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Accurate traffic prediction is essential for optimizing transportation systems, enhancing resource allocation, and improving overall urban administration. Spatio-temporal graph neural networks (GNNs) have achieved state-of-the-art…

Machine Learning · Computer Science 2026-05-12 Qianru Zhang , Xinyi Gao , Alexander Zhou , Reynold Cheng , Siu-Ming Yiu , Hongzhi Yin

Among various region embedding methods, graph-based region relation learning models stand out, owing to their strong structure representation ability for encoding spatial correlations with graph neural networks. Despite their effectiveness,…

Machine Learning · Computer Science 2023-05-09 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Zhonghang Li , Siuming Yiu

Biological spiking neurons with intrinsic dynamics underlie the powerful representation and learning capabilities of the brain for processing multimodal information in complex environments. Despite recent tremendous progress in spiking…

Neural and Evolutionary Computing · Computer Science 2021-07-15 Mingkun Xu , Yujie Wu , Lei Deng , Faqiang Liu , Guoqi Li , Jing Pei

Graph Neural Networks (GNNs) have advanced spatiotemporal forecasting by leveraging relational inductive biases among sensors (or any other measuring scheme) represented as nodes in a graph. However, current methods often rely on Recurrent…

Machine Learning · Computer Science 2024-05-30 Aref Einizade , Fragkiskos D. Malliaros , Jhony H. Giraldo

In smart mobility, large networks of geographically distributed sensors produce vast amounts of high-frequency spatio-temporal data that must be processed in real time to avoid major disruptions. Traditional centralized approaches are…

Machine Learning · Computer Science 2025-05-23 Ivan Kralj , Lodovico Giaretta , Gordan Ježić , Ivana Podnar Žarko , Šarūnas Girdzijauskas

Traffic forecasting in cellular networks is a challenging spatiotemporal prediction problem due to strong temporal dependencies, spatial heterogeneity across cells, and the need for scalability to large network deployments. Traditional…

Machine Learning · Computer Science 2026-03-16 Zineddine Bettouche , Khalid Ali , Andreas Fischer , Andreas Kassler

Inspired by the ubiquitous use of differential equations to model continuous dynamics across diverse scientific and engineering domains, we propose a novel and intuitive approach to continuous sequence modeling. Our method interprets…

Machine Learning · Computer Science 2025-02-03 Macheng Shen , Chen Cheng

Existing Scene Text Recognition (STR) methods typically use a language model to optimize the joint probability of the 1D character sequence predicted by a visual recognition (VR) model, which ignore the 2D spatial context of visual…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Yue He , Chen Chen , Jing Zhang , Juhua Liu , Fengxiang He , Chaoyue Wang , Bo Du

The problem of processing very long time-series data (e.g., a length of more than 10,000) is a long-standing research problem in machine learning. Recently, one breakthrough, called neural rough differential equations (NRDEs), has been…

Machine Learning · Computer Science 2022-04-20 Jaehoon Lee , Jinsung Jeon , Sheo yon Jhin , Jihyeon Hyeong , Jayoung Kim , Minju Jo , Kook Seungji , Noseong Park

In recent years, traffic flow prediction has played a crucial role in the management of intelligent transportation systems. However, traditional forecasting methods often model non-Euclidean low-dimensional traffic data as a simple graph…

Machine Learning · Computer Science 2025-01-08 Mei Wu , Yiqian Lin , Tianfan Jiang , Wenchao Weng

Session-based recommendation (SBR) aims to predict the user next action based on the ongoing sessions. Recently, there has been an increasing interest in modeling the user preference evolution to capture the fine-grained user interests.…

Information Retrieval · Computer Science 2022-08-23 Jiayan Guo , Peiyan Zhang , Chaozhuo Li , Xing Xie , Yan Zhang , Sunghun Kim

Modeling complex spatial and temporal correlations in the correlated time series data is indispensable for understanding the traffic dynamics and predicting the future status of an evolving traffic system. Recent works focus on designing…

Machine Learning · Computer Science 2020-10-23 Lei Bai , Lina Yao , Can Li , Xianzhi Wang , Can Wang

Scientific machine learning has seen significant progress with the emergence of operator learning. However, existing methods encounter difficulties when applied to problems on unstructured grids and irregular domains. Spatial graph neural…

Machine Learning · Computer Science 2024-09-04 Subhankar Sarkar , Souvik Chakraborty

Urban spatio-temporal data present unique challenges for predictive analytics due to their dynamic and complex nature. We introduce STM-Graph, an open-source Python framework that transforms raw spatio-temporal urban event data into graph…

Machine Learning · Computer Science 2025-09-16 Amirhossein Ghaffari , Huong Nguyen , Lauri Lovén , Ekaterina Gilman

In this work, we examine a novel forecasting approach for COVID-19 case prediction that uses Graph Neural Networks and mobility data. In contrast to existing time series forecasting models, the proposed approach learns from a single…

Machine Learning · Computer Science 2020-07-08 Amol Kapoor , Xue Ben , Luyang Liu , Bryan Perozzi , Matt Barnes , Martin Blais , Shawn O'Banion

Spatial-temporal (ST) graph modeling, such as traffic speed forecasting and taxi demand prediction, is an important task in deep learning area. However, for the nodes in graph, their ST patterns can vary greatly in difficulties for…

Machine Learning · Computer Science 2022-11-29 Hongjun Wang , Jiyuan Chen , Tong Pan , Zipei Fan , Boyuan Zhang , Renhe Jiang , Lingyu Zhang , Yi Xie , Zhongyi Wang , Xuan Song

Detecting anomalies in dynamic graphs is a vital task, with numerous practical applications in areas such as security, finance, and social media. Previous network embedding based methods have been mostly focusing on learning good node…

Machine Learning · Computer Science 2020-05-26 Lei Cai , Zhengzhang Chen , Chen Luo , Jiaping Gui , Jingchao Ni , Ding Li , Haifeng Chen

Traffic forecasting approaches are critical to developing adaptive strategies for mobility. Traffic patterns have complex spatial and temporal dependencies that make accurate forecasting on large highway networks a challenging task.…

Machine Learning · Computer Science 2020-07-23 Tanwi Mallick , Prasanna Balaprakash , Eric Rask , Jane Macfarlane

We consider a setting where multiple entities inter-act with each other over time and the time-varying statuses of the entities are represented as multiple correlated time series. For example, speed sensors are deployed in different…

Machine Learning · Computer Science 2021-03-23 Razvan-Gabriel Cirstea , Chenjuan Guo , Bin Yang

Spatial-temporal graph learning has emerged as a promising solution for modeling structured spatial-temporal data and learning region representations for various urban sensing tasks such as crime forecasting and traffic flow prediction.…

Machine Learning · Computer Science 2023-06-21 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Siuming Yiu , Ruihua Han