中文
相关论文

相关论文: Unlearning Inversion Attacks for Graph Neural Netw…

200 篇论文

Graph unlearning has emerged as a pivotal research area for ensuring privacy protection, given the widespread adoption of Graph Neural Networks (GNNs) in applications involving sensitive user data. Among existing studies, certified graph…

机器学习 · 计算机科学 2025-02-19 Lu Yi , Zhewei Wei

Given graphs as input, Graph Neural Networks (GNNs) support the inference of nodes, edges, attributes, or graph properties. Graph Rewriting investigates the rule-based manipulation of graphs to model complex graph transformations. We…

机器学习 · 计算机科学 2023-05-31 Adam Machowczyk , Reiko Heckel

With growing demands for data privacy and model robustness, graph unlearning (GU), which erases the influence of specific data on trained GNN models, has gained significant attention. However, existing exact unlearning methods suffer from…

机器学习 · 计算机科学 2024-10-10 Fan Li , Xiaoyang Wang , Dawei Cheng , Wenjie Zhang , Ying Zhang , Xuemin Lin

Fraud detection problems are usually formulated as a machine learning problem on a graph. Recently, Graph Neural Networks (GNNs) have shown solid performance on fraud detection. The successes of most previous methods heavily rely on rich…

机器学习 · 计算机科学 2021-10-05 Chen Wang , Yingtong Dou , Min Chen , Jia Chen , Zhiwei Liu , Philip S. Yu

Humans rely heavily on shape information to recognize objects. Conversely, convolutional neural networks (CNNs) are biased more towards texture. This is perhaps the main reason why CNNs are vulnerable to adversarial examples. Here, we…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Ali Borji

Recent studies have exposed that GNNs are vulnerable to several adversarial attacks, among which backdoor attack is one of the toughest. Similar to Deep Neural Networks (DNNs), backdoor attacks in GNNs lie in the fact that the attacker…

密码学与安全 · 计算机科学 2024-11-14 Jiale Zhang , Chengcheng Zhu , Bosen Rao , Hao Sui , Xiaobing Sun , Bing Chen , Chunyi Zhou , Shouling Ji

Graph Neural Networks (GNNs) have been widely applied to different tasks such as bioinformatics, drug design, and social networks. However, recent studies have shown that GNNs are vulnerable to adversarial attacks which aim to mislead the…

机器学习 · 计算机科学 2022-12-29 Xiaojun Xu , Yue Yu , Hanzhang Wang , Alok Lal , Carl A. Gunter , Bo Li

Machine unlearning is an emerging technology that has come to attract widespread attention. A number of factors, including regulations and laws, privacy, and usability concerns, have resulted in this need to allow a trained model to forget…

机器学习 · 计算机科学 2024-06-18 Heng Xu , Tianqing Zhu , Lefeng Zhang , Wanlei Zhou , Wei Zhao

Graph neural networks (GNNs) have shown promising results on real-life datasets and applications, including healthcare, finance, and education. However, recent studies have shown that GNNs are highly vulnerable to attacks such as membership…

机器学习 · 计算机科学 2023-06-02 Iyiola E. Olatunji , Anmar Hizber , Oliver Sihlovec , Megha Khosla

Graph Neural Networks (GNNs), which generalize traditional deep neural networks on graph data, have achieved state-of-the-art performance on several graph analytical tasks. We focus on how trained GNN models could leak information about the…

机器学习 · 计算机科学 2021-12-21 Iyiola E. Olatunji , Wolfgang Nejdl , Megha Khosla

Graph Neural Networks (GNNs) have shown promising results in modeling graphs in various tasks. The training of GNNs, especially on specialized tasks such as bioinformatics, demands extensive expert annotations, which are expensive and…

机器学习 · 计算机科学 2025-05-27 Minhua Lin , Enyan Dai , Junjie Xu , Jinyuan Jia , Xiang Zhang , Suhang Wang

Although powerful graph neural networks (GNNs) have boosted numerous real-world applications, the potential privacy risk is still underexplored. To close this gap, we perform the first comprehensive study of graph reconstruction attack that…

机器学习 · 计算机科学 2023-06-16 Zhanke Zhou , Chenyu Zhou , Xuan Li , Jiangchao Yao , Quanming Yao , Bo Han

Graph neural networks (GNNs) have attracted considerable attention due to their diverse applications. However, the scarcity and quality limitations of graph data present challenges to their training process in practical settings. To…

机器学习 · 计算机科学 2024-11-07 Hanyang Yuan , Jiarong Xu , Renhong Huang , Mingli Song , Chunping Wang , Yang Yang

Large-scale graph data in real-world applications is often not static but dynamic, i. e., new nodes and edges appear over time. Current graph convolution approaches are promising, especially, when all the graph's nodes and edges are…

机器学习 · 计算机科学 2019-05-16 Lukas Galke , Iacopo Vagliano , Ansgar Scherp

Graph neural network (GNN), the mainstream method to learn on graph data, is vulnerable to graph evasion attacks, where an attacker slightly perturbing the graph structure can fool trained GNN models. Existing work has at least one of the…

密码学与安全 · 计算机科学 2023-12-19 Binghui Wang , Tianxiang Zhou , Minhua Lin , Pan Zhou , Ang Li , Meng Pang , Hai Li , Yiran Chen

With the increasing popularity of graph-based learning, graph neural networks (GNNs) emerge as the essential tool for gaining insights from graphs. However, unlike the conventional CNNs that have been extensively explored and exhaustively…

机器学习 · 计算机科学 2020-09-23 Boyuan Feng , Yuke Wang , Zheng Wang , Yufei Ding

The proliferation of signed networks in contemporary social media platforms necessitates robust privacy-preserving mechanisms. Graph unlearning, which aims to eliminate the influence of specific data points from trained models without full…

社会与信息网络 · 计算机科学 2025-10-31 Zhifei Luo , Lin Li , Xiaohui Tao , Kaize Shi

Graph neural networks (GNNs) have emerged as the standard method for numerous tasks on graph-structured data such as node classification. However, real-world graphs are often evolving over time and even new classes may arise. We model these…

机器学习 · 计算机科学 2021-12-21 Lukas Galke , Benedikt Franke , Tobias Zielke , Ansgar Scherp

Signed graphs model complex relationships through positive and negative edges, with widespread real-world applications. Given the sensitive nature of such data, selective removal mechanisms have become essential for privacy protection.…

机器学习 · 计算机科学 2025-11-19 Junpeng Zhao , Lin Li , Kaixi Hu , Kaize Shi , Jingling Yuan

Graph Neural Networks (GNNs) have garnered significant attention from researchers due to their outstanding performance in handling graph-related tasks, such as social network analysis, protein design, and so on. Despite their widespread…

密码学与安全 · 计算机科学 2025-01-03 Xiao Lin , Mingjie Li , Yisen Wang