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Graph neural networks (GNN) have shown significant capabilities in handling structured data, yet their application to dynamic, temporal data remains limited. This paper presents a new type of graph attention network, called TempoKGAT, which…

机器学习 · 计算机科学 2024-12-24 Lena Sasal , Daniel Busby , Abdenour Hadid

Link prediction in heterogeneous networks is crucial for understanding the intricacies of network structures and forecasting their future developments. Traditional methodologies often face significant obstacles, including…

计算工程、金融与科学 · 计算机科学 2025-01-07 Shengming Zhang , Le Zhang , Jingbo Zhou , Hui Xiong

Graph Convolutional Network (GCN) has been widely applied in transportation demand prediction due to its excellent ability to capture non-Euclidean spatial dependence among station-level or regional transportation demands. However, in most…

机器学习 · 计算机科学 2020-12-16 Junchen Ye , Leilei Sun , Bowen Du , Yanjie Fu , Hui Xiong

Graph Attention Networks(GATs) are useful deep learning models to deal with the graph data. However, recent works show that the classical GAT is vulnerable to adversarial attacks. It degrades dramatically with slight perturbations.…

机器学习 · 计算机科学 2022-08-05 Xianchen Zhou , Yaoyun Zeng , Hongxia Wang

Graph neural network, as a powerful graph representation technique based on deep learning, has shown superior performance and attracted considerable research interest. However, it has not been fully considered in graph neural network for…

社会与信息网络 · 计算机科学 2021-01-21 Xiao Wang , Houye Ji , Chuan Shi , Bai Wang , Peng Cui , P. Yu , Yanfang Ye

Modern logistics networks generate rich operational data streams at every warehouse node and transportation lane -- from order timestamps and routing records to shipping manifests -- yet predicting delivery delays remains predominantly…

人工智能 · 计算机科学 2026-04-08 Zhiming Xue , Menghao Huo , Yujue Wang

The success of motion prediction for autonomous driving relies on integration of information from the HD maps. As maps are naturally graph-structured, investigation on graph neural networks (GNNs) for encoding HD maps is burgeoning in…

人工智能 · 计算机科学 2022-09-07 Fang Da , Yu Zhang

Indoor localization is a critical enabler for a wide range of location-based services in smart environments, including navigation, asset tracking, and safety-critical applications. Recent graph-based models leverage spatial relationships…

机器学习 · 计算机科学 2026-02-02 Ayesh Abu Lehyeh , Anastassia Gharib , Safwan Wshah

As urban environments grow, the modelling of transportation systems becomes increasingly complex. This paper advances the field of travel demand modelling by introducing advanced Graph Neural Network (GNN) architectures as surrogate models,…

机器学习 · 计算机科学 2025-03-21 Nikita Makarov , Santhanakrishnan Narayanan , Constantinos Antoniou

Recent research on graph neural networks (GNNs) has explored mechanisms for capturing local uncertainty and exploiting graph hierarchies to mitigate data sparsity and leverage structural properties. However, the synergistic integration of…

机器学习 · 计算机科学 2025-05-06 Yoonhyuk Choi , Jiho Choi , Taewook Ko , Chong-Kwon Kim

Graph-structured data is ubiquitous in scientific domains, where models often face imbalanced learning settings. In imbalanced regression, domain preferences focus on specific target value ranges that represent the most scientifically…

机器学习 · 计算机科学 2025-07-15 Brenda Nogueira , Gabe Gomes , Meng Jiang , Nitesh V. Chawla , Nuno Moniz

We consider the broad class of decentralized optimal resource allocation problems in wireless networks, which can be formulated as a constrained statistical learning problems with a localized information structure. We develop the use of…

信号处理 · 电气工程与系统科学 2022-05-11 Zhiyang Wang , Mark Eisen , Alejandro Ribeiro

With the development of the Internet of Things (IoT), network intrusion detection is becoming more complex and extensive. It is essential to investigate an intelligent, automated, and robust network intrusion detection method. Graph neural…

密码学与安全 · 计算机科学 2023-04-17 Yalu Wang , Zhijie Han , Jie Li , Xin He

The Spatial-Temporal Graph Attention Network (ST-GAT) framework was created to serve as an explainable GNN-based solution for detecting bank distress early warning signs and for conducting macro-prudential surveillance of the interbank…

机器学习 · 计算机科学 2026-04-17 Mohammad Nasir Uddin

Accurate spatial prediction of cellular traffic demand is essential for 5G NR capacity planning, network densification, and data-driven 6G planning. Although machine learning can fuse heterogeneous geospatial and socio-economic layers to…

机器学习 · 计算机科学 2026-03-12 Mohamad Alkadamani , Colin Brown , Halim Yanikomeroglu

Predicting the motion of multiple traffic participants has always been one of the most challenging tasks in autonomous driving. The recently proposed occupancy flow field prediction method has shown to be a more effective and scalable…

系统与控制 · 电气工程与系统科学 2024-07-02 Zhan Chen , Chen Tang , Lu Xiong

Local Attention-guided Message Passing Mechanism (LAMP) adopted in Graph Attention Networks (GATs) is designed to adaptively learn the importance of neighboring nodes for better local aggregation on the graph, which can bring the…

机器学习 · 计算机科学 2024-06-18 Silu He , Qinyao Luo , Xinsha Fu , Ling Zhao , Ronghua Du , Haifeng Li

The existing sonar image classification methods based on deep learning are often analyzed in Euclidean space, only considering the local image features. For this reason, this paper presents a sonar classification method based on improved…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Can Lei , Huigang Wang , Juan Lei

There has been a resurgence of applications focused on Human Activity Recognition (HAR) in smart homes, especially in the field of ambient intelligence and assisted living technologies. However, such applications present numerous…

机器学习 · 计算机科学 2023-11-17 Srivatsa P , Thomas Plötz

The increase of bandwidth-intensive applications in sixth-generation (6G) wireless networks, such as real-time volumetric streaming and multi-sensory extended reality, demands intelligent multicast routing solutions capable of delivering…

网络与互联网体系结构 · 计算机科学 2025-10-14 Xiucheng Wang , Zien Wang , Nan Cheng , Wenchao Xu , Wei Quan , Xuemin Shen