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Predicting traffic accidents is the key to sustainable city management, which requires effective address of the dynamic and complex spatiotemporal characteristics of cities. Current data-driven models often struggle with data sparsity and…

Machine Learning · Computer Science 2024-07-26 Xiaowei Gao , James Haworth , Ilya Ilyankou , Xianghui Zhang , Tao Cheng , Stephen Law , Huanfa Chen

In the era of information explosion, spatio-temporal data mining serves as a critical part of urban management. Considering the various fields demanding attention, e.g., traffic state, human activity, and social event, predicting multiple…

Artificial Intelligence · Computer Science 2023-09-19 Zijian Zhang , Xiangyu Zhao , Qidong Liu , Chunxu Zhang , Qian Ma , Wanyu Wang , Hongwei Zhao , Yiqi Wang , Zitao Liu

Estimating the travel time of a path is an essential topic for intelligent transportation systems. It serves as the foundation for real-world applications, such as traffic monitoring, route planning, and taxi dispatching. However, building…

Machine Learning · Computer Science 2022-07-05 Zhiwen Zhang , Hongjun Wang , Jiyuan Chen , Zipei Fan , Xuan Song , Ryosuke Shibasaki

Traffic forecasting has recently attracted increasing interest due to the popularity of online navigation services, ridesharing and smart city projects. Owing to the non-stationary nature of road traffic, forecasting accuracy is…

Machine Learning · Computer Science 2023-07-10 Rui Dai , Shenkun Xu , Qian Gu , Chenguang Ji , Kaikui Liu

Pedestrian trajectory modelling in an urban complex is challenging because pedestrians can have many possible destinations, such as shops, escalators, and attractions. Moreover, weather and time-of-day may affect pedestrian behavior. In…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Ho Chun Wu , Esther Hoi Shan Lau , Paul Yuen , Kevin Hung , John Kwok Tai Chui , Andrew Kwok Fai Lui

Network traffic forecasting plays a crucial role in intelligent network operations, but existing techniques often perform poorly when faced with limited data. Additionally, multi-task learning methods struggle with task imbalance and…

Machine Learning · Computer Science 2026-01-30 Hui Ma , Qingzhong Li , Jin Wang , Jie Wu , Shaoyu Dou , Li Feng , Xinjun Pei

The self-attention mechanism, which equips with a strong capability of modeling long-range dependencies, is one of the extensively used techniques in the sequential recommendation field. However, many recent studies represent that current…

Information Retrieval · Computer Science 2023-05-18 Xinyu Du , Huanhuan Yuan , Pengpeng Zhao , Jianfeng Qu , Fuzhen Zhuang , Guanfeng Liu , Victor S. Sheng

Accurate forecasting of citywide traffic flow has been playing critical role in a variety of spatial-temporal mining applications, such as intelligent traffic control and public risk assessment. While previous work has made significant…

Machine Learning · Computer Science 2021-10-11 Xiyue Zhang , Chao Huang , Yong Xu , Lianghao Xia , Peng Dai , Liefeng Bo , Junbo Zhang , Yu Zheng

For traffic incident detection, the acquisition of data and labels is notably resource-intensive, rendering semi-supervised traffic incident detection both a formidable and consequential challenge. Thus, this paper focuses on traffic…

Machine Learning · Computer Science 2024-09-13 Xinying Lu , Jianli Xiao

Traffic data exhibits complex temporal, spatial, and spatial-temporal correlations. Most of models use either independent modules to separately extract temporal and spatial correlations or joint modules to synchronously extract them,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Kai Hu , Zhidan Zhao , Zhifeng Hao

The problem of modeling and predicting spatiotemporal traffic phenomena over an urban road network is important to many traffic applications such as detecting and forecasting congestion hotspots. This paper presents a decentralized data…

Artificial Intelligence · Computer Science 2014-08-12 Jie Chen , Kian Hsiang Low , Colin Keng-Yan Tan , Ali Oran , Patrick Jaillet , John Dolan , Gaurav Sukhatme

In modern urban centers, effective transportation management poses a significant challenge, with traffic jams and inconsistent travel durations greatly affecting commuters and logistics operations. This study introduces a novel method for…

Machine Learning · Computer Science 2024-10-10 Shambhavi Mishra , T. Satyanarayana Murthy

Traffic forecasting has emerged as a crucial research area in the development of smart cities. Although various neural networks with intricate architectures have been developed to address this problem, they still face two key challenges: i)…

Machine Learning · Computer Science 2024-08-27 Jianxiang Zhou , Erdong Liu , Wei Chen , Siru Zhong , Yuxuan Liang

Traffic flow forecasting is considered a critical task in the field of intelligent transportation systems. In this paper, to address the issue of low accuracy in long-term forecasting of spatial-temporal big data on traffic flow, we propose…

Machine Learning · Computer Science 2024-07-17 Baichao Long , Wang Zhu , Jianli Xiao

Traffic congestion has significant impacts on both the economy and the environment. Measures of Effectiveness (MOEs) have long been the standard for evaluating traffic intersections' level of service and operational efficiency. However, the…

Machine Learning · Computer Science 2025-05-16 Nooshin Yousefzadeh , Rahul Sengupta , Yashaswi Karnati , Anand Rangarajan , Sanjay Ranka

Ride-hailing system requires efficient management of dynamic demand and supply to ensure optimal service delivery, pricing strategies, and operational efficiency. Designing spatio-temporal forecasting models separately in a task-wise and…

Machine Learning · Computer Science 2024-09-09 M. H. Rahman , S. M. Rifaat , S. N. Sadeek , M. Abrar , D. Wang

Consecutive frames in a video contain redundancy, but they may also contain relevant complementary information for the detection task. The objective of our work is to leverage this complementary information to improve detection. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-19 Noreen Anwar , Guillaume-Alexandre Bilodeau , Wassim Bouachir

Traffic flow estimation (TFE) is crucial for urban intelligent traffic systems. While traditional on-road detectors are hindered by limited coverage and high costs, cloud computing and data mining of vehicular network data, such as driving…

Artificial Intelligence · Computer Science 2024-07-12 Doncheng Yuan , Jianzhe Xue , Jinshan Su , Wenchao Xu , Haibo Zhou

Motion forecasting for autonomous driving is a challenging task because complex driving scenarios result in a heterogeneous mix of static and dynamic inputs. It is an open problem how best to represent and fuse information about road…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Nigamaa Nayakanti , Rami Al-Rfou , Aurick Zhou , Kratarth Goel , Khaled S. Refaat , Benjamin Sapp

The technology of traffic flow forecasting plays an important role in intelligent transportation systems. Based on graph neural networks and attention mechanisms, most previous works utilize the transformer architecture to discover…

Machine Learning · Computer Science 2022-07-19 Weiguo Zhu , Yongqi Sun , Xintong Yi , Yan Wang