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相关论文: Hypergraph Attacks via Injecting Homogeneous Nodes…

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Recent studies have demonstrated that hypergraph neural networks (HGNNs) are susceptible to adversarial attacks. However, existing methods rely on the specific information mechanisms of target HGNNs, overlooking the common vulnerability…

密码学与安全 · 计算机科学 2025-11-17 Meixia He , Peican Zhu , Le Cheng , Yangming Guo , Manman Yuan , Keke Tang

Heterogeneous Graph Neural Networks (HGNNs) are increasingly recognized for their performance in areas like the web and e-commerce, where resilience against adversarial attacks is crucial. However, existing adversarial attack methods, which…

机器学习 · 计算机科学 2024-01-19 He Zhao , Zhiwei Zeng , Yongwei Wang , Deheng Ye , Chunyan Miao

Graph Neural Networks (GNNs) have attracted substantial interest due to their exceptional performance on graph-based data. However, their robustness, especially on heterogeneous graphs, remains underexplored, particularly against…

机器学习 · 计算机科学 2025-09-19 Honglin Gao , Xiang Li , Yajuan Sun , Gaoxi Xiao

Hypergraph neural networks (HGNN) have shown superior performance in various deep learning tasks, leveraging the high-order representation ability to formulate complex correlations among data by connecting two or more nodes through…

机器学习 · 计算机科学 2023-02-27 Chao Hu , Ruishi Yu , Binqi Zeng , Yu Zhan , Ying Fu , Quan Zhang , Rongkai Liu , Heyuan Shi

Hypergraph Neural Networks (HGNNs) have been successfully applied in various hypergraph-related tasks due to their excellent higher-order representation capabilities. Recent works have shown that deep learning models are vulnerable to…

机器学习 · 计算机科学 2023-10-25 Yang Chen , Stjepan Picek , Zhonglin Ye , Zhaoyang Wang , Haixing Zhao

Graph neural networks (GNNs) have been widely used in deep learning on graphs. They can learn effective node representations that achieve superior performances in graph analysis tasks such as node classification and node clustering.…

机器学习 · 计算机科学 2021-04-19 Jianxin Li , Hao Peng , Yuwei Cao , Yingtong Dou , Hekai Zhang , Philip S. Yu , Lifang He

Hypergraphs provide an effective modeling approach for modeling high-order relationships in many real-world datasets. To capture such complex relationships, several hypergraph neural networks have been proposed for learning hypergraph…

机器学习 · 计算机科学 2024-04-08 Rongping Ye , Xiaobing Pei , Haoran Yang , Ruiqi Wang

Self-supervised learning (SSL) methods have been increasingly applied to diverse downstream tasks due to their superior generalization capabilities and low annotation costs. However, most existing heterogeneous graph SSL models convert…

机器学习 · 计算机科学 2025-06-10 Di Lin , Wanjing Ren , Xuanbin Li , Rui Zhang

Graph neural networks (GNNs) face significant challenges with class imbalance, leading to biased inference results. To address this issue in heterogeneous graphs, we propose a novel framework that combines Graph Neural Network (GNN) and…

机器学习 · 计算机科学 2024-11-26 Hung-Chun Hsu , Bo-Jun Wu , Ming-Yi Hong , Che Lin , Chih-Yu Wang

Recently, Graph Neural Networks (GNNs), including Homogeneous Graph Neural Networks (HomoGNNs) and Heterogeneous Graph Neural Networks (HeteGNNs), have made remarkable progress in many physical scenarios, especially in communication…

机器学习 · 计算机科学 2023-10-17 Renyang Liu , Wei Zhou , Jinhong Zhang , Xiaoyuan Liu , Peiyuan Si , Haoran Li

Graph neural networks (GNNs) are increasingly adopted in industrial graph-based monitoring systems (e.g., Industrial internet of things (IIoT) device graphs, power-grid topology models, and manufacturing communication networks) to support…

机器学习 · 计算机科学 2026-02-03 Wenjie Liang , Ranhui Yan , Jia Cai , You-Gan Wang

Graph Neural Networks (GNNs) often assume strong homophily for graph classification, seldom considering heterophily, which means connected nodes tend to have different class labels and dissimilar features. In real-world scenarios, graphs…

机器学习 · 计算机科学 2024-05-10 Jiayi Yang , Sourav Medya , Wei Ye

Heterogeneous graph neural networks (HGNNs) have recently drawn increasing attention for modeling complex multi-relational data in domains such as recommendation, finance, and social networks. While existing research has been largely…

机器学习 · 计算机科学 2025-05-28 Honglin Gao , Xiang Li , Lan Zhao , Gaoxi Xiao

An attributed hypergraph comprises nodes with attributes and hyperedges that connect varying numbers of nodes. Attributed hypergraph node and hyperedge embedding (AHNEE) maps nodes and hyperedges to compact vectors for use in important…

社会与信息网络 · 计算机科学 2025-08-13 Yiran Li , Gongyao Guo , Chen Feng , Jieming Shi

Recent studies show that Graph Neural Networks(GNNs) are vulnerable and easily fooled by small perturbations, which has raised considerable concerns for adapting GNNs in various safety-critical applications. In this work, we focus on the…

机器学习 · 计算机科学 2022-11-16 Zhihao Zhu , Chenwang Wu , Min Zhou , Hao Liao , Defu Lian , Enhong Chen

Heterogeneous graph neural networks (HGNNs) have achieved strong performance in many real-world applications, yet targeted backdoor poisoning on heterogeneous graphs remains less studied. We consider backdoor attacks for heterogeneous node…

机器学习 · 计算机科学 2026-01-01 Honglin Gao , Lan Zhao , Junhao Ren , Xiang Li , Gaoxi Xiao

Many real-world graphs (networks) are heterogeneous with different types of nodes and edges. Heterogeneous graph embedding, aiming at learning the low-dimensional node representations of a heterogeneous graph, is vital for various…

社会与信息网络 · 计算机科学 2021-12-15 Wentao Xu , Yingce Xia , Weiqing Liu , Jiang Bian , Jian Yin , Tie-Yan Liu

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 network (GNN) has gained increasing popularity in recent years owing to its capability and flexibility in modeling complex graph structure data. Among all graph learning methods, hypergraph learning is a technique for exploring…

机器学习 · 计算机科学 2024-12-31 Tiehua Zhang , Yuze Liu , Zhishu Shen , Xingjun Ma , Peng Qi , Zhijun Ding , Jiong Jin

Graph Neural Networks (GNNs) are characterized by their capacity of processing graph-structured data. However, due to the sparsity of labels under semi-supervised learning, they have been found to exhibit biased performance on specific…

机器学习 · 计算机科学 2025-12-16 Yihan Zhang
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