Výsledky vyhľadávania - "Xianyuan Zhan"

Citywide Traffic Volume Estimation Using Trajectory Data Autor Xianyuan Zhan, Yu Zheng, Xiuwen Yi, Ukkusuri, Satish V.

“…Traffic volume estimation at the city scale is an important problem useful to many transportation operations and urban applications. This paper proposes a…”
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A Graph-Based Approach to Measuring the Efficiency of an Urban Taxi Service System Autor Xianyuan Zhan, Xinwu Qian, Ukkusuri, Satish V.

“…Taxi service systems in big cities are immensely complex due to the interaction and self-organization between taxi drivers and passengers. An inefficient taxi…”
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Urban link travel time estimation using large-scale taxi data with partial information Autor Zhan, Xianyuan, Hasan, Samiul, Ukkusuri, Satish V., Kamga, Camille

“…•Uses large scale GPS traces of taxi cabs in New York City.•A model for estimating link travel times is developed using large scale data.•Developed insights…”
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A Century of Topological Coevolution of Complex Infrastructure Networks in an Alpine City Autor Rao, P. Suresh C., Zhan, Xianyuan, Klinkhamer, Christopher, Zischg, Jonatan, Sitzenfrei, Robert

“…In this paper, we used complex network analysis approaches to investigate topological coevolution over a century for three different urban infrastructure…”
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Fusing Mobile Phone and Travel Survey Data to Model Urban Activity Dynamics Autor Ukkusuri, Satish V., Zhan, Xianyuan, Zhang, Yuliang, Yang, Chao, Chen, Yifan

“…A key issue to understand urban system is to characterize the activity dynamics in a city—when, where, what, and how activities happen in a city. To better…”
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Dynamics of functional failures and recovery in complex road networks Autor Zhan, Xianyuan, Ukkusuri, Satish V, Rao, P Suresh C

“…We propose a new framework for modeling the evolution of functional failures and recoveries in complex networks, with traffic congestion on road networks as…”
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CSCAD: Correlation Structure-Based Collective Anomaly Detection in Complex System Autor Qin, Huiling, Zhan, Xianyuan, Zheng, Yu

“…Detecting anomalies in large complex systems is a critical and challenging task. The difficulties arise from several aspects. First, collecting ground truth…”
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Link-based traffic state estimation and prediction for arterial networks using license-plate recognition data Autor Zhan, Xianyuan, Li, Ruimin, Ukkusuri, Satish V.

“…•Urban network-level traffic states inference model using partially available data.•Complete solution for link queue lengths and travel times inference using…”
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Lane-based real-time queue length estimation using license plate recognition data Autor Zhan, Xianyuan, Li, Ruimin, Ukkusuri, Satish V.

“…•Utilizing license plate recognition (LPR) data for arterial queue length estimation.•Hybrid framework combines both machine learning techniques and traffic…”
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A Bayesian mixture model for short-term average link travel time estimation using large-scale limited information trip-based data Autor Zhan, Xianyuan, Ukkusuri, Satish V., Yang, Chao

“…Accurate estimation and prediction of urban link travel times are important for urban traffic operations and management. This paper develops a Bayesian mixture…”
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Inferring Urban Land Use Using Large-Scale Social Media Check-in Data Autor Zhan, Xianyuan, Ukkusuri, Satish V., Zhu, Feng

“…Emerging location-based services in social media tools such as Foursquare and Twitter are providing an unprecedented amount of public-generated data on human…”
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ECoalVis: Visual Analysis of Control Strategies in Coal-fired Power Plants Autor Liu, Shuhan, Weng, Di, Tian, Yuan, Deng, Zikun, Xu, Haoran, Zhu, Xiangyu, Yin, Honglei, Zhan, Xianyuan, Wu, Yingcai

“…Improving the efficiency of coal-fired power plants has numerous benefits. The control strategy is one of the major factors affecting such efficiency. However,…”
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Speed profile estimation using license plate recognition data Autor Mo, Baichuan, Li, Ruimin, Zhan, Xianyuan

“…•A systematic LPR data-mending method is proposed.•Propose a modified car-following model corresponding to LPR data characteristics.•The speed profile of…”
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A Fully Data-Driven Approach for Realistic Traffic Signal Control Using Offline Reinforcement Learning Autor Li, Jianxiong, Lin, Shichao, Shi, Tianyu, Tian, Chujie, Mei, Yu, Song, Jian, Zhan, Xianyuan, Li, Ruimin

“…The optimization of traffic signal control (TSC) is critical for an efficient transportation system. In recent years, reinforcement learning (RL) techniques…”
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Understanding Social Influence in Activity Location Choice and Lifestyle Patterns Using Geolocation Data from Social Media Autor Hasan, Samiul, Ukkusuri, Satish V., Zhan, Xianyuan

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Curriculum Goal-Conditioned Imitation for Offline Reinforcement Learning Autor Feng, Xiaoyun, Jiang, Li, Yu, Xudong, Xu, Haoran, Sun, Xiaoyan, Wang, Jie, Zhan, Xianyuan, Chan, Wai Kin

“…Offline reinforcement learning (RL) enables learning policies from precollected datasets without online data collection. Although it offers the possibility to…”
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A-RESCUE: An Agent based Regional Evacuation Simulator Coupled with User Enriched Behavior Autor Ukkusuri, Satish V., Hasan, Samiul, Luong, Binh, Doan, Kien, Zhan, Xianyuan, Murray-Tuite, Pamela, Yin, Weihao

“…Household behavior and dynamic traffic flows are the two most important aspects of hurricane evacuations. However, current evacuation models largely overlook…”
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Multiclass, simultaneous route and departure time choice dynamic traffic assignment with an embedded spatial queuing model Autor Zhan, Xianyuan, Ukkusuri, Satish V.

“…This paper develops a complementarity formulation for a multi-user class, simultaneous route and departure time choice dynamic user equilibrium (DUE) model. A…”
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Universal Actions for Enhanced Embodied Foundation Models Autor Zheng, Jinliang, Li, Jianxiong, Liu, Dongxiu, Zheng, Yinan, Wang, Zhihao, Ou, Zhonghong, Liu, Yu, Liu, Jingjing, Zhang, Ya-Qin, Zhan, Xianyuan

“…Training on diverse, internet-scale data is a key factor in the success of recent large foundation models. Yet, using the same recipe for building embodied…”
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Simulation of hard shoulder running combined with queue warning during traffic accident with CTM model Autor Li, Ruimin, Ye, Zhen, Li, Bin, Zhan, Xianyuan

“…Hard shoulder running (HSR) and queue warning are two active traffic management (ATM) strategies and are commonly used to alleviate highway traffic congestion…”
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