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Predicting the next visited location of an individual is a key problem in human mobility analysis, as it is required for the personalization and optimization of sustainable transport options. Here, we propose a transformer decoder-based…

Machine Learning · Computer Science 2022-10-31 Ye Hong , Henry Martin , Martin Raubal

Collaborative filtering is a popular approach in recommender systems, whose objective is to provide personalized item suggestions to potential users based on their purchase or browsing history. However, personalized recommendations require…

Information Retrieval · Computer Science 2023-12-07 Osama Alshareet , A. Ben Hamza

The cold start problem is a challenging problem faced by most modern recommender systems. By leveraging knowledge from other domains, cross-domain recommendation can be an effective method to alleviate the cold start problem. However, the…

Information Retrieval · Computer Science 2025-02-25 Xin Yang , Xingrun Li , Heng Chang , Jinze Yang , Xihong Yang , Shengyu Tao , Ningkang Chang , Maiko Shigeno , Junfeng Wang , Dawei Yin , Erxue Min

Traffic flow prediction is an important part of smart transportation. The goal is to predict future traffic conditions based on historical data recorded by sensors and the traffic network. As the city continues to build, parts of the…

Machine Learning · Statistics 2022-12-27 Yanan Xiao , Minyu Liu , Zichen Zhang , Lu Jiang , Minghao Yin , Jianan Wang

The prediction of humans' short-term trajectories has advanced significantly with the use of powerful sequential modeling and rich environment feature extraction. However, long-term prediction is still a major challenge for the current…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Hung Tran , Vuong Le , Truyen Tran

While many production-ready and robust algorithms are available for the task of recommendation systems, many of these systems do not take the order of user's consumption into account. The order of consumption can be very useful and matters…

Information Retrieval · Computer Science 2022-05-03 Mehdi Soleiman Nejad , Meysam Varasteh , Hadi Moradi , Mohammad Amin Sadeghi

Which song will Smith listen to next? Which restaurant will Alice go to tomorrow? Which product will John click next? These applications have in common the prediction of user trajectories that are in a constant state of flux over a hidden…

Social and Information Networks · Computer Science 2016-02-22 Flavio Figueiredo , Bruno Ribeiro , Jussara Almeida , Christos Faloutsos

Traditional Point-of-Interest (POI) recommendation systems often lack transparency, interpretability, and scrutability due to their reliance on dense vector-based user embeddings. Furthermore, the cold-start problem -- where systems have…

Information Retrieval · Computer Science 2025-06-23 Wilson Wongso , Hao Xue , Flora D. Salim

Current study on next POI recommendation mainly explores user sequential transitions with the fine-grained individual-user POI check-in trajectories only, which suffers from the severe check-in data sparsity issue. In fact, coarse-grained…

Information Retrieval · Computer Science 2024-08-27 Zhu Sun , Yu Lei , Lu Zhang , Chen Li , Yew-Soon Ong , Jie Zhang

Forecasting pedestrians' future motions is essential for autonomous driving systems to safely navigate in urban areas. However, existing prediction algorithms often overly rely on past observed trajectories and tend to fail around abrupt…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Dongxu Guo , Taylor Mordan , Alexandre Alahi

Cold-start problem is a fundamental challenge for recommendation tasks. Despite the recent advances on Graph Neural Networks (GNNs) incorporate the high-order collaborative signal to alleviate the problem, the embeddings of the cold-start…

Information Retrieval · Computer Science 2020-12-15 Bowen Hao , Jing Zhang , Hongzhi Yin , Cuiping Li , Hong Chen

Session-based recommender systems have attracted much attention recently. To capture the sequential dependencies, existing methods resort either to data augmentation techniques or left-to-right style autoregressive training.Since these…

Information Retrieval · Computer Science 2020-01-28 Fajie Yuan , Xiangnan He , Haochuan Jiang , Guibing Guo , Jian Xiong , Zhezhao Xu , Yilin Xiong

The task of session-based recommendation is to predict user actions based on anonymous sessions. Recent research mainly models the target session as a sequence or a graph to capture item transitions within it, ignoring complex transitions…

Information Retrieval · Computer Science 2020-09-22 Yujia Zheng , Siyi Liu , Zekun Li , Shu Wu

Sequential fashion recommendation is of great significance in online fashion shopping, which accounts for an increasing portion of either fashion retailing or online e-commerce. The key to building an effective sequential fashion…

Information Retrieval · Computer Science 2021-06-01 Yujuan Ding , Yunshan Ma , Wai Keung Wong , Tat-Seng Chua

Nowadays, our mobility systems are evolving into the era of intelligent vehicles that aim to improve road safety. Due to their vulnerability, pedestrians are the users who will benefit the most from these developments. However, predicting…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Lina Achaji , Thierno Barry , Thibault Fouqueray , Julien Moreau , Francois Aioun , Francois Charpillet

The wide spread of location-based social networks brings about a huge volume of user check-in data, which facilitates the recommendation of points of interest (POIs). Recent advances on distributed representation shed light on learning low…

Information Retrieval · Computer Science 2017-05-01 Bei Liu , Tieyun Qian , Bing Liu , Liang Hong , Zhenni You , Yuxiang Li

Predicting the future trajectories of pedestrians on the road is an important task for autonomous driving. The pedestrian trajectory prediction is affected by scene paths, pedestrian's intentions and decision-making, which is a multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Amar Fadillah , Ching-Lin Lee , Zhi-Xuan Wang , Kuan-Ting Lai

Understanding the behavior of road users is of vital importance for the development of trajectory prediction systems. In this context, the latest advances have focused on recurrent structures, establishing the social interaction between the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 A. Quintanar , D. Fernández-Llorca , I. Parra , R. Izquierdo , M. A. Sotelo

In recent years, research has been done on applying Recurrent Neural Networks (RNNs) as recommender systems. Results have been promising, especially in the session-based setting where RNNs have been shown to outperform state-of-the-art…

Information Retrieval · Computer Science 2017-06-26 Massimiliano Ruocco , Ole Steinar Lillestøl Skrede , Helge Langseth

Understanding and predicting pedestrian crossing behavioral intention is crucial for the driving safety of autonomous vehicles. Nonetheless, challenges emerge when using promising images or environmental context masks to extract various…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Chen Xie , Ciyun Lin , Xiaoyu Zheng , Bowen Gong , Antonio M. López