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Location-Based Social Networks (LBSNs) provide a rich foundation for modeling urban behavior through iNETs (Interest Networks), which capture how user interests are distributed throughout urban spaces. This study compares iNETs across…

Social and Information Networks · Computer Science 2025-07-08 Gustavo H. Santos , Myriam Delgado , Thiago H. Silva

Predicting the next pickup location of individual users is a fundamental problem in intelligent mobility systems, which requires modeling personalized travel behaviors under complex spatiotemporal contexts. Existing methods mainly learn…

Information Retrieval · Computer Science 2026-01-22 Lingyu Zhang , Pengfei Xu , Rui Ban , Zhenchao Zhang , Songtao Liu , Yan Wang , Yunhai Wang

This paper presents an end-to-end approach for tracking static and dynamic objects for an autonomous vehicle driving through crowded urban environments. Unlike traditional approaches to tracking, this method is learned end-to-end, and is…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Julie Dequaire , Dushyant Rao , Peter Ondruska , Dominic Wang , Ingmar Posner

Understanding how urban residents travel between neighborhoods and destinations is critical for transportation planning, mobility management, and public health. By mining historical origin-to-destination flow patterns with spatial,…

Computational Engineering, Finance, and Science · Computer Science 2025-10-06 Lin Pang , Jidong J. Yang

With the widespread use of mobile phones, users can share their location anytime, anywhere, as a form of check-in data. These data reflect user preferences. Furthermore, the preference rules for different users vary. How to discover a…

Human-Computer Interaction · Computer Science 2021-07-06 Yuanbang Li

Recent years have witnessed the increasing popularity of Location-based Social Network (LBSN) services, which provides unparalleled opportunities to build personalized Point-of-Interest (POI) recommender systems. Existing POI recommendation…

Machine Learning · Computer Science 2022-01-04 Dongbo Xi , Fuzhen Zhuang , Yanchi Liu , Hengshu Zhu , Pengpeng Zhao , Chang Tan , Qing He

A deep learning model is applied for predicting block-level parking occupancy in real time. The model leverages Graph-Convolutional Neural Networks (GCNN) to extract the spatial relations of traffic flow in large-scale networks, and…

Machine Learning · Computer Science 2019-05-14 Shuguan Yang , Wei Ma , Xidong Pi , Sean Qian

Understanding the spatial networks formed by the trajectories of mobile users can be beneficial to applications ranging from epidemiology to local search. Despite the potential for impact in a number of fields, several aspects of human…

Social and Information Networks · Computer Science 2015-03-18 Anastasios Noulas , Blake Shaw , Renaud Lambiotte , Cecilia Mascolo

This paper reports on a data-driven, interaction-aware motion prediction approach for pedestrians in environments cluttered with static obstacles. When navigating in such workspaces shared with humans, robots need accurate motion…

Robotics · Computer Science 2018-02-27 Mark Pfeiffer , Giuseppe Paolo , Hannes Sommer , Juan Nieto , Roland Siegwart , Cesar Cadena

Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jiahao Lin , Gim Hee Lee

Humans are able to perform fast and accurate object pose estimation even under severe occlusion by exploiting learned object model priors from everyday life. However, most recently proposed pose estimation algorithms neglect to utilize the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Peiyu Yu , Yongming Rao , Jiwen Lu , Jie Zhou

Online to offline recommendation strongly correlates with the user and service's spatiotemporal information, therefore calling for a higher degree of model personalization. The traditional methodology is based on a uniform model structure…

Information Retrieval · Computer Science 2023-12-29 Luo Ji , Jiayu Mao , Hailong Shi , Qian Li , Yunfei Chu , Hongxia Yang

Recommender systems objectives can be broadly characterized as modeling user preferences over short-or long-term time horizon. A large body of previous research studied long-term recommendation through dimensionality reduction techniques…

Information Retrieval · Computer Science 2018-07-25 Kiewan Villatel , Elena Smirnova , Jérémie Mary , Philippe Preux

Full-immersive multiuser Virtual Reality (VR) envisions supporting unconstrained mobility of the users in the virtual worlds, while at the same time constraining their physical movements inside VR setups through redirected walking. For…

Networking and Internet Architecture · Computer Science 2022-07-18 Filip Lemic , Jakob Struye , Jeroen Famaey

Next Point-of-Interest (POI) recommendation is a longstanding problem across the domains of Location-Based Social Networks (LBSN) and transportation. Recent Recurrent Neural Network (RNN) based approaches learn POI-POI relationships in a…

Information Retrieval · Computer Science 2020-10-15 Nicholas Lim , Bryan Hooi , See-Kiong Ng , Xueou Wang , Yong Liang Goh , Renrong Weng , Jagannadan Varadarajan

Analyzing and forecasting trajectories of agents like pedestrians plays a pivotal role for embodied intelligent applications. The inherent indeterminacy of human behavior and complex social interaction among a rich variety of agents make…

Robotics · Computer Science 2024-10-28 Huajian Liu , Wei Dong , Kunpeng Fan , Chao Wang , Yongzhuo Gao

Session-based recommendation (SBR) is a challenging task, which aims to predict users' future interests based on anonymous behavior sequences. Existing methods leverage powerful representation learning approaches to encode sessions into a…

Information Retrieval · Computer Science 2021-06-02 Ziyang Wang , Wei Wei , Xian-Ling Mao , Xiao-Li Li , Shanshan Feng

In this paper, we study how to model taxi drivers' behaviour and geographical information for an interesting and challenging task: the next destination prediction in a taxi journey. Predicting the next location is a well studied problem in…

Artificial Intelligence · Computer Science 2019-01-09 Alberto Rossi , Gianni Barlacchi , Monica Bianchini , Bruno Lepri

Human mobility data are fused with multiple travel patterns and hidden spatiotemporal patterns are extracted by integrating user, location, and time information to improve next location prediction accuracy. In existing next location…

Machine Learning · Computer Science 2025-03-25 Xiaojie Yang , Zipei Fan , Hangli Ge , Takashi Michikata , Ryosuke Shibasaki , Noboru Koshizuka

Recent advancements in motion planning for Autonomous Vehicles (AVs) show great promise in using expert driver behaviors in non-stationary driving environments. However, learning only through expert drivers needs more generalizability to…

Artificial Intelligence · Computer Science 2023-12-12 Jayabrata Chowdhury , Venkataramanan Shivaraman , Suresh Sundaram , P B Sujit