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Accurate taxi-demand prediction is essential for optimizing taxi operations and enhancing urban transportation services. However, using customers' data in these systems raises significant privacy and security concerns. Traditional federated…

机器学习 · 计算机科学 2024-08-12 Ren Ozeki , Haruki Yonekura , Hamada Rizk , Hirozumi Yamaguchi

Traffic flow prediction is a big challenge for transportation authorities as it helps plan and develop better infrastructure. State-of-the-art models often struggle to consider the data in the best way possible, as well as intrinsic…

机器学习 · 计算机科学 2024-10-04 Mayur Patil , Qadeer Ahmed , Shawn Midlam-Mohler

Most off-policy evaluation methods for contextual bandits have focused on the expected outcome of a policy, which is estimated via methods that at best provide only asymptotic guarantees. However, in many applications, the expectation may…

机器学习 · 统计学 2022-10-27 Muhammad Faaiz Taufiq , Jean-Francois Ton , Rob Cornish , Yee Whye Teh , Arnaud Doucet

Accurate long series forecasting of traffic information is critical for the development of intelligent traffic systems. We may benefit from the rapid growth of neural network analysis technology to better understand the underlying…

机器学习 · 计算机科学 2022-10-06 Ruikang Luo , Yaofeng Song , Liping Huang , Yicheng Zhang , Rong Su

In this paper, we propose an ETA model (Estimated Time of Arrival) that leverages an attention mechanism over historical road speed patterns. As autonomous driving and intelligent transportation systems become increasingly prevalent, the…

机器学习 · 计算机科学 2026-01-21 ByeoungDo Kim , JunYeop Na , Kyungwook Tak , JunTae Kim , DongHyeon Kim , Duckky Kim

Traffic prediction is a flourishing research field due to its importance in human mobility in the urban space. Despite this, existing studies only focus on short-term prediction of up to few hours in advance, with most being up to one hour…

机器学习 · 计算机科学 2023-03-06 David Alexander Tedjopurnomo , Farhana M. Choudhury , A. K. Qin

Continual Test-Time Adaptation (CTA) is a challenging task that aims to adapt a source pre-trained model to continually changing target domains. In the CTA setting, a model does not know when the target domain changes, thus facing a drastic…

机器学习 · 计算机科学 2024-03-05 Inseop Chung , Kyomin Hwang , Jayeon Yoo , Nojun Kwak

Motion prediction of surrounding vehicles is one of the most important tasks handled by a self-driving vehicle, and represents a critical step in the autonomous system necessary to ensure safety for all the involved traffic actors. Recently…

机器人学 · 计算机科学 2020-06-16 Sai Yalamanchi , Tzu-Kuo Huang , Galen Clark Haynes , Nemanja Djuric

Conformal prediction is a powerful post-hoc framework for uncertainty quantification that provides distribution-free coverage guarantees. However, these guarantees crucially rely on the assumption of exchangeability. This assumption is…

统计方法学 · 统计学 2025-11-18 M. Stocker , W. Małgorzewicz , M. Fontana , S. Ben Taieb

Transport policy assessment often involves causal questions, yet the causal inference capabilities of traditional travel behavioural models are at best limited. We present the deep CAusal infeRence mOdel for traveL behavIour aNAlysis…

机器学习 · 计算机科学 2024-05-06 Kimia Kamal , Bilal Farooq

Deep neural networks (DNNs) have emerged as a dominant approach for developing traffic forecasting models. These models are typically trained to minimize error on averaged test cases and produce a single-point prediction, such as a scalar…

机器学习 · 计算机科学 2023-03-17 Ying Wu , Yongchao Ye , Adnan Zeb , James J. Q. Yu , Zheng Wang

We consider the problem of trajectory planning in an environment comprised of a set of obstacles with uncertain locations. While previous approaches model the uncertainties with a prescribed Gaussian distribution, we consider the realistic…

系统与控制 · 计算机科学 2021-01-12 Vasileios Lefkopoulos , Maryam Kamgarpour

To safely and efficiently navigate in complex urban traffic, autonomous vehicles must make responsible predictions in relation to surrounding traffic-agents (vehicles, bicycles, pedestrians, etc.). A challenging and critical task is to…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Yuexin Ma , Xinge Zhu , Sibo Zhang , Ruigang Yang , Wenping Wang , Dinesh Manocha

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…

Traffic flow forecasting is a crucial task in transportation management and planning. The main challenges for traffic flow forecasting are that (1) as the length of prediction time increases, the accuracy of prediction will decrease; (2)…

人工智能 · 计算机科学 2024-05-13 Jianli Xiao , Baichao Long

Recently, the problem of traffic accident risk forecasting has been getting the attention of the intelligent transportation systems community due to its significant impact on traffic clearance. This problem is commonly tackled in the…

计算机视觉与模式识别 · 计算机科学 2022-09-23 Khaled Saleh , Artur Grigorev , Adriana-Simona Mihaita

Data-driven decision making frequently relies on predicting counterfactual outcomes. In practice, researchers commonly train counterfactual prediction models on a source dataset to inform decisions on a possibly separate target population.…

机器学习 · 统计学 2026-04-07 Keith Barnatchez , Kevin P. Josey , Rachel C. Nethery , Giovanni Parmigiani

This work focuses on classification over time series data. When a time series is generated by non-stationary phenomena, the pattern relating the series with the class to be predicted may evolve over time (concept drift). Consequently,…

机器学习 · 计算机科学 2020-04-02 Eric L. Manibardo , Ibai Laña , Jesus L. Lobo , Javier Del Ser

Spatial-temporal prediction is a fundamental problem for constructing smart city, which is useful for tasks such as traffic control, taxi dispatching, and environmental policy making. Due to data collection mechanism, it is common to see…

机器学习 · 计算机科学 2020-08-25 Huaxiu Yao , Yiding Liu , Ying Wei , Xianfeng Tang , Zhenhui Li

Conformal prediction provides a pivotal and flexible technique for uncertainty quantification by constructing prediction sets with a predefined coverage rate. Many online conformal prediction methods have been developed to address data…

机器学习 · 统计学 2026-02-25 Dongjian Hu , Junxi Wu , Shu-Tao Xia , Changliang Zou