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Greenhouse gas emissions have dramatically risen since the early 1900s with U.S. transportation generating 28% of U.S. emissions. As such, there is interest in reducing transportation-related emissions. Specifically, sustainability research…

Computers and Society · Computer Science 2024-01-18 Michael Villarreal , Dawei Wang , Jia Pan , Weizi Li

Opportunistic networks (OppNets) are focused to exploit direct, localised communications which occur in a peer-to-peer manner mostly based on people's movements and their contact durations. Therefore, the use of realistic mobility models is…

Networking and Internet Architecture · Computer Science 2017-09-11 Zeynep Vatandas , Manikandan Venkateswaran , Koojana Kuladinithi , Andreas Timm-Giel

The ability to predict the future trajectories of traffic participants is crucial for the safe and efficient operation of autonomous vehicles. In this paper, a diffusion-based generative model for multi-agent trajectory prediction is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Theodor Westny , Björn Olofsson , Erik Frisk

Assessing the resilience of a road network is instrumental to improve existing infrastructures and design new ones. Here we apply the optimal path crack model (OPC) to investigate the mobility of road networks and propose a new proxy for…

Physics and Society · Physics 2020-11-04 H. A. Carmona , A. W. T. de Noronha , A. A. Moreira , N. A. M. Araujo , J. S. Andrade

Mobile traffic forecasting allows operators to anticipate network dynamics and performance in advance, offering substantial potential for enhancing service quality and improving user experience. However, existing models are often…

Machine Learning · Computer Science 2025-08-12 Haoye Chai , Shiyuan Zhang , Xiaoqian Qi , Baohua Qiu , Yong Li

Microscopic traffic flow models can be distinguished in lane-based or lane-free depending on the degree of lane-discipline. This distinction holds true only if motorcycles are neglected in lane-based traffic. In cities, as opposed to…

Social and Information Networks · Computer Science 2022-10-26 Georg Anagnostopoulos , Nikolas Geroliminis

Big, transport-related datasets are nowadays publicly available, which makes data-driven mobility analysis possible. Trips with their origins, destinations and travel times are collected in publicly available big databases, which allows for…

Physics and Society · Physics 2019-11-26 Guido Cantelmo , Kucharski Rafal , Constantinos Antoniou

Autonomous driving is a major paradigm shift in transportation, with the potential to enhance safety, optimize traffic congestion, and reduce fuel consumption. Although autonomous vehicles rely on advanced sensors and on-board computing…

Networking and Internet Architecture · Computer Science 2025-04-22 Marcello Bullo , Amir Ashtari Gargari , Paolo Testolina , Michele Zorzi , Marco Giordani

Network traffic refers to the amount of data being sent and received over the Internet or any system that connects computers. Analyzing network traffic is vital for security and management, yet remains challenging due to the heterogeneity…

Machine Learning · Computer Science 2026-01-15 Xiaochang Li , Chen Qian , Qineng Wang , Jiangtao Kong , Yuchen Wang , Ziyu Yao , Bo Ji , Long Cheng , Gang Zhou , Huajie Shao

While High Definition (HD) Maps have long been favored for their precise depictions of static road elements, their accessibility constraints and susceptibility to rapid environmental changes impede the widespread deployment of autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Jing-Yan Liao , Parth Doshi , Zihan Zhang , David Paz , Henrik Christensen

Road transportation is one of the largest sectors of greenhouse gas (GHG) emissions affecting climate change. Tackling climate change as a global community will require new capabilities to measure and inventory road transport emissions.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ryan Mukherjee , Derek Rollend , Gordon Christie , Armin Hadzic , Sally Matson , Anshu Saksena , Marisa Hughes

Constructing high resolution air pollution maps at lower cost is crucial for sustainable city management and public health risk assessment. However, traditional fixed-site monitoring lacks spatial coverage, while mobile low-cost sensors…

Machine Learning · Computer Science 2025-03-18 Rui Xu , Dawen Yao , Yuzhuang Pian , Ruhui Cao , Yixin Fu , Xinru Yang , Ting Gan , Yonghong Liu

The connected vehicle (CV) data could potentially revolutionize the traffic monitoring landscape as a new source of CV data that are collected exclusively from original equipment manufactures (OEMs) have emerged in the commercial market in…

Networking and Internet Architecture · Computer Science 2022-09-29 Zijia Zhong , Liuhui Zhao , Branislav Dimitrijevic , Dejan Besenski , Joyoung Lee

Accurate roadway travel-time prediction is foundational to transportation systems analysis, yet widespread reliance on either data-intensive congestion models or overly na\"ive heuristics limits scalability and practical adoption in…

The proliferation of human-AI ecosystems involving human interaction with algorithms, such as assistants and recommenders, raises concerns about large-scale social behaviour. Despite evidence of such phenomena across several contexts, the…

Multiagent Systems · Computer Science 2024-07-30 Giuliano Cornacchia , Mirco Nanni , Dino Pedreschi , Luca Pappalardo

Ride-sharing on the daily home-work-home commute can help individuals save on gasoline and other car-related costs, while at the same time it can reduce traffic and pollution. This paper assesses the potential of ride-sharing for reducing…

Computers and Society · Computer Science 2014-03-24 Blerim Cici , Athina Markopoulou , Enrique Frías-Martínez , Nikolaos Laoutaris

This paper explores pedestrian trajectory prediction in urban traffic while focusing on both model accuracy and real-world applicability. While promising approaches exist, they often revolve around pedestrian datasets excluding…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Nico Uhlemann , Yipeng Zhou , Tobias Simeon Mohr , Markus Lienkamp

This paper introduces a state-machine model for a multi-modal, multi-robot environmental sensing algorithm tailored to dynamic real-world settings. The algorithm uniquely combines two exploration strategies for gas source localization and…

This paper offers openly available microscopic vehicle trajectory (MVT) datasets collected using unmanned aerial vehicles (UAVs) in heterogeneous, area-based urban traffic conditions. Traditional roadside video collection often fails in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Yawar Ali , K. Ramachandra Rao , Ashish Bhaskar , Niladri Chatterjee

In this paper, we combine the most complete record of daily mobility, based on large-scale mobile phone data, with detailed Geographic Information System (GIS) data, uncovering previously hidden patterns in urban road usage. We find that…

Physics and Society · Physics 2012-12-24 Pu Wang , Timothy Hunter , Alexandre M. Bayen , Katja Schechtner , Marta C. González