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Knowledge Graphs (KGs) have been utilized as useful side information to improve recommendation quality. In those recommender systems, knowledge graph information often contains fruitful facts and inherent semantic relatedness among items.…

Information Retrieval · Computer Science 2022-08-19 Yuhao Yang , Chao Huang , Lianghao Xia , Chenliang Li

One of the elements that have popularized and facilitated the use of geographical information on a variety of computational applications has been the use of Web maps; this has opened new research challenges on different subjects, from…

Computers and Society · Computer Science 2009-11-05 Rafael Ponce-Medellin , Gabriel Gonzalez-Serna , Rocio Vargas , Lirio Ruiz

To provide real-time parking information, existing studies focus on predicting parking availability, which seems an indirect approach to saving drivers' cruising time. In this paper, we first time propose an on-street parking recommendation…

Machine Learning · Computer Science 2023-12-01 Hanyu Sun , Xiao Huang , Wei Ma

Next Point-of-Interest (POI) recommendation is a critical task in location-based services, aiming to predict users' next visits based on their check-in histories. While many existing methods leverage Graph Neural Networks (GNNs) to…

Information Retrieval · Computer Science 2025-06-13 Yu Lei , Limin Shen , Zhu Sun , Tiantian He , Yew-Soon Ong

Crowd counting and localization have become increasingly important in computer vision due to their wide-ranging applications. While point-based strategies have been widely used in crowd counting methods, they face a significant challenge,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 I-Hsiang Chen , Wei-Ting Chen , Yu-Wei Liu , Ming-Hsuan Yang , Sy-Yen Kuo

Properly handling missing data is a fundamental challenge in recommendation. Most present works perform negative sampling from unobserved data to supply the training of recommender models with negative signals. Nevertheless, existing…

Information Retrieval · Computer Science 2020-03-13 Xiang Wang , Yaokun Xu , Xiangnan He , Yixin Cao , Meng Wang , Tat-Seng Chua

Pedestrian attribute recognition has attracted many attentions due to its wide applications in scene understanding and person analysis from surveillance videos. Existing methods try to use additional pose, part or viewpoint information to…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Pengze Liu , Xihui Liu , Junjie Yan , Jing Shao

In the last years, deep learning has shown to be a game-changing technology in artificial intelligence thanks to the numerous successes it reached in diverse application fields. Among others, the use of deep learning for the recommendation…

Information Retrieval · Computer Science 2018-07-16 Vito Bellini , Angelo Schiavone , Tommaso Di Noia , Azzurra Ragone , Eugenio Di Sciascio

Knowledge graph (KG) enhanced recommendation has demonstrated improved performance in the recommendation system (RecSys) and attracted considerable research interest. Recently the literature has adopted neural graph networks (GNNs) on the…

Information Retrieval · Computer Science 2022-11-15 Liangwei Yang , Shen Wang , Jibing Gong , Shaojie Zheng , Shuying Du , Zhiwei Liu , Philip S. Yu

Knowledge graphs (KGs) have proven to be effective for high-quality recommendation, where the connectivities between users and items provide rich and complementary information to user-item interactions. Most existing methods, however, are…

Information Retrieval · Computer Science 2021-09-16 Xiao Sha , Zhu Sun , Jie Zhang

Learning Path Recommendation (LPR) is critical for personalized education, yet current methods often fail to account for historical interaction uncertainty (e.g., lucky guesses or accidental slips) and lack adaptability to diverse learning…

Information Retrieval · Computer Science 2026-04-17 Xiangrui Xiong , Hang Liang , Baiyang Chen , Zifei Pan , Yanli Lee

Point-of-interest (POI) recommendations are essential for travelers and the e-tourism business. They assist in decision-making regarding what venues to visit and where to dine and stay. While it is known that traditional recommendation…

Information Retrieval · Computer Science 2025-01-07 Linus W. Dietz , Pablo Sánchez , Alejandro Bellogín

Representing information of multiple behaviors in the single graph collaborative filtering (CF) vector has been a long-standing challenge. This is because different behaviors naturally form separate behavior graphs and learn separate CF…

Information Retrieval · Computer Science 2024-06-21 Yijie Zhang , Yuanchen Bei , Hao Chen , Qijie Shen , Zheng Yuan , Huan Gong , Senzhang Wang , Feiran Huang , Xiao Huang

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

Knowledge graphs (KGs) have been increasingly employed for link prediction and recommendation using real-world datasets. However, the majority of current methods rely on static data, neglecting the dynamic nature and the hidden…

Artificial Intelligence · Computer Science 2024-02-20 Ruiyi Yang , Flora D. Salim , Hao Xue

Tourism is an important application domain for recommender systems. In this domain, recommender systems are for example tasked with providing personalized recommendations for transportation, accommodation, points-of-interest (POIs), etc.…

Information Retrieval · Computer Science 2024-12-06 Zehui Wang , Wolfram Höpken , Dietmar Jannach

Robotic navigation in environments shared with other robots or humans remains challenging because the intentions of the surrounding agents are not directly observable and the environment conditions are continuously changing. Local…

Robotics · Computer Science 2021-03-01 Bruno Brito , Michael Everett , Jonathan P. How , Javier Alonso-Mora

The advent of autonomous agents is transforming interactions with Graphical User Interfaces (GUIs) by employing natural language as a powerful intermediary. Despite the predominance of Supervised Fine-Tuning (SFT) methods in current GUI…

Machine Learning · Computer Science 2026-04-22 Jiaqi Tang , Yu Xia , Yi-Feng Wu , Yuwei Hu , Yuhui Chen , Qing-Guo Chen , Xiaogang Xu , Xiangyu Wu , Hao Lu , Yanqing Ma , Shiyin Lu , Qifeng Chen

Data sparsity, that is a common problem in neighbor-based collaborative filtering domain, usually complicates the process of item recommendation. This problem is more serious in collaborative ranking domain, in which calculating the users…

Social and Information Networks · Computer Science 2017-02-01 Bita Shams , Saman Haratizadeh

Modeling users for the purpose of identifying their preferences and then personalizing services on the basis of these models is a complex task, primarily due to the need to take into consideration various explicit and implicit signals,…

Information Retrieval · Computer Science 2017-07-06 Amit Tiroshi , Tsvi Kuflik , Shlomo Berkovsky , Mohamed Ali Kaafar