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Graph neural networks (GNNs) have achieved great success in many graph learning tasks. The main aspect powering existing GNNs is the multi-layer network architecture to learn the nonlinear graph representations for the specific learning…

机器学习 · 计算机科学 2022-02-21 Beibei Wang , Bo Jiang

Graph condensation has recently emerged as a prevalent technique to improve the training efficiency for graph neural networks (GNNs). It condenses a large graph into a small one such that a GNN trained on this small synthetic graph can…

机器学习 · 计算机科学 2025-04-01 Jiahao Wu , Ning Lu , Zeiyu Dai , Kun Wang , Wenqi Fan , Shengcai Liu , Qing Li , Ke Tang

Graph neural networks (GNNs) are widely used for learning node embeddings in graphs, typically adopting a message-passing scheme. This approach, however, leads to the neighbor explosion problem, with exponentially growing computational and…

机器学习 · 计算机科学 2025-07-08 Zichao Yue , Chenhui Deng , Zhiru Zhang

Graph Convolutional Networks (GCN) is a pioneering model for graph-based semi-supervised learning. However, GCN does not perform well on sparsely-labeled graphs. Its two-layer version cannot effectively propagate the label information to…

机器学习 · 计算机科学 2025-02-24 Wei Ye , Zexi Huang , Yunqi Hong , Ambuj Singh

Deep learning on graph structures has shown exciting results in various applications. However, few attentions have been paid to the robustness of such models, in contrast to numerous research work for image or text adversarial attack and…

机器学习 · 计算机科学 2018-06-08 Hanjun Dai , Hui Li , Tian Tian , Xin Huang , Lin Wang , Jun Zhu , Le Song

An enhanced label propagation (LP) method called GraphHop was proposed recently. It outperforms graph convolutional networks (GCNs) in the semi-supervised node classification task on various networks. Although the performance of GraphHop…

机器学习 · 计算机科学 2022-11-01 Tian Xie , Rajgopal Kannan , C. -C. Jay Kuo

Graph convolutional networks (GCNs) suffer from the irregularity of graphs, while more widely-used convolutional neural networks (CNNs) benefit from regular grids. To bridge the gap between GCN and CNN, in contrast to previous works on…

机器学习 · 计算机科学 2019-09-30 Yecheng Lyu , Xinming Huang , Ziming Zhang

We focus on graph classification using a graph neural network (GNN) model that precomputes the node features using a bank of neighborhood aggregation graph operators arranged in parallel. These GNN models have a natural advantage of reduced…

机器学习 · 计算机科学 2022-11-23 Siddhant Doshi , Sundeep Prabhakar Chepuri

Backdoor attack is a powerful attack algorithm to deep learning model. Recently, GNN's vulnerability to backdoor attack has been proved especially on graph classification task. In this paper, we propose the first backdoor detection and…

人工智能 · 计算机科学 2022-09-08 Bingchen Jiang , Zhao Li

As powerful tools for representation learning on graphs, graph neural networks (GNNs) have played an important role in applications including social networks, recommendation systems, and online web services. However, GNNs have been shown to…

机器学习 · 计算机科学 2023-08-31 Haoran Liu , Bokun Wang , Jianling Wang , Xiangjue Dong , Tianbao Yang , James Caverlee

Temporal Graph Neural Networks (TGNNs) have become indispensable for analyzing dynamic graphs in critical applications such as social networks, communication systems, and financial networks. However, the robustness of TGNNs against…

Graph Neural Networks (GNNs) have become mainstream methods for solving the semi-supervised node classification problem. However, due to the uneven location distribution of labeled nodes in the graph, labeled nodes are only accessible to a…

机器学习 · 计算机科学 2023-12-22 Weigang Lu , Ziyu Guan , Wei Zhao , Yaming Yang , Long Jin

Graph Neural Networks have become one of the indispensable tools to learn from graph-structured data, and their usefulness has been shown in wide variety of tasks. In recent years, there have been tremendous improvements in architecture…

机器学习 · 统计学 2021-11-15 Sunil Kumar Maurya , Xin Liu , Tsuyoshi Murata

Graph Neural Networks (GNNs) have gained attention for their ability to learn representations from graph data. Due to privacy concerns and conflicts of interest that prevent clients from directly sharing graph data with one another,…

机器学习 · 计算机科学 2025-03-19 Yang Chen , Bin Zhou

Graph Neural Networks (GNNs) have shown remarkable capabilities in learning from graph-structured data with various applications such as social analysis and bioinformatics. However, the presence of label noise in real scenarios poses a…

机器学习 · 计算机科学 2026-01-27 Wei Ju , Wei Zhang , Siyu Yi , Zhengyang Mao , Yifan Wang , Jingyang Yuan , Zhiping Xiao , Ziyue Qiao , Ming Zhang

Graph Neural Networks (GNNs) have seen significant advances in recent years, yet their application to multigraphs, where parallel edges exist between the same pair of nodes, remains under-explored. Standard GNNs, designed for simple graphs,…

机器学习 · 计算机科学 2024-12-11 H. Çağrı Bilgi , Lydia Y. Chen , Kubilay Atasu

Graph Neural Networks (GNNs) have exhibited impressive performance in many graph learning tasks. Nevertheless, the performance of GNNs can deteriorate when the input graph data suffer from weak information, i.e., incomplete structure,…

机器学习 · 计算机科学 2023-05-31 Yixin Liu , Kaize Ding , Jianling Wang , Vincent Lee , Huan Liu , Shirui Pan

With the great success of graph embedding model on both academic and industry area, the robustness of graph embedding against adversarial attack inevitably becomes a central problem in graph learning domain. Regardless of the fruitful…

社会与信息网络 · 计算机科学 2019-12-19 Heng Chang , Yu Rong , Tingyang Xu , Wenbing Huang , Honglei Zhang , Peng Cui , Wenwu Zhu , Junzhou Huang

Graph neural networks (GNNs) have revolutionized the field of machine learning on non-Euclidean data such as graphs and networks. GNNs effectively implement node representation learning through neighborhood aggregation and achieve…

机器学习 · 计算机科学 2024-04-30 Zehao Dong , Muhan Zhang , Yixin Chen

While there exists a wide variety of graph neural networks (GNN) for node classification, only a minority of them adopt mechanisms that effectively target noise propagation during the message-passing procedure. Additionally, a very…

机器学习 · 计算机科学 2022-04-26 Steph-Yves Louis , Alireza Nasiri , Fatima J. Rolland , Cameron Mitro , Jianjun Hu