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Graph neural networks (GNNs) provide important prospective insights in applications such as social behavior analysis and financial risk analysis based on their powerful learning capabilities on graph data. Nevertheless, GNNs' predictive…

机器学习 · 计算机科学 2024-12-23 Yuecen Wei , Xingcheng Fu , Lingyun Liu , Qingyun Sun , Hao Peng , Chunming Hu

This paper introduces adversarial attacks targeting a Graph Neural Network (GNN) based radio resource management system in point to point (P2P) communications. Our focus lies on perturbing the trained GNN model during the test phase,…

信号处理 · 电气工程与系统科学 2023-12-14 Ahmad Ghasemi , Ehsan Zeraatkar , Majid Moradikia , Seyed , Zekavat

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

We study deceptive fairness attacks on graphs to answer the following question: How can we achieve poisoning attacks on a graph learning model to exacerbate the bias deceptively? We answer this question via a bi-level optimization problem…

机器学习 · 计算机科学 2023-10-25 Jian Kang , Yinglong Xia , Ross Maciejewski , Jiebo Luo , Hanghang Tong

Federated learning claims to enable collaborative model training among multiple clients with data privacy by transmitting gradient updates instead of the actual client data. However, recent studies have shown the client privacy is still at…

机器学习 · 计算机科学 2025-03-04 Maria Drencheva , Ivo Petrov , Maximilian Baader , Dimitar I. Dimitrov , Martin Vechev

Adversarial attacks on Graph Neural Networks aim to perturb the performance of the learner by carefully modifying the graph topology and node attributes. Existing methods achieve attack stealthiness by constraining the modification budget…

机器学习 · 计算机科学 2025-06-10 Kai Yuan , Jiahao Zhang , Yidi Wang , Xiaobing Pei

Semi-supervised node classification on graphs is an important research problem, with many real-world applications in information retrieval such as content classification on a social network and query intent classification on an e-commerce…

机器学习 · 计算机科学 2022-03-29 Zhihao Wen , Yuan Fang , Zemin Liu

Recent studies have shown that Graph Convolutional Networks (GCNs) are vulnerable to adversarial attacks on the graph structure. Although multiple works have been proposed to improve their robustness against such structural adversarial…

机器学习 · 计算机科学 2021-09-14 Liang Chen , Jintang Li , Qibiao Peng , Yang Liu , Zibin Zheng , Carl Yang

Considering the wide application of network embedding methods in graph data mining, inspired by the adversarial attack in deep learning, this paper proposes a Genetic Algorithm (GA) based Euclidean Distance Attack strategy (EDA) to attack…

社会与信息网络 · 计算机科学 2019-11-11 Shanqing Yu , Jun Zheng , Jinhuan Wang , Jian Zhang , Lihong Chen , Qi Xuan , Jinyin Chen , Dan Zhang , Qingpeng Zhang

Recent studies have shown that Federated learning (FL) is vulnerable to Gradient Inversion Attacks (GIA), which can recover private training data from shared gradients. However, existing methods are designed for dense, continuous data such…

机器学习 · 计算机科学 2024-12-25 Tianzhe Xiao , Yichen Li , Yining Qi , Haozhao Wang , Ruixuan Li

Graph neural network (GNN), as a powerful representation learning model on graph data, attracts much attention across various disciplines. However, recent studies show that GNN is vulnerable to adversarial attacks. How to make GNN more…

机器学习 · 计算机科学 2019-05-14 Shen Wang , Zhengzhang Chen , Jingchao Ni , Xiao Yu , Zhichun Li , Haifeng Chen , Philip S. Yu

The main goal of this study is to investigate the robustness of graph-based Deep Learning (DL) models used for Internet of Things (IoT) malware classification against Adversarial Learning (AL). We designed two approaches to craft…

密码学与安全 · 计算机科学 2019-02-19 Ahmed Abusnaina , Aminollah Khormali , Hisham Alasmary , Jeman Park , Afsah Anwar , Ulku Meteriz , Aziz Mohaisen

Social platforms such as Twitter are under siege from a multitude of fraudulent users. In response, social bot detection tasks have been developed to identify such fake users. Due to the structure of social networks, the majority of methods…

密码学与安全 · 计算机科学 2023-10-12 Lanjun Wang , Xinran Qiao , Yanwei Xie , Weizhi Nie , Yongdong Zhang , Anan Liu

In the graph clustering problem with a planted solution, the input is a graph on $n$ vertices partitioned into $k$ clusters, and the task is to infer the clusters from graph structure. A standard assumption is that clusters induce…

Graph clustering (or community detection) has long drawn enormous attention from the research on web mining and information networks. Recent literature on this topic has reached a consensus that node contents and link structures should be…

社会与信息网络 · 计算机科学 2017-12-25 Carl Yang , Mengxiong Liu , Zongyi Wang , Liyuan Liu , Jiawei Han

Cyber Threat hunting is a proactive search for known attack behaviors in the organizational information system. It is an important component to mitigate advanced persistent threats (APTs). However, the attack behaviors recorded in…

密码学与安全 · 计算机科学 2021-04-21 Renzheng Wei , Lijun Cai , Aimin Yu , Dan Meng

Graph recommendation systems have been widely studied due to their ability to effectively capture the complex interactions between users and items. However, these systems also exhibit certain vulnerabilities when faced with attacks. The…

人工智能 · 计算机科学 2025-06-11 Runze Li , Di Jin , Xiaobao Wang , Dongxiao He , Bingdao Feng , Zhen Wang

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

Online stores often utilize product relationships such as bundles and substitutes to improve their catalog quality and guide customers through myriad choices. Entity resolution using pairwise product matching models offers a means of…

机器学习 · 计算机科学 2021-05-14 Robert A. Barton , Tal Neiman , Changhe Yuan

The graph contrastive learning (GCL) framework has gained remarkable achievements in graph representation learning. However, similar to graph neural networks (GNNs), GCL models are susceptible to graph structural attacks. As an unsupervised…

机器学习 · 计算机科学 2025-08-25 Yulin Zhu , Xing Ai , Yevgeniy Vorobeychik , Kai Zhou