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Related papers: On Stealing Graph Neural Network Models

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Graph data contains rich node features and unique edge information, which have been applied across various domains, such as citation networks or recommendation systems. Graph Neural Networks (GNNs) are specialized for handling such data and…

Machine Learning · Computer Science 2024-06-26 Faqian Guan , Tianqing Zhu , Hui Sun , Wanlei Zhou , Philip S. Yu

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…

Machine Learning · Computer Science 2023-06-16 Zhanke Zhou , Chenyu Zhou , Xuan Li , Jiangchao Yao , Quanming Yao , Bo Han

Compared to traditional neural networks with a single output channel, a multi-exit network has multiple exits that allow for early outputs from the model's intermediate layers, thus significantly improving computational efficiency while…

Cryptography and Security · Computer Science 2025-03-18 Li Pan , Lv Peizhuo , Chen Kai , Zhang Shengzhi , Cai Yuling , Xiang Fan

Graph Neural Networks (GNNs) have gained popularity in numerous domains, yet they are vulnerable to backdoor attacks that can compromise their performance and ethical application. The detection of these attacks is crucial for maintaining…

Machine Learning · Computer Science 2026-05-12 Jane Downer , Ren Wang , Binghui Wang

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…

Machine Learning · Computer Science 2024-11-07 Hanyang Yuan , Jiarong Xu , Renhong Huang , Mingli Song , Chunping Wang , Yang Yang

Graph Neural Networks (GNNs) have emerged as a dominant paradigm for learning on graph-structured data, thanks to their ability to jointly exploit node features and relational information encoded in the graph topology. This joint modeling,…

Machine Learning · Computer Science 2025-12-30 Yongyu Wang

Graph Neural Networks (GNNs) are powerful tools in representation learning for graphs. However, recent studies show that GNNs are vulnerable to carefully-crafted perturbations, called adversarial attacks. Adversarial attacks can easily fool…

Machine Learning · Computer Science 2020-06-30 Wei Jin , Yao Ma , Xiaorui Liu , Xianfeng Tang , Suhang Wang , Jiliang Tang

Graph neural networks (GNNs) have attracted increasing interests. With broad deployments of GNNs in real-world applications, there is an urgent need for understanding the robustness of GNNs under adversarial attacks, especially in realistic…

Machine Learning · Computer Science 2021-06-22 Jiaqi Ma , Junwei Deng , Qiaozhu Mei

Privacy and interpretability are two important ingredients for achieving trustworthy machine learning. We study the interplay of these two aspects in graph machine learning through graph reconstruction attacks. The goal of the adversary…

Machine Learning · Computer Science 2023-11-03 Iyiola E. Olatunji , Mandeep Rathee , Thorben Funke , Megha Khosla

Graph neural networks (GNNs) are widely used for learning from graph-structured data in domains such as social networks, recommender systems, and financial platforms. To comply with privacy regulations like the GDPR, CCPA, and PIPEDA,…

Machine Learning · Computer Science 2026-03-20 Jiahao Zhang , Yilong Wang , Suhang Wang

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…

Machine Learning · Computer Science 2021-12-21 Iyiola E. Olatunji , Wolfgang Nejdl , Megha Khosla

Graph neural networks (GNN) have recently emerged as a vehicle for applying deep network architectures to graph and relational data. However, given the increasing size of industrial datasets, in many practical situations the message passing…

Machine Learning · Computer Science 2021-11-16 Qingru Zhang , David Wipf , Quan Gan , Le Song

Graph neural networks(GNNs) have a wide range of applications in multimedia.Recent studies have shown that Graph neural networks(GNNs) are vulnerable to link stealing attacks,which infers the existence of edges in the target GNN's training…

Cryptography and Security · Computer Science 2024-10-07 Yuxing Zhang , Siyuan Meng , Chunchun Chen , Mengyao Peng , Hongyan Gu , Xinli Huang

Graph Neural Networks (GNNs), specifically designed to process the graph data, have achieved remarkable success in various applications. Link stealing attacks on graph data pose a significant privacy threat, as attackers aim to extract…

Cryptography and Security · Computer Science 2024-12-10 Faqian Guan , Tianqing Zhu , Wenhan Chang , Wei Ren , Wanlei Zhou

Explainable Graph Neural Network (GNN) has emerged recently to foster the trust of using GNNs. Existing GNN explainers are developed from various perspectives to enhance the explanation performance. We take the first step to study GNN…

Cryptography and Security · Computer Science 2024-06-06 Jiate Li , Meng Pang , Yun Dong , Jinyuan Jia , Binghui Wang

High-performance Deep Neural Networks (DNNs) are increasingly deployed in many real-world applications e.g., cloud prediction APIs. Recent advances in model functionality stealing attacks via black-box access (i.e., inputs in, predictions…

Machine Learning · Computer Science 2020-03-04 Tribhuvanesh Orekondy , Bernt Schiele , Mario Fritz

Graph neural networks (GNNs) have been increasingly deployed in various applications that involve learning on non-Euclidean data. However, recent studies show that GNNs are vulnerable to graph adversarial attacks. Although there are several…

Machine Learning · Computer Science 2023-01-10 Chenhui Deng , Xiuyu Li , Zhuo Feng , Zhiru Zhang

Graph Neural Networks (GNNs) have gained significant attention owing to their ability to handle graph-structured data and the improvement in practical applications. However, many of these models prioritize high utility performance, such as…

Machine Learning · Computer Science 2023-09-20 Yi Zhang , Yuying Zhao , Zhaoqing Li , Xueqi Cheng , Yu Wang , Olivera Kotevska , Philip S. Yu , Tyler Derr

Training graph neural networks on large datasets has long been a challenge. Traditional approaches include efficiently representing the whole graph in-memory, designing parameter efficient and sampling-based models, and graph partitioning…

Machine Learning · Computer Science 2024-11-19 Dmytro Lopushanskyy , Borun Shi

Graph Neural Networks (GNNs) are increasingly important given their popularity and the diversity of applications. Yet, existing studies of their vulnerability to adversarial attacks rely on relatively small graphs. We address this gap and…

Machine Learning · Computer Science 2023-05-02 Simon Geisler , Tobias Schmidt , Hakan Şirin , Daniel Zügner , Aleksandar Bojchevski , Stephan Günnemann