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The task of graph node classification is often approached by utilizing a local Graph Neural Network (GNN), that learns only local information from the node input features and their adjacency. In this paper, we propose to improve the…

机器学习 · 计算机科学 2024-06-18 Moshe Eliasof , Eran Treister

Graph Neural Networks (GNNs) have demonstrated strong performance across tasks such as node classification, link prediction, and graph classification, but remain vulnerable to backdoor attacks that implant imperceptible triggers during…

机器学习 · 计算机科学 2025-12-16 Xiaobao Wang , Ruoxiao Sun , Yujun Zhang , Bingdao Feng , Dongxiao He , Luzhi Wang , Di Jin

Deep learning (DL) is becoming popular as a new tool for many applications in wireless communication systems. However, for many classification tasks (e.g., modulation classification) it has been shown that DL-based wireless systems are…

信息论 · 计算机科学 2021-01-29 B. R. Manoj , Meysam Sadeghi , Erik G. Larsson

Graph neural networks (GNNs) have emerged as powerful models for learning representations of graph data showing state of the art results in various tasks. Nevertheless, the superiority of these methods is usually supported by either…

机器学习 · 计算机科学 2024-11-22 Tianqi Zhao , Megha Khosla

Link prediction, inferring the undiscovered or potential links of the graph, is widely applied in the real-world. By facilitating labeled links of the graph as the training data, numerous deep learning based link prediction methods have…

社会与信息网络 · 计算机科学 2022-08-16 Haibin Zheng , Haiyang Xiong , Haonan Ma , Guohan Huang , Jinyin Chen

Continuous advancements in deep learning have led to significant progress in feature detection, resulting in enhanced accuracy in tasks like Simultaneous Localization and Mapping (SLAM). Nevertheless, the vulnerability of deep neural…

Deep neural networks (DNNs) have been showed to be highly vulnerable to imperceptible adversarial perturbations. As a complementary type of adversary, patch attacks that introduce perceptible perturbations to the images have attracted the…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Zhaoyu Chen , Bo Li , Shuang Wu , Shouhong Ding , Wenqiang Zhang

Adversarial learning and the robustness of Graph Neural Networks (GNNs) are topics of widespread interest in the machine learning community, as documented by the number of adversarial attacks and defenses designed for these purposes. While…

机器学习 · 计算机科学 2026-05-08 Tran Gia Bao Ngo , Zulfikar Alom , Federico Errica , Murat Kantarcioglu , Cuneyt Gurcan Akcora

As an increasing number of deep-learning-based malware scanners have been proposed, the existing evasion techniques, including code obfuscation and polymorphic malware, are found to be less effective. In this work, we propose a…

密码学与安全 · 计算机科学 2022-03-18 Lan Zhang , Peng Liu , Yoon-Ho Choi , Ping Chen

Deep neural networks for image classification remain vulnerable to adversarial examples -- small, imperceptible perturbations that induce misclassifications. In black-box settings, where only the final prediction is accessible, crafting…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Arjhun Swaminathan , Mete Akgün

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…

机器学习 · 计算机科学 2020-06-30 Wei Jin , Yao Ma , Xiaorui Liu , Xianfeng Tang , Suhang Wang , Jiliang Tang

Node classification is a fundamental graph-based task that aims to predict the classes of unlabeled nodes, for which Graph Neural Networks (GNNs) are the state-of-the-art methods. Current GNNs assume that nodes in the training set…

机器学习 · 计算机科学 2023-01-02 Xiaowen Wei , Xiuwen Gong , Yibing Zhan , Bo Du , Yong Luo , Wenbin Hu

With the widespread use of deep learning system in many applications, the adversary has strong incentive to explore vulnerabilities of deep neural networks and manipulate them. Backdoor attacks against deep neural networks have been…

密码学与安全 · 计算机科学 2019-06-05 Jiazhu Dai , Chuanshuai Chen

In recent years, the adversarial vulnerability of deep neural networks (DNNs) has raised increasing attention. Among all the threat models, no-box attacks are the most practical but extremely challenging since they neither rely on any…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Qilong Zhang , Youheng Sun , Chaoning Zhang , Chaoqun Li , Xuanhan Wang , Jingkuan Song , Lianli Gao

The success of graph neural networks stimulates the prosperity of graph mining and the corresponding downstream tasks including graph anomaly detection (GAD). However, it has been explored that those graph mining methods are vulnerable to…

密码学与安全 · 计算机科学 2023-07-18 Yulin Zhu , Yuni Lai , Kaifa Zhao , Xiapu Luo , Mingquan Yuan , Jun Wu , Jian Ren , Kai Zhou

Graph neural networks (GNNs) have achieved state-of-the-art performance in many graph learning tasks. However, recent studies show that GNNs are vulnerable to both test-time evasion and training-time poisoning attacks that perturb the graph…

密码学与安全 · 计算机科学 2023-03-14 Binghui Wang , Meng Pang , Yun Dong

Deploying convolutional neural networks (CNNs) for embedded applications presents many challenges in balancing resource-efficiency and task-related accuracy. These two aspects have been well-researched in the field of CNN compression. In…

Deep neural networks (DNNs) are shown to be susceptible to adversarial example attacks. Most existing works achieve this malicious objective by crafting subtle pixel-wise perturbations, and they are difficult to launch in the physical world…

机器学习 · 计算机科学 2020-08-31 Bo Luo , Qiang Xu

Deep neural networks (DNNs) are one of the most prominent technologies of our time, as they achieve state-of-the-art performance in many machine learning tasks, including but not limited to image classification, text mining, and speech…

机器学习 · 统计学 2017-11-03 Pin-Yu Chen , Huan Zhang , Yash Sharma , Jinfeng Yi , Cho-Jui Hsieh

Gradient inversion attacks aim to reconstruct local training data from intermediate gradients exposed in the federated learning framework. Despite successful attacks, all previous methods, starting from reconstructing a single data point…

密码学与安全 · 计算机科学 2024-04-16 Yanbo Wang , Jian Liang , Ran He