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Network-on-Chip (NoC) enables on-chip communication between diverse cores in modern System-on-Chip (SoC) designs. With its shared communication fabric, NoC has become a focal point for various security threats, especially in heterogeneous…

密码学与安全 · 计算机科学 2025-05-22 Hansika Weerasena , Xiaoguo Jia , Prabhat Mishra

Graph Neural Networks (GNNs) are deep-learning architectures designed for graph-type data, where understanding relationships among individual observations is crucial. However, achieving promising GNN performance, especially on unseen data,…

机器学习 · 计算机科学 2024-05-22 Lequan Lin , Dai Shi , Andi Han , Zhiyong Wang , Junbin Gao

Traffic forecasting is a problem of intelligent transportation systems (ITS) and crucial for individuals and public agencies. Therefore, researches pay great attention to deal with the complex spatio-temporal dependencies of traffic system…

机器学习 · 计算机科学 2021-12-07 Yanjun Qin , Yuchen Fang , Haiyong Luo , Fang Zhao , Chenxing Wang

Real-time traffic flow prediction holds significant importance within the domain of Intelligent Transportation Systems (ITS). The task of achieving a balance between prediction precision and computational efficiency presents a significant…

机器学习 · 计算机科学 2024-04-08 Muhammad Yaqub , Shahzad Ahmad , Malik Abdul Manan , Imran Shabir Chuhan

Traffic forecasting is a fundamental and challenging task in the field of intelligent transportation. Accurate forecasting not only depends on the historical traffic flow information but also needs to consider the influence of a variety of…

机器学习 · 计算机科学 2020-11-24 Jiawei Zhu , Chao Tao , Hanhan Deng , Ling Zhao , Pu Wang , Tao Lin , Haifeng Li

Traffic speed forecasting is one of the core problems in transportation systems. For a more accurate prediction, recent studies started using not only the temporal speed patterns but also the spatial information on the road network through…

机器学习 · 计算机科学 2022-09-27 Kyungeun Lee , Wonjong Rhee

Nowadays, autonomous driving has attracted much attention from both industry and academia. Convolutional neural network (CNN) is a key component in autonomous driving, which is also increasingly adopted in pervasive computing such as…

信号处理 · 电气工程与系统科学 2020-02-07 Yao Deng , Xi Zheng , Tianyi Zhang , Chen Chen , Guannan Lou , Miryung Kim

Deep Neural Networks (DNNs) are commonly used for various traffic analysis problems, such as website fingerprinting and flow correlation, as they outperform traditional (e.g., statistical) techniques by large margins. However, deep neural…

密码学与安全 · 计算机科学 2020-02-18 Milad Nasr , Alireza Bahramali , Amir Houmansadr

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…

机器学习 · 计算机科学 2021-06-22 Jiaqi Ma , Junwei Deng , Qiaozhu Mei

Node classification using Graph Neural Networks (GNNs) has been widely applied in various practical scenarios, such as predicting user interests and detecting communities in social networks. However, recent studies have shown that…

机器学习 · 计算机科学 2024-08-14 Shuqi He , Jun Zhuang , Ding Wang , Jun Song

Despite recent progress in reducing road fatalities, the persistently high rate of traffic-related deaths highlights the necessity for improved safety interventions. Leveraging large-scale graph-based nationwide road network data across 49…

机器学习 · 计算机科学 2024-11-06 Xiwen Chen , Sayed Pedram Haeri Boroujeni , Xin Shu , Huayu Li , Abolfazl Razi

Accurate traffic speed prediction is an important and challenging topic for transportation planning. Previous studies on traffic speed prediction predominately used spatio-temporal and context features for prediction. However, they have not…

机器学习 · 计算机科学 2019-12-04 Qinge Xie , Tiancheng Guo , Yang Chen , Yu Xiao , Xin Wang , Ben Y. Zhao

Traffic flow forecasting is a highly challenging task due to the dynamic spatial-temporal road conditions. Graph neural networks (GNN) has been widely applied in this task. However, most of these GNNs ignore the effects of time-varying road…

机器学习 · 计算机科学 2023-07-13 Zhengdao Li , Wei Li , Kai Hwang

Graph Neural Networks (GNNs) have achieved remarkable success across diverse applications, yet they remain limited by oversmoothing and poor performance on heterophilic graphs. To address these challenges, we introduce a novel framework…

机器学习 · 计算机科学 2025-11-19 Cristina López Amado , Tassilo Schwarz , Yu Tian , Renaud Lambiotte

Graph convolutional networks (GCNs) are powerful tools for graph-structured data. However, they have been recently shown to be vulnerable to topological attacks. To enhance adversarial robustness, we go beyond spectral graph theory to…

机器学习 · 计算机科学 2021-09-22 Ming Jin , Heng Chang , Wenwu Zhu , Somayeh Sojoudi

We propose a novel Graph Neural Network (GNN) model, named DeepStateGNN, for analyzing traffic data, demonstrating its efficacy in two critical tasks: forecasting and reconstruction. Unlike typical GNN methods that treat each traffic sensor…

机器学习 · 计算机科学 2025-02-21 Yannick Wölker , Arash Hajisafi , Cyrus Shahabi , Matthias Renz

Trajectory prediction systems are critical for autonomous vehicle safety, yet remain vulnerable to adversarial attacks that can cause catastrophic traffic behavior misinterpretations. Existing attack methods require white-box access with…

机器人学 · 计算机科学 2026-03-30 Jiaxiang Li , Jun Yan , Daniel Watzenig , Huilin Yin

Graph Neural Networks (GNNs) have achieved promising results in tasks such as node classification and graph classification. However, recent studies reveal that GNNs are vulnerable to backdoor attacks, posing a significant threat to their…

机器学习 · 计算机科学 2025-03-13 Zhiwei Zhang , Minhua Lin , Junjie Xu , Zongyu Wu , Enyan Dai , Suhang Wang

Traffic forecasting is important in intelligent transportation systems of webs and beneficial to traffic safety, yet is very challenging because of the complex and dynamic spatio-temporal dependencies in real-world traffic systems. Prior…

机器学习 · 计算机科学 2021-12-07 Yuchen Fang , Yanjun Qin , Haiyong Luo , Fang Zhao , Liang Zeng , Bo Hui , Chenxing Wang

In this letter we focus on designing self-organizing diffusion mobile adaptive networks where the individual agents are allowed to move in pursuit of an objective (target). The well-known Adapt-then-Combine (ATC) algorithm is already…

机器人学 · 计算机科学 2016-03-30 Amir Rastegarnia , Azam Khalili , Md Kafiul Islam