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Graphs are commonly used to model complex networks prevalent in modern social media and literacy applications. Our research investigates the vulnerability of these graphs through the application of feature based adversarial attacks,…

社会与信息网络 · 计算机科学 2024-03-06 Ying Xu , Michael Lanier , Anindya Sarkar , Yevgeniy Vorobeychik

Recent studies have shown that graph neural networks (GNNs) are vulnerable against perturbations due to lack of robustness and can therefore be easily fooled. Currently, most works on attacking GNNs are mainly using gradient information to…

机器学习 · 计算机科学 2021-05-07 Jintang Li , Tao Xie , Liang Chen , Fenfang Xie , Xiangnan He , Zibin Zheng

While deep neural networks have achieved great success in graph analysis, recent work has shown that they are vulnerable to adversarial attacks. Compared with adversarial attacks on image classification, performing adversarial attacks on…

机器学习 · 计算机科学 2022-07-26 Zhengyi Wang , Zhongkai Hao , Ziqiao Wang , Hang Su , Jun Zhu

Graph neural networks (GNNs) have been widely used in many real applications, and recent studies have revealed their vulnerabilities against topology attacks. To address this issue, existing efforts have mainly been dedicated to improving…

机器学习 · 计算机科学 2022-04-27 Senrong Xu , Yuan Yao , Liangyue Li , Wei Yang , Feng Xu , Hanghang Tong

False data injection attacks (FDIAs) represent a major class of attacks that aim to break the integrity of measurements by injecting false data into the smart metering devices in power grids. To the best of authors' knowledge, no study has…

信号处理 · 电气工程与系统科学 2021-12-28 Osman Boyaci , Amarachi Umunnakwe , Abhijeet Sahu , Mohammad Rasoul Narimani , Muhammad Ismail , Katherine Davis , Erchin Serpedin

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

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), inspired by Convolutional Neural Networks (CNNs), aggregate the message of nodes' neighbors and structure information to acquire expressive representations of nodes for node classification, graph…

密码学与安全 · 计算机科学 2022-07-29 Mauro Conti , Jiaxin Li , Stjepan Picek , Jing Xu

Graph Neural Networks (GNNs) have received significant attention due to their state-of-the-art performance on various graph representation learning tasks. However, recent studies reveal that GNNs are vulnerable to adversarial attacks, i.e.…

机器学习 · 计算机科学 2024-10-28 Haoxi Zhan , Xiaobing Pei

Graph Neural Networks (GNNs) have demonstrated remarkable proficiency in modeling data with graph structures, yet recent research reveals their susceptibility to adversarial attacks. Traditional attack methodologies, which rely on…

机器学习 · 计算机科学 2025-06-23 Wenlun Zhang , Enyan Dai , Kentaro Yoshioka

End-to-end training with global optimization have popularized graph neural networks (GNNs) for node classification, yet inadvertently introduced vulnerabilities to adversarial edge-perturbing attacks. Adversaries can exploit the inherent…

机器学习 · 计算机科学 2024-12-12 Ao Liu , Wenshan Li , Tao Li , Beibei Li , Guangquan Xu , Pan Zhou , Wengang Ma , Hanyuan Huang

Text classification is fundamental in natural language processing (NLP), and Graph Neural Networks (GNN) are recently applied in this task. However, the existing graph-based works can neither capture the contextual word relationships within…

计算与语言 · 计算机科学 2020-05-13 Yufeng Zhang , Xueli Yu , Zeyu Cui , Shu Wu , Zhongzhen Wen , Liang Wang

Graph Neural Networks (GNNs) are widely used and deployed for graph-based prediction tasks. However, as good as GNNs are for learning graph data, they also come with the risk of privacy leakage. For instance, an attacker can run carefully…

机器学习 · 计算机科学 2025-03-14 Mir Imtiaz Mostafiz , Imtiaz Karim , Elisa Bertino

Deep neural networks (DNNs) have been widely applied to various applications, including image classification, text generation, audio recognition, and graph data analysis. However, recent studies have shown that DNNs are vulnerable to…

密码学与安全 · 计算机科学 2022-10-07 Lichao Sun , Yingtong Dou , Carl Yang , Ji Wang , Yixin Liu , Philip S. Yu , Lifang He , Bo Li

While Graph Neural Networks (GNNs) and Large Language Models (LLMs) are powerful approaches for learning on Text-Attributed Graphs (TAGs), a comprehensive understanding of their robustness remains elusive. Current evaluations are…

机器学习 · 计算机科学 2025-10-21 Runlin Lei , Lu Yi , Mingguo He , Pengyu Qiu , Zhewei Wei , Yongchao Liu , Chuntao Hong

Inspired by the success of large language models (LLMs), there is a significant research shift from traditional graph learning methods to LLM-based graph frameworks, formally known as GraphLLMs. GraphLLMs leverage the reasoning power of…

机器学习 · 计算机科学 2025-06-16 Qihai Zhang , Xinyue Sheng , Yuanfu Sun , Qiaoyu Tan

Graph Neural Network (GNN) has achieved remarkable success in various graph learning tasks, such as node classification, link prediction and graph classification. The key to the success of GNN lies in its effective structure information…

密码学与安全 · 计算机科学 2024-05-30 Peican Zhu , Zechen Pan , Keke Tang , Xiaodong Cui , Jinhuan Wang , Qi Xuan

Despite the remarkable capabilities demonstrated by Graph Neural Networks (GNNs) in graph-related tasks, recent research has revealed the fairness vulnerabilities in GNNs when facing malicious adversarial attacks. However, all existing…

机器学习 · 计算机科学 2024-10-31 Zihan Luo , Hong Huang , Yongkang Zhou , Jiping Zhang , Nuo Chen , Hai Jin

Deep Graph Learning (DGL) has emerged as a crucial technique across various domains. However, recent studies have exposed vulnerabilities in DGL models, such as susceptibility to evasion and poisoning attacks. While empirical and provable…

机器学习 · 计算机科学 2023-12-08 Yuni Lai , Yulin Zhu , Bailin Pan , Kai Zhou

Graph Neural Networks (GNNs) have achieved promising results in various tasks such as node classification and graph classification. Recent studies find that GNNs are vulnerable to adversarial attacks. However, effective backdoor attacks on…

密码学与安全 · 计算机科学 2023-03-03 Enyan Dai , Minhua Lin , Xiang Zhang , Suhang Wang