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Multimodal-attributed graphs (MMAGs) provide a unified framework for modeling complex relational data by integrating heterogeneous modalities with graph structures. While centralized learning has shown promising performance, MMAGs in…

Machine Learning · Computer Science 2026-02-02 Xunkai Li , Yuming Ai , Yinlin Zhu , Haodong Lu , Yi Zhang , Guohao Fu , Bowen Fan , Qiangqiang Dai , Rong-Hua Li , Guoren Wang

Graph Foundation Models (GFMs) have emerged as a frontier in graph learning, which are expected to deliver transferable representations across diverse tasks. However, GFMs remain constrained by in-memory bottlenecks: they attempt to encode…

Machine Learning · Computer Science 2026-01-27 Haonan Yuan , Qingyun Sun , Jiacheng Tao , Xingcheng Fu , Jianxin Li

Federated domain generalization (FedDG) aims to improve the global model generalization in unseen domains by addressing data heterogeneity under privacy-preserving constraints. A common strategy in existing FedDG studies involves sharing…

Artificial Intelligence · Computer Science 2024-11-18 Shuai Gong , Chaoran Cui , Chunyun Zhang , Wenna Wang , Xiushan Nie , Lei Zhu

Graph learning has a wide range of applications in many scenarios, which require more need for data privacy. Federated learning is an emerging distributed machine learning approach that leverages data from individual devices or data centers…

Machine Learning · Computer Science 2023-07-20 Peilin Liu , Yanni Tang , Mingyue Zhang , Wu Chen

As large language models (LLMs) continue to revolutionize AI research, there is a growing interest in building large-scale brain foundation models to advance neuroscience. While most existing brain foundation models are pre-trained on…

Neurons and Cognition · Quantitative Biology 2026-02-11 Xinxu Wei , Kanhao Zhao , Yong Jiao , Lifang He , Yu Zhang

Federated Graph Learning (FGL) enables collaborative learning over distributed graph data, yet existing approaches largely rely on a closed-world assumption, limiting their applicability in dynamic environments where novel categories…

Machine Learning · Computer Science 2026-05-12 Zhongzheng Yuan , Lianshuai Guo , Xunkai Li , Wenyu Wang , Meixia Qu

Federated graph learning (FGL) enables multiple clients to collaboratively train powerful graph neural networks without sharing their private, decentralized graph data. Inherited from generic federated learning, FGL is critically challenged…

Machine Learning · Computer Science 2025-08-15 Xinrui Li , Qilin Fan , Tianfu Wang , Kaiwen Wei , Ke Yu , Xu Zhang

Recently, Federated Graph Learning (FGL) has attracted significant attention as a distributed framework based on graph neural networks, primarily due to its capability to break data silos. Existing FGL studies employ community split on the…

Machine Learning · Computer Science 2024-01-23 Xunkai Li , Zhengyu Wu , Wentao Zhang , Henan Sun , Rong-Hua Li , Guoren Wang

Graph neural networks (GNNs) have shown their superiority in modeling graph data. Owing to the advantages of federated learning, federated graph learning (FGL) enables clients to train strong GNN models in a distributed manner without…

Machine Learning · Computer Science 2022-11-24 Yue Tan , Yixin Liu , Guodong Long , Jing Jiang , Qinghua Lu , Chengqi Zhang

Federated Graph Learning (FGL) has garnered widespread attention by enabling collaborative training on multiple clients for semi-supervised classification tasks. However, most existing FGL studies do not well consider the missing…

Machine Learning · Computer Science 2024-07-17 Luying Zhong , Yueyang Pi , Zheyi Chen , Zhengxin Yu , Wang Miao , Xing Chen , Geyong Min

Graph Foundation Models (GFMs) are emerging as a significant research topic in the graph domain, aiming to develop graph models trained on extensive and diverse data to enhance their applicability across various tasks and domains.…

Machine Learning · Computer Science 2024-06-03 Haitao Mao , Zhikai Chen , Wenzhuo Tang , Jianan Zhao , Yao Ma , Tong Zhao , Neil Shah , Mikhail Galkin , Jiliang Tang

Personalized Federated Graph Learning (pFGL) facilitates the decentralized training of Graph Neural Networks (GNNs) without compromising privacy while accommodating personalized requirements for non-IID participants. In cross-domain…

Machine Learning · Computer Science 2024-10-29 Zihan Tan , Guancheng Wan , Wenke Huang , Mang Ye

Federated Learning (FL) enables decentralized model training across multiple clients without exposing private data, making it ideal for privacy-sensitive applications. However, in real-world FL scenarios, clients often hold data from…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Huy Q. Le , Loc X. Nguyen , Yu Qiao , Seong Tae Kim , Eui-Nam Huh , Choong Seon Hong

Graph neural networks (GNN) have been successful in many fields, and derived various researches and applications in real industries. However, in some privacy sensitive scenarios (like finance, healthcare), training a GNN model centrally…

Machine Learning · Computer Science 2021-05-25 Huanding Zhang , Tao Shen , Fei Wu , Mingyang Yin , Hongxia Yang , Chao Wu

Federated Learning (FL) deals with learning a central model (i.e. the server) in privacy-constrained scenarios, where data are stored on multiple devices (i.e. the clients). The central model has no direct access to the data, but only to…

Machine Learning · Computer Science 2021-05-03 Debora Caldarola , Massimiliano Mancini , Fabio Galasso , Marco Ciccone , Emanuele Rodolà , Barbara Caputo

Federated learning has emerged as an important paradigm for training machine learning models in different domains. For graph-level tasks such as graph classification, graphs can also be regarded as a special type of data samples, which can…

Machine Learning · Computer Science 2021-11-09 Han Xie , Jing Ma , Li Xiong , Carl Yang

Federated learning has attracted much research attention due to its privacy protection in distributed machine learning. However, existing work of federated learning mainly focuses on Convolutional Neural Network (CNN), which cannot…

Machine Learning · Computer Science 2021-11-03 Fahao Chen , Peng Li , Toshiaki Miyazaki , Celimuge Wu

Federated Graph Learning (FGL) is a distributed learning paradigm that enables collaborative training over large-scale subgraphs located on multiple local systems. However, most existing FGL approaches rely on synchronous communication,…

Machine Learning · Computer Science 2025-08-06 Zhongzheng Yuan , Lianshuai Guo , Xunkai Li , Yinlin Zhu , Wenyu Wang , Meixia Qu

Federated training of Graph Neural Networks (GNN) has become popular in recent years due to its ability to perform graph-related tasks under data isolation scenarios while preserving data privacy. However, graph heterogeneity issues in…

Machine Learning · Computer Science 2023-09-22 Qiying Pan , Ruofan Wu , Tengfei Liu , Tianyi Zhang , Yifei Zhu , Weiqiang Wang

Federated graph learning is an emerging field with significant practical challenges. While algorithms have been proposed to improve the accuracy of training graph neural networks, such as node classification on federated graphs, the system…

Machine Learning · Computer Science 2025-09-04 Yuhang Yao , Yuan Li , Xinyi Fan , Junhao Li , Kay Liu , Weizhao Jin , Yu Yang , Srivatsan Ravi , Philip S. Yu , Carlee Joe-Wong