Stefanos Koffas , Marina Krcek , Antonino Nocera , Stjepan Picek , Jing Xu

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

Federated learning (FL) is an emerging paradigm for decentralized training of machine learning models on distributed clients, without revealing the data to the central server. The learning scheme may be horizontal, vertical or hybrid (both…

Machine Learning · Computer Science 2024-01-11 Fanfei Meng , Lele Zhang , Yu Chen , Yuxin Wang

As an emerging secure learning paradigm in lever-aging cross-agency private data, vertical federatedlearning (VFL) is expected to improve advertising models by enabling the joint learning of complementary user attributes privately owned by…

Machine Learning · Computer Science 2023-06-21 Wenjie Li , Qiaolin Xia , Junfeng Deng , Hao Cheng , Jiangming Liu , Kouying Xue , Yong Cheng , Shu-Tao Xia

Federated learning is a distributed collaborative machine learning paradigm that has gained strong momentum in recent years. In federated learning, a central server periodically coordinates models with clients and aggregates the models…

Machine Learning · Computer Science 2025-04-28 Mengdi Wang , Anna Bodonhelyi , Efe Bozkir , Enkelejda Kasneci

This paper presents the application of Vertical Federated Learning (VFL) to generate synthetic tabular data using Generative Adversarial Networks (GANs). VFL is a collaborative approach to train machine learning models among distinct…

Machine Learning · Computer Science 2025-02-17 Zilong Zhao , Han Wu , Aad Van Moorsel , Lydia Y. Chen

Horizontal federated learning (HFL) enables distributed clients to train a shared model and keep their data privacy. In training high-quality HFL models, the data heterogeneity among clients is one of the major concerns. However, due to the…

Human-Computer Interaction · Computer Science 2022-08-17 Xumeng Wang , Wei Chen , Jiazhi Xia , Zhen Wen , Rongchen Zhu , Tobias Schreck

Federated learning (FL) enables multiple data owners to build machine learning models collaboratively without exposing their private local data. In order for FL to achieve widespread adoption, it is important to balance the need for…

Machine Learning · Computer Science 2026-05-27 Anran Li , Rui Liu , Ming Hu , Yuanyuan Chen , Shipeng Wang , Lizhen Cui , Han Yu

Federated Learning has become an important learning paradigm due to its privacy and computational benefits. As the field advances, two key challenges that still remain to be addressed are: (1) system heterogeneity - variability in the…

Machine Learning · Computer Science 2022-06-02 Disha Makhija , Nhat Ho , Joydeep Ghosh

Federated Learning (FL) is a distributed machine learning technique, where each device contributes to the learning model by independently computing the gradient based on its local training data. It has recently become a hot research topic,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-28 Afaf Taïk , Soumaya Cherkaoui

Federated learning (FL) enables collaborative model training across distributed devices without sharing raw data, but applying FL to multi-modal settings introduces significant challenges. Clients typically possess heterogeneous modalities…

Machine Learning · Computer Science 2026-03-20 Mohamed Badi , Chaouki Ben Issaid , Mehdi Bennis

An important handicap of document analysis research is that documents tend to be copyrighted or contain private information, which prohibits their open publication and the creation of centralised, large-scale document datasets. Instead,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Khanh Nguyen , Dimosthenis Karatzas

Federated Learning (FL) has become an established technique to facilitate privacy-preserving collaborative training across a multitude of clients. However, new approaches to FL often discuss their contributions involving small deep-learning…

Machine Learning · Computer Science 2026-05-05 Herbert Woisetschläger , Alexander Isenko , Shiqiang Wang , Ruben Mayer , Hans-Arno Jacobsen

Communication overhead is a known bottleneck in federated learning (FL). To address this, lossy compression is commonly used on the information communicated between the server and clients during training. In horizontal FL, where each client…

Machine Learning · Computer Science 2025-02-25 Pedro Valdeira , João Xavier , Cláudia Soares , Yuejie Chi

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

With the rapid advancement of the digital economy, data collaboration between organizations has become a well-established business model, driving the growth of various industries. However, privacy concerns make direct data sharing…

Machine Learning · Computer Science 2025-10-15 Yi Liu , Yang Liu , Leqian Zheng , Jue Hong , Junjie Shi , Qingyou Yang , Ye Wu , Cong Wang

After entering the era of big data, more and more companies build services with machine learning techniques. However, it is costly for companies to collect data and extract helpful handcraft features on their own. Although it is a way to…

Cryptography and Security · Computer Science 2024-10-31 Huan-Chih Wang , Ja-Ling Wu

Vertical Federated Learning (VFL) is a trending collaborative machine learning model training solution. Existing industrial frameworks employ secure multi-party computation techniques such as homomorphic encryption to ensure data security…

Cryptography and Security · Computer Science 2024-01-23 Pengyu Qiu , Xuhong Zhang , Shouling Ji , Chong Fu , Xing Yang , Ting Wang