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The plethora of Internet of Things (IoT) devices leads to explosive network traffic. The network traffic classification (NTC) is an essential tool to explore behaviours of network flows, and NTC is required for Internet service providers…

网络与互联网体系结构 · 计算机科学 2021-10-01 Yoga Suhas Kuruba Manjunath , Sihao Zhao , Xiao-Ping Zhang

Representing the trajectories of mobile objects is a hot topic from the widespread use of smartphones and other GPS devices. However, few works have focused on representing trips over public transportation networks (buses, subway, and…

数据结构与算法 · 计算机科学 2019-11-21 Nieves R. Brisaboa , Antonio Fariña , Daniil Galaktionov , Tirso V. Rodeiro , M. Andrea Rodríguez

In recent years, studying and predicting alternative mobility (e.g., sharing services) patterns in urban environments has become increasingly important as accurate and timely information on current and future vehicle flows can successfully…

机器学习 · 计算机科学 2021-08-19 Stefano Fiorini , Michele Ciavotta , Andrea Maurino

Accurate forecasting of bus ridership (passengers numbers) is crucial for efficient management and optimization of public transport systems. Traditional forecasting models often fail to capture the unique and localized dynamics of different…

机器学习 · 计算机科学 2026-05-04 Daniel Azenkot , Michael Fire , Eran Ben Elia

Network classification has a variety of applications, such as detecting communities within networks and finding similarities between those representing different aspects of the real world. However, most existing work in this area focus on…

社会与信息网络 · 计算机科学 2018-08-08 Kun Tu , Jian Li , Don Towsley , Dave Braines , Liam D. Turner

Recommendation models can effectively estimate underlying user interests and predict one's future behaviors by factorizing an observed user-item rating matrix into products of two sets of latent factors. However, the user-specific embedding…

信息检索 · 计算机科学 2022-03-08 Qitian Wu , Hengrui Zhang , Xiaofeng Gao , Junchi Yan , Hongyuan Zha

Federated recommendation applies federated learning techniques in recommendation systems to help protect user privacy by exchanging models instead of raw user data between user devices and the central server. Due to the heterogeneity in…

信息检索 · 计算机科学 2022-08-22 Sichun Luo , Yuanzhang Xiao , Linqi Song

Accurate short-term passenger flow prediction in urban rail transit stations has great benefits for reasonably allocating resources, easing congestion, and reducing operational risks. However, compared with data-rich stations, the passenger…

机器学习 · 计算机科学 2022-10-14 Kuo Han , Jinlei Zhang , Chunqi Zhu , Lixing Yang , Xiaoyu Huang , Songsong Li

Spatio-temporal prediction is a key type of tasks in urban computing, e.g., traffic flow and air quality. Adequate data is usually a prerequisite, especially when deep learning is adopted. However, the development levels of different cities…

人工智能 · 计算机科学 2018-05-22 Leye Wang , Xu Geng , Xiaojuan Ma , Feng Liu , Qiang Yang

Ubiquitous mobile devices are generating vast amounts of location-based service data that reveal how individuals navigate and utilize urban spaces in detail. In this study, we utilize these extensive, unlabeled sequences of user…

机器学习 · 计算机科学 2024-06-06 Xinhua Wu , Haoyu He , Yanchao Wang , Qi Wang

Traditional methods of collecting user feedback through transit surveys are often time-consuming, resource intensive, and costly. In this paper, we propose a novel NLP-based framework that harnesses the vast, abundant, and inexpensive data…

人工智能 · 计算机科学 2025-10-14 Adway Das , Abhishek Kumar Prajapati , Pengxiang Zhang , Mukund Srinath , Andisheh Ranjbari

Recently, matrix factorization-based recommendation methods have been criticized for the problem raised by the triangle inequality violation. Although several metric learning-based approaches have been proposed to overcome this issue,…

信息检索 · 计算机科学 2019-06-06 Chanyoung Park , Donghyun Kim , Xing Xie , Hwanjo Yu

Short-term forecasting of passenger flow is critical for transit management and crowd regulation. Spatial dependencies, temporal dependencies, inter-station correlations driven by other latent factors, and exogenous factors bring challenges…

机器学习 · 计算机科学 2022-05-23 Yuxin He , Lishuai Li , Xinting Zhu , Kwok Leung Tsui

Dealing with non-stationarity in environments (e.g., in the transition dynamics) and objectives (e.g., in the reward functions) is a challenging problem that is crucial in real-world applications of reinforcement learning (RL). While most…

机器学习 · 计算机科学 2022-10-19 Fan Feng , Biwei Huang , Kun Zhang , Sara Magliacane

Assigning passenger trips to specific network paths using automatic fare collection (AFC) data is a fundamental application in urban transit analysis. The task is a difficult inverse problem: the only available information consists of each…

应用统计 · 统计学 2025-07-31 Xiaoxu Chen , Alexandra M. Schmidt , Zhenliang Ma , Lijun Sun

Fare evasion is a problem for public transport companies, with LSTM models this issue can help companies get an analytical insight into where this issue occurs the most, to prevent capital loss. In addition to the financial burden this…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Johannes van der Vyver

Human mobility patterns refer to the regularities and trends in the way people move, travel, or navigate through different geographical locations over time. Detecting human mobility patterns is essential for a variety of applications,…

社会与信息网络 · 计算机科学 2023-05-23 Yisheng Alison Zheng , Abdallah Lakhdari , Amani Abusafia , Shing Tai Tony Lui , Athman Bouguettaya

Federated learning has received great attention for its capability to train a large-scale model in a decentralized manner without needing to access user data directly. It helps protect the users' private data from centralized collecting.…

机器学习 · 计算机科学 2023-02-07 Guodong Long , Ming Xie , Tao Shen , Tianyi Zhou , Xianzhi Wang , Jing Jiang , Chengqi Zhang

The increasing availability of temporal network data is calling for more research on extracting and characterizing mesoscopic structures in temporal networks and on relating such structure to specific functions or properties of the system.…

物理与社会 · 物理学 2014-02-04 Laetitia Gauvin , André Panisson , Ciro Cattuto

We study the problem of planning Pareto-optimal journeys in public transit networks. Most existing algorithms and speed-up techniques work by computing subjourneys to intermediary stops until the destination is reached. In contrast, the…

数据结构与算法 · 计算机科学 2016-09-16 Sascha Witt