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Next point-of-interest (POI) recommendation aims to predict a user's next destination based on sequential check-in history and a set of POI candidates. Graph neural networks (GNNs) have demonstrated a remarkable capability in this endeavor…

Machine Learning · Computer Science 2024-11-05 Liang Wang , Shu Wu , Qiang Liu , Yanqiao Zhu , Xiang Tao , Mengdi Zhang , Liang Wang

With the wide adoption of mobile devices and web applications, location-based social networks (LBSNs) offer large-scale individual-level location-related activities and experiences. Next point-of-interest (POI) recommendation is one of the…

Information Retrieval · Computer Science 2022-04-27 Zheng Huang , Jing Ma , Yushun Dong , Natasha Zhang Foutz , Jundong Li

The cold start problem in recommender systems remains a critical challenge. Current solutions often train hybrid models on auxiliary data for both cold and warm users/items, potentially degrading the experience for the latter. This drawback…

Information Retrieval · Computer Science 2024-10-21 Hao Chen , Yu Yang , Yuanchen Bei , Zefan Wang , Yue Xu , Feiran Huang

Human mobility prediction forecasts a user's next Point of Interest (POI) from historical trajectories, supporting applications from recommendation to urban planning. Recent studies have recognized the problem with long-tail POIs in human…

Information Retrieval · Computer Science 2026-05-08 Dingyang Lyu , Zhengjia Xu , Jey Han Lau , Jianzhong Qi

Pedestrian trajectory prediction is an essential and challenging task for a variety of real-life applications such as autonomous driving and robotic motion planning. Besides generating a single future path, predicting multiple plausible…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Lihuan Li , Maurice Pagnucco , Yang Song

Forecasting the trajectory of pedestrians in shared urban traffic environments is still considered one of the challenging problems facing the development of autonomous vehicles (AVs). In the literature, this problem is often tackled using…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Khaled Saleh

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

Recommending points of interest (POIs) is a challenging task that requires extracting comprehensive location data from location-based social media platforms. To provide effective location-based recommendations, it's important to analyze…

Information Retrieval · Computer Science 2023-05-17 Syed Raza Bashir , Shaina Raza , Vojislav Misic

In session-based recommender systems, predictions are based on the user's preceding behavior in the session. State-of-the-art sequential recommendation algorithms either use graph neural networks to model sessions in a graph or leverage the…

Information Retrieval · Computer Science 2025-03-13 Andreas Peintner , Marta Moscati , Emilia Parada-Cabaleiro , Markus Schedl , Eva Zangerle

Transformer architectures, capable of capturing sequential dependencies in the history of user interactions, have become the dominant approach in sequential recommender systems. Despite their success, such models consider sequence elements…

Information Retrieval · Computer Science 2026-03-02 Artur Gimranov , Viacheslav Yusupov , Elfat Sabitov , Tatyana Matveeva , Anton Lysenko , Ruslan Israfilov , Evgeny Frolov

Accurately attributing user visits to specific Points of Interest (POIs) is a foundational task for mobility analytics, personalized services, marketing and urban planning. However, POI attribution remains challenging due to GPS…

Machine Learning · Computer Science 2025-07-15 Nripsuta Ani Saxena , Shang-Ling Hsu , Mehul Shetty , Omar Alkhadra , Cyrus Shahabi , Abigail L. Horn

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

Building upon the strong sequence modeling capability, Generative Recommendation (GR) has gradually assumed a dominant position in the application of recommendation tasks (e.g., video and product recommendation). However, the application of…

Information Retrieval · Computer Science 2025-08-25 Haitao Lin , Zhen Yang , Jiawei Xue , Ziji Zhang , Luzhu Wang , Yikun Gu , Yao Xu , Xin Li

The rapid growth of users' involvement in Location-Based Social Networks (LBSNs) has led to the expeditious growth of the data on a global scale. The need of accessing and retrieving relevant information close to users' preferences is an…

Information Retrieval · Computer Science 2019-02-05 Giannis Christoforidis , Pavlos Kefalas , Apostolos N. Papadopoulos , Yannis Manolopoulos

POI recommendation is practically important to facilitate various Location-Based Social Network services, and has attracted rising research attention recently. Existing works generally assume the available POI check-ins reported by users…

Information Retrieval · Computer Science 2023-11-02 Jiangnan Xia , Yu Yang , Senzhang Wang , Hongzhi Yin , Jiannong Cao , Philip S. Yu

Human mobility prediction is a core functionality in many location-based services and applications. However, due to the sparsity of mobility data, it is not an easy task to predict future POIs (place-of-interests) that are going to be…

Machine Learning · Computer Science 2021-10-05 Hao Xue , Flora D. Salim , Yongli Ren , Nuria Oliver

Recurrent Neural Network, Long Short-Term Memory, and Transformer have made great progress in predicting the trajectories of moving objects. Although the trajectory element with the surrounding scene features has been merged to improve…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Wendong Zhang , Qingjie Chai , Quanqi Zhang , Chengwei Wu

Cold start is an essential and persistent problem in recommender systems. State-of-the-art solutions rely on training hybrid models for both cold-start and existing users/items, based on the auxiliary information. Such a hybrid model would…

Information Retrieval · Computer Science 2022-09-27 Hao Chen , Zefan Wang , Yue Xu , Xiao Huang , Feiran Huang

Collaborative recommendation fundamentally involves learning high-quality user and item representations from interaction data. Recently, graph convolution networks (GCNs) have advanced the field by utilizing high-order connectivity patterns…

Information Retrieval · Computer Science 2024-12-30 Jiajia Chen , Jiancan Wu , Jiawei Chen , Chongming Gao , Yong Li , Xiang Wang

Sequential recommendation requires the recommender to capture the evolving behavior characteristics from logged user behavior data for accurate recommendations. However, user behavior sequences are viewed as a script with multiple ongoing…

Information Retrieval · Computer Science 2022-06-15 Zhiyu Yao , Xinyang Chen , Sinan Wang , Qinyan Dai , Yumeng Li , Tanchao Zhu , Mingsheng Long