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Related papers: Redefining POI Popularity: Integrating User Prefer…

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Popularity bias is a well-known phenomenon in recommender systems: popular items are recommended even more frequently than their popularity would warrant, amplifying long-tail effects already present in many recommendation domains. Prior…

Information Retrieval · Computer Science 2020-07-27 Himan Abdollahpouri , Masoud Mansoury , Robin Burke , Bamshad Mobasher

Recommender system usually faces popularity bias issues: from the data perspective, items exhibit uneven (long-tail) distribution on the interaction frequency; from the method perspective, collaborative filtering methods are prone to…

Information Retrieval · Computer Science 2021-05-14 Yang Zhang , Fuli Feng , Xiangnan He , Tianxin Wei , Chonggang Song , Guohui Ling , Yongdong Zhang

Next point of interest (POI) recommendation primarily predicts future activities based on users' past check-in data and current status, providing significant value to users and service providers. We observed that the popular check-in times…

Information Retrieval · Computer Science 2025-07-22 Pei-Xuan Li , Wei-Yun Liang , Fandel Lin , Hsun-Ping Hsieh

Recommendation and ranking systems are known to suffer from popularity bias; the tendency of the algorithm to favor a few popular items while under-representing the majority of other items. Prior research has examined various approaches for…

Information Retrieval · Computer Science 2021-03-12 Himan Abdollahpouri , Masoud Mansoury , Robin Burke , Bamshad Mobasher , Edward Malthouse

Recommender systems have become an integral part of our daily online experience by analyzing past user behavior to suggest relevant content in entertainment domains such as music, movies, and books. Today, they are among the most widely…

Information Retrieval · Computer Science 2025-05-14 Dominik Kowald

Entity aspect recommendation is an emerging task in semantic search that helps users discover serendipitous and prominent information with respect to an entity, of which salience (e.g., popularity) is the most important factor in previous…

Information Retrieval · Computer Science 2024-04-10 Tu Nguyen , Nattiya Kanhabua , Wolfgang Nejdl

When suggesting Points of Interest (PoIs) to people with autism spectrum disorders, we must take into account that they have idiosyncratic sensory aversions to noise, brightness and other features that influence the way they perceive…

Information Retrieval · Computer Science 2022-04-22 Noemi Mauro , Liliana Ardissono , Stefano Cocomazzi , Federica Cena

Traditionally, especially in academic research in recommender systems, the focus has been solely on the satisfaction of the end-user. While user satisfaction has, indeed, been associated with the success of the business, it is not the only…

Information Retrieval · Computer Science 2020-08-20 Himan Abdollahpouri

Point-of-Interest recommendation is an increasing research and developing area within the widely adopted technologies known as Recommender Systems. Among them, those that exploit information coming from Location-Based Social Networks…

Information Retrieval · Computer Science 2022-01-28 Pablo Sánchez , Alejandro Bellogín

Recently, the online car-hailing service, Didi, has emerged as a leader in the sharing economy. Used by passengers and drivers extensive, it becomes increasingly important for the car-hailing service providers to minimize the waiting time…

Computers and Society · Computer Science 2018-04-13 Yonghong Tian , Zeyu Li , Zhiwei Xu , Xuying Meng , Bing Zheng

Recommendation has become a prominent area of research in the field of Information Retrieval (IR). Evaluation is also a traditional research topic in this community. Motivated by a few counter-intuitive observations reported in recent…

Information Retrieval · Computer Science 2023-08-22 Aixin Sun

Point-of-interest (POI) recommendation is an important application in location-based social networks (LBSNs), which learns the user preference and mobility pattern from check-in sequences to recommend POIs. However, previous POI…

Information Retrieval · Computer Science 2016-06-21 Shenglin Zhao , Tong Zhao , Irwin King , Michael R. Lyu

Current approaches for points-of-interest (POI) recommendation learn the preferences of a user via the standard spatial features such as the POI coordinates, the social network, etc. These models ignore a crucial aspect of spatial mobility…

Machine Learning · Computer Science 2022-09-20 Vinayak Gupta , Srikanta Bedathur

A reciprocal recommendation problem is one where the goal of learning is not just to predict a user's preference towards a passive item (e.g., a book), but to recommend the targeted user on one side another user from the other side such…

Machine Learning · Computer Science 2018-06-05 Fabio Vitale , Nikos Parotsidis , Claudio Gentile

Human mobility data accumulated from Point-of-Interest (POI) check-ins provides great opportunity for user behavior understanding. However, data quality issues (e.g., geolocation information missing, unreal check-ins, data sparsity) in…

Machine Learning · Computer Science 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Yanchi Liu , Jingjing Gu , Hui Xiong , Qing He

Personalized news recommendation methods are widely used in online news services. These methods usually recommend news based on the matching between news content and user interest inferred from historical behaviors. However, these methods…

Information Retrieval · Computer Science 2021-06-11 Tao Qi , Fangzhao Wu , Chuhan Wu , Yongfeng Huang

Recommender Systems (RSs) aim to model and predict the user preference while interacting with items, such as Points of Interest (POIs). These systems face several challenges, such as data sparsity, limiting their effectiveness. In this…

Information Retrieval · Computer Science 2022-01-11 Kosar Seyedhoseinzadeh , Hossein A. Rahmani , Mohsen Afsharchi , Mohammad Aliannejadi

Next point-of-interest (POI) recommendation improves personalized location-based services by predicting users' next destinations based on their historical check-ins. However, most existing methods rely on static datasets and fixed models,…

Information Retrieval · Computer Science 2025-11-27 Chenhao Wang , Shanshan Feng , Lisi Chen , Fan Li , Shuo Shang

Popularity bias is a pervasive problem in recommender systems, where recommendations disproportionately favor popular items. This not only results in "rich-get-richer" dynamics and a homogenization of visible content, but can also lead to…

Information Retrieval · Computer Science 2026-04-02 Mona Schirmer , Anton Thielmann , Pola Schwöbel , Thomas Martynec , Giuseppe Di Benedetto , Ben London , Yannik Stein

Point of interest (POI) data provide digital representations of places in the real world, and have been increasingly used to understand human-place interactions, support urban management, and build smart cities. Many POI datasets have been…

Computers and Society · Computer Science 2023-10-25 Kai Sun , Yingjie Hu , Yue Ma , Ryan Zhenqi Zhou , Yunqiang Zhu