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Dynamic demand prediction is crucial for the efficient operation and management of urban transportation systems. Extensive research has been conducted on single-mode demand prediction, ignoring the fact that the demands for different…

机器学习 · 计算机科学 2022-09-02 Yuebing Liang , Guan Huang , Zhan Zhao

This study introduces a deep learning-based framework for forecasting weather-related traffic crash risk using heterogeneous spatiotemporal data. Given the complex, non-linear relationship between crash occurrence and factors such as road…

应用统计 · 统计学 2026-03-06 Abimbola Ogungbire , Srinivas Pulugurtha

Reliable multi-horizon traffic forecasting is challenging because network conditions are stochastic, incident disruptions are intermittent, and effective spatial dependencies vary across time-of-day patterns. This study is conducted on the…

Enabling mobile robots to perform long-term tasks in dynamic real-world environments is a formidable challenge, especially when the environment changes frequently due to human-robot interactions or the robot's own actions. Traditional…

机器人学 · 计算机科学 2025-03-20 Zhijie Yan , Shufei Li , Zuoxu Wang , Lixiu Wu , Han Wang , Jun Zhu , Lijiang Chen , Jihong Liu

Being able to predict the crowd flows in each and every part of a city, especially in irregular regions, is strategically important for traffic control, risk assessment, and public safety. However, it is very challenging because of…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Junkai Sun , Junbo Zhang , Qiaofei Li , Xiuwen Yi , Yuxuan Liang , Yu Zheng

A profound understanding of inter-agent relationships and motion behaviors is important to achieve high-quality planning when navigating in complex scenarios, especially at urban traffic intersections. We present a trajectory prediction…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Yuzhen Zhang , Wentong Wang , Weizhi Guo , Pei Lv , Mingliang Xu , Wei Chen , Dinesh Manocha

In an era marked by the increasing adoption of Large Language Models (LLMs) for various tasks, there is a growing focus on exploring LLMs' capabilities in handling web data, particularly graph data. Dynamic graphs, which capture temporal…

机器学习 · 计算机科学 2024-07-09 Zeyang Zhang , Xin Wang , Ziwei Zhang , Haoyang Li , Yijian Qin , Wenwu Zhu

With rapid expansion of cellular networks and the proliferation of mobile devices, cellular traffic data exhibits complex temporal dynamics and spatial correlations, posing challenges to accurate traffic prediction. Previous methods often…

网络与互联网体系结构 · 计算机科学 2026-02-20 Ziyi Li , Hui Ma , Fei Xing , Chunjiong Zhang , Ming Yan

Traffic prediction is a critical task in spatial-temporal forecasting with broad applications in travel planning and urban management. To model the complex spatial-temporal dependencies in traffic data, Spatial-Temporal Graph Convolutional…

机器学习 · 计算机科学 2026-05-01 Kaiqi Wu , Weiyang Kong , Sen Zhang , Zitong Chen , Yubao Liu

This paper investigates traffic forecasting, which attempts to forecast the future state of traffic based on historical situations. This problem has received ever-increasing attention in various scenarios and facilitated the development of…

机器学习 · 计算机科学 2024-03-05 Wei Ju , Yusheng Zhao , Yifang Qin , Siyu Yi , Jingyang Yuan , Zhiping Xiao , Xiao Luo , Xiting Yan , Ming Zhang

Traffic forecasting is one canonical example of spatial-temporal learning task in Intelligent Traffic System. Existing approaches capture spatial dependency with a pre-determined matrix in graph convolution neural operators. However, the…

机器学习 · 计算机科学 2022-06-08 Chen Weikang , Li Yawen , Xue Zhe , Li Ang , Wu Guobin

Accurate traffic flow forecasting is a crucial research topic in transportation management. However, it is a challenging problem due to rapidly changing traffic conditions, high nonlinearity of traffic flow, and complex spatial and temporal…

机器学习 · 计算机科学 2024-06-06 Sanghyun Lee , Chanyoung Park

Spatial-temporal network traffic forecasting is a challenging task due to the complex spatial relationships and dynamic temporal patterns present in each node. Traditional regression methods are not directly applicable to such graph data.…

信息检索 · 计算机科学 2026-05-12 Jinming Xing , Guoheng Sun , Hui Sun , Linchao Pan , Shakir Mahmood , Xuanhao Luo , Muhammad Shahzad

Continuous-time dynamic graphs (CTDGs) are essential for modeling interconnected, evolving systems. Traditional methods for extracting knowledge from these graphs often depend on feature engineering or deep learning. Feature engineering is…

机器学习 · 计算机科学 2024-11-08 Ahmad Naser Eddin , Jacopo Bono , David Aparício , Hugo Ferreira , Pedro Ribeiro , Pedro Bizarro

Traffic flow prediction, particularly in areas that experience highly dynamic flows such as motorways, is a major issue faced in traffic management. Due to increasingly large volumes of data sets being generated every minute, deep learning…

信号处理 · 电气工程与系统科学 2020-07-07 Adriana-Simona Mihaita , Zac Papachatgis , Marian-Andrei Rizoiu

Human mobility estimation is crucial during the COVID-19 pandemic due to its significant guidance for policymakers to make non-pharmaceutical interventions. While deep learning approaches outperform conventional estimation techniques on…

机器学习 · 计算机科学 2023-01-23 Han Bao , Xun Zhou , Yiqun Xie , Yanhua Li , Xiaowei Jia

Forecasting of multivariate time-series is an important problem that has applications in traffic management, cellular network configuration, and quantitative finance. A special case of the problem arises when there is a graph available that…

机器学习 · 计算机科学 2020-12-16 Boris N. Oreshkin , Arezou Amini , Lucy Coyle , Mark J. Coates

Multi-step passenger demand forecasting is a crucial task in on-demand vehicle sharing services. However, predicting passenger demand over multiple time horizons is generally challenging due to the nonlinear and dynamic spatial-temporal…

机器学习 · 计算机科学 2019-05-27 Lei Bai , Lina Yao , Salil. S Kanhere , Xianzhi Wang , Quan. Z Sheng

Traffic forecasting has attracted widespread attention recently. In reality, traffic data usually contains missing values due to sensor or communication errors. The Spatio-temporal feature in traffic data brings more challenges for…

机器学习 · 计算机科学 2022-12-14 Jingwei Zuo , Karine Zeitouni , Yehia Taher , Sandra Garcia-Rodriguez

This study presents a new deep learning framework, combining Spatio-Temporal Graph Convolutional Network (STGCN) with a Large Language Model (LLM), for bike demand forecasting. Addressing challenges in transforming discrete datasets and…

社会与信息网络 · 计算机科学 2024-03-26 Peisen Li , Yizhe Pang , Junyu Ren