中文
相关论文

相关论文: A Comprehensive Framework for Dynamic Bike Rebalan…

200 篇论文

As an important part of intelligent transportation systems, traffic forecasting has attracted tremendous attention from academia and industry. Despite a lot of methods being proposed for traffic forecasting, it is still difficult to model…

机器学习 · 计算机科学 2022-10-07 Le Zhao , Mingcai Chen , Yuntao Du , Haiyang Yang , Chongjun Wang

Modelling dynamic traffic patterns and especially the continuously changing dependencies between different base stations, which previous studies overlook, is challenging. Traditional algorithms struggle to process large volumes of data and…

机器学习 · 计算机科学 2024-10-29 Yini Fang

Ride-hailing service is becoming a leading part in urban transportation. To improve the efficiency of ride-hailing service, accurate prediction of transportation demand is a fundamental challenge. In this paper, we tackle this problem from…

机器学习 · 计算机科学 2022-04-11 Dong Xing , Chenguang Zhao , Gang Wang

This paper introduces a novel approach to optimizing portfolio rebalancing by integrating Graph Neural Networks (GNNs) for predicting transaction costs and Dijkstra's algorithm for identifying cost-efficient rebalancing paths. Using…

投资组合管理 · 定量金融 2024-10-04 Diego Vallarino

The growing popularity of bike-sharing systems around the world has motivated recent attention to models and algorithms for their effective operation. Most of this literature focuses on their daily operation for managing asymmetric demand.…

最优化与控制 · 数学 2022-03-15 Daniel Freund , Shane G. Henderson , David B. Shmoys

The problem of designing a rebalancing algorithm for a large-scale ridehailing system with asymmetric demand is considered here. We pose the rebalancing problem within a semi Markov decision problem (SMDP) framework with closed queues of…

系统与控制 · 电气工程与系统科学 2020-07-15 Yuntian Deng , Hao Chen , Shiping Shao , Jiacheng Tang , Jianzong Pi , Abhishek Gupta

Traditional methods for demand forecasting only focus on modeling the temporal dependency. However, forecasting on spatio-temporal data requires modeling of complex nonlinear relational and spatial dependencies. In addition, dynamic…

机器学习 · 计算机科学 2020-09-29 Hongjie Chen , Ryan A. Rossi , Kanak Mahadik , Hoda Eldardiry

Thanks to the diffusion of the Internet of Things, nowadays it is possible to sense human mobility almost in real time using unconventional methods (e.g., number of bikes in a bike station). Due to the diffusion of such technologies, the…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Marco Cardia , Massimiliano Luca , Luca Pappalardo

Traffic flow forecasting is of great significance for improving the efficiency of transportation systems and preventing emergencies. Due to the highly non-linearity and intricate evolutionary patterns of short-term and long-term traffic…

机器学习 · 计算机科学 2020-12-01 Xu Chen , Yuanxing Zhang , Lun Du , Zheng Fang , Yi Ren , Kaigui Bian , Kunqing Xie

As a favorite urban public transport mode, the bike sharing system is a large-scale and complicated system, and there exists a key requirement that a user and a bike should be matched sufficiently in time. Such matched behavior makes…

概率论 · 数学 2017-07-25 Quan-Lin Li , Rui-Na Fan , Zhi-Yong Qian

Effective congestion management along signalized corridors is essential for improving productivity and reducing costs, with arterial travel time serving as a key performance metric. Traditional approaches, such as Coordinated Signal Timing…

机器学习 · 计算机科学 2024-12-17 Nooshin Yousefzadeh , Rahul Sengupta , Sanjay Ranka

We study an urban bike lane planning problem based on the fine-grained bike trajectory data, which is made available by smart city infrastructure such as bike-sharing systems. The key decision is where to build bike lanes in the existing…

人工智能 · 计算机科学 2020-08-25 Sheng Liu , Zuo-Jun Max Shen , Xiang Ji

Most traffic state forecast algorithms when applied to urban road networks consider only the links in close proximity to the target location. However, for longer-term forecasts also the traffic state of more distant links or regions of the…

物理与社会 · 物理学 2020-09-18 Felix Rempe , Klaus Bogenberger

To collectively forecast the demand for ride-sourcing services in all regions of a city, the deep learning approaches have been applied with commendable results. However, the local statistical differences throughout the geographical layout…

机器学习 · 计算机科学 2020-04-27 Feng Xiao , Dapeng Zhang , Gang Kou , Lu Li

The aim of this work is to develop a fully-distributed algorithmic framework for training graph convolutional networks (GCNs). The proposed method is able to exploit the meaningful relational structure of the input data, which are collected…

机器学习 · 计算机科学 2022-12-21 Simone Scardapane , Indro Spinelli , Paolo Di Lorenzo

We present a novel local improvement scheme for the perfectly balanced graph partitioning problem. This scheme encodes local searches that are not restricted to a balance constraint into a model allowing us to find combinations of these…

数据结构与算法 · 计算机科学 2012-10-02 Peter Sanders , Christian Schulz

This paper considers the dispatching of large-scale real-time ride-sharing systems to address congestion issues faced by many cities. The goal is to serve all customers (service guarantees) with a small number of vehicles while minimizing…

最优化与控制 · 数学 2020-03-25 Connor Riley , Pascal Van Hentenryck , Enpeng Yuan

In recent years, DL has developed rapidly, and personalized services are exploring using DL algorithms to improve the performance of the recommendation system. For personalized services, a successful recommendation consists of two parts:…

信息检索 · 计算机科学 2023-10-19 Jie Zhou , Qian Yu

Accurate link-level bicycling volume estimation is essential for sustainable urban transportation planning. However, many cities face significant challenges of high data sparsity due to limited bicycling count sensor coverage. To address…

机器学习 · 计算机科学 2025-08-04 Mohit Gupta , Debjit Bhowmick , Rhys Newbury , Meead Saberi , Shirui Pan , Ben Beck

Graph clustering is essential in graph analysis for revealing structural patterns and node communities. Despite recent advances in self-supervised contrastive learning that have improved clustering via structural and attribute signals,…

机器学习 · 计算机科学 2026-05-28 Lei Zhang , Fubo Sun , Haipeng Yang , Zhong Guan , Likang Wu