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Decentralized Federated Learning (DFL) has emerged as a robust distributed paradigm that circumvents the single-point-of-failure and communication bottleneck risks of centralized architectures. However, a significant challenge arises as…

机器学习 · 计算机科学 2025-08-18 Lianshuai Guo , Zhongzheng Yuan , Xunkai Li , Yinlin Zhu , Meixia Qu , Wenyu Wang

Recent studies show that graph convolutional network (GCN) often performs worse for low-degree nodes, exhibiting the so-called structural unfairness for graphs with long-tailed degree distributions prevalent in the real world. Graph…

机器学习 · 计算机科学 2022-10-07 Ruijia Wang , Xiao Wang , Chuan Shi , Le Song

Recent advancements have shown promise in applying traditional Semi-Supervised Learning strategies to the task of Generalized Category Discovery (GCD). Typically, this involves a teacher-student framework in which the teacher imparts…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Haonan Lin , Wenbin An , Jiahao Wang , Yan Chen , Feng Tian , Mengmeng Wang , Guang Dai , Qianying Wang , Jingdong Wang

In this paper, we consider a real-world scenario where a model that is trained on pre-defined classes continually encounters unlabeled data that contains both known and novel classes. The goal is to continually discover novel classes while…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Yanan Wu , Zhixiang Chi , Yang Wang , Songhe Feng

Federated learning allows distributed medical institutions to collaboratively learn a shared prediction model with privacy protection. While at clinical deployment, the models trained in federated learning can still suffer from performance…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Quande Liu , Cheng Chen , Jing Qin , Qi Dou , Pheng-Ann Heng

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data across various domains. Despite their great successful, one critical challenge is often overlooked by existing works, i.e., the…

机器学习 · 计算机科学 2024-02-15 Tianxiang Zhao , Xiang Zhang , Suhang Wang

Incomplete multi-view clustering has become one of the important research problems due to the extensive missing multi-view data in the real world. Although the existing methods have made great progress, there are still some problems: 1)…

机器学习 · 计算机科学 2025-02-27 Guoqing Chao , Kaixin Xu , Xijiong Xie , Yongyong Chen

Federated Learning (FL) on graphs enables collaborative model training to enhance performance without compromising the privacy of each client. However, existing methods often overlook the mutable nature of graph data, which frequently…

机器学习 · 计算机科学 2025-03-07 Sungwon Kim , Yoonho Lee , Yunhak Oh , Namkyeong Lee , Sukwon Yun , Junseok Lee , Sein Kim , Carl Yang , Chanyoung Park

Graph Convolutional Network (GCN) has exhibited remarkable potential in improving graph-based clustering. To handle the general clustering scenario without a prior graph, these models estimate an initial graph beforehand to apply GCN.…

机器学习 · 计算机科学 2024-04-04 Mulin Chen , Bocheng Wang , Xuelong Li

Federated graph learning (FGL) enables collaborative training on graph data across multiple clients. As graph data increasingly contain multimodal node attributes such as text and images, multimodal federated graph learning (MM-FGL) has…

机器学习 · 计算机科学 2026-05-13 Zekai Chen , Xun Wu , Xunkai Li , Yihan Sun , Rong-Hua Li , Guoren Wang

The incredible development of federated learning (FL) has benefited various tasks in the domains of computer vision and natural language processing, and the existing frameworks such as TFF and FATE has made the deployment easy in real-world…

机器学习 · 计算机科学 2022-08-02 Zhen Wang , Weirui Kuang , Yuexiang Xie , Liuyi Yao , Yaliang Li , Bolin Ding , Jingren Zhou

The demand for data privacy has led to the development of frameworks like Federated Graph Learning (FGL), which facilitate decentralized model training. However, a significant operational challenge in such systems is adhering to the right…

机器学习 · 计算机科学 2025-08-05 Yuming Ai , Xunkai Li , Jiaqi Chao , Bowen Fan , Zhengyu Wu , Yinlin Zhu , Rong-Hua Li , Guoren Wang

Graph-based semi-supervised node classification (GraphSSC) has wide applications, ranging from networking and security to data mining and machine learning, etc. However, existing centralized GraphSSC methods are impractical to solve many…

机器学习 · 计算机科学 2020-12-09 Binghui Wang , Ang Li , Hai Li , Yiran Chen

Graph representation learning has emerged as a powerful tool for preserving graph topology when mapping nodes to vector representations, enabling various downstream tasks such as node classification and community detection. However, most…

机器学习 · 计算机科学 2025-03-21 Kaizhe Fan , Quanjun Li

Graph Contrastive Learning (GCL) relies on semantically consistent graph augmentations, but common local perturbations provide limited control over global structural consistency, motivating a more principled global augmentation strategy. We…

机器学习 · 计算机科学 2026-05-13 Nero Z. Li , Xuehao Zhai , Zhichao Shi , Boshen Shi , Xuhui Jiang

Generalized Class Discovery (GCD) aims to dynamically assign labels to unlabelled data partially based on knowledge learned from labelled data, where the unlabelled data may come from known or novel classes. The prevailing approach…

机器学习 · 计算机科学 2024-05-01 Ye Wang , Yaxiong Wang , Yujiao Wu , Bingchen Zhao , Xueming Qian

Graph contrastive learning (GCL), as a self-supervised learning method, can solve the problem of annotated data scarcity. It mines explicit features in unannotated graphs to generate favorable graph representations for downstream tasks.…

机器学习 · 计算机科学 2024-04-02 Jinhuan Wang , Jiafei Shao , Zeyu Wang , Shanqing Yu , Qi Xuan , Xiaoniu Yang

Recent advances in deep learning have accelerated its use in various applications, such as cellular image analysis and molecular discovery. In molecular discovery, a generative adversarial network (GAN), which comprises a discriminator to…

机器学习 · 计算机科学 2023-04-13 Daniel Manu , Jingjing Yao , Wuji Liu , Xiang Sun

Federated learning (FL) is a distributed training paradigm that enables collaborative learning across clients without sharing local data, thereby preserving privacy. However, the increasing scale and complexity of modern deep models often…

机器学习 · 计算机科学 2025-05-20 Honggu Kang , Seohyeon Cha , Joonhyuk Kang

Graph Neural Networks (GNNs) are the first choice methods for graph machine learning problems thanks to their ability to learn state-of-the-art level representations from graph-structured data. However, centralizing a massive amount of…

机器学习 · 计算机科学 2021-06-08 Chaoyang He , Emir Ceyani , Keshav Balasubramanian , Murali Annavaram , Salman Avestimehr