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Related papers: Towards Long-term Fairness in Recommendation

200 papers

In social recommender systems, it is crucial that the recommendation models provide equitable visibility for different demographic groups, such as gender or race. Most existing research has addressed this problem by only studying individual…

Social and Information Networks · Computer Science 2026-02-26 Meng Cao , Hussain Hussain , Sandipan Sikdar , Denis Helic , Markus Strohmaier , Roman Kern

Rankings, especially those in search and recommendation systems, often determine how people access information and how information is exposed to people. Therefore, how to balance the relevance and fairness of information exposure is…

Information Retrieval · Computer Science 2021-02-22 Tao Yang , Qingyao Ai

Recommender systems are widely used to provide personalized recommendations to users. Recent research has shown that recommender systems may be subject to different types of biases, such as popularity bias, leading to an uneven distribution…

Information Retrieval · Computer Science 2023-10-03 Giovanni Pellegrini , Vittorio Maria Faraco , Yashar Deldjoo

Recommender systems are known to suffer from the popularity bias problem: popular (i.e. frequently rated) items get a lot of exposure while less popular ones are under-represented in the recommendations. Research in this area has been…

Information Retrieval · Computer Science 2019-09-20 Himan Abdollahpouri , Masoud Mansoury , Robin Burke , Bamshad Mobasher

Collaborative filtering based recommendation learns users' preferences from all users' historical behavior data, and has been popular to facilitate decision making. R Recently, the fairness issue of recommendation has become more and more…

Information Retrieval · Computer Science 2023-02-22 Lei Chen , Le Wu , Kun Zhang , Richang Hong , Defu Lian , Zhiqiang Zhang , Jun Zhou , Meng Wang

In a news recommender system, a reader's preferences change over time. Some preferences drift quite abruptly (short-term preferences), while others change over a longer period of time (long-term preferences). Although the existing news…

Information Retrieval · Computer Science 2021-03-24 Shaina Raza

Recommender systems are gaining increasing and critical impacts on human and society since a growing number of users use them for information seeking and decision making. Therefore, it is crucial to address the potential unfairness problems…

Information Retrieval · Computer Science 2021-11-08 Yunqi Li , Hanxiong Chen , Shuyuan Xu , Yingqiang Ge , Yongfeng Zhang

As one of the most pervasive applications of machine learning, recommender systems are playing an important role on assisting human decision making. The satisfaction of users and the interests of platforms are closely related to the quality…

Information Retrieval · Computer Science 2023-08-04 Yunqi Li , Hanxiong Chen , Shuyuan Xu , Yingqiang Ge , Juntao Tan , Shuchang Liu , Yongfeng Zhang

Although many fairness criteria have been proposed for decision making, their long-term impact on the well-being of a population remains unclear. In this work, we study the dynamics of population qualification and algorithmic decisions…

Machine Learning · Computer Science 2020-10-24 Xueru Zhang , Ruibo Tu , Yang Liu , Mingyan Liu , Hedvig Kjellström , Kun Zhang , Cheng Zhang

Recent studies have shown that recommendation systems commonly suffer from popularity bias. Popularity bias refers to the problem that popular items (i.e., frequently rated items) are recommended frequently while less popular items are…

Information Retrieval · Computer Science 2022-03-01 Mohammadmehdi Naghiaei , Hossein A. Rahmani , Mahdi Dehghan

Fairness in recommendation has attracted increasing attention due to bias and discrimination possibly caused by traditional recommenders. In Interactive Recommender Systems (IRS), user preferences and the system's fairness status are…

Information Retrieval · Computer Science 2021-06-28 Weiwen Liu , Feng Liu , Ruiming Tang , Ben Liao , Guangyong Chen , Pheng Ann Heng

We explore the fairness issue that arises in recommender systems. Biased data due to inherent stereotypes of particular groups (e.g., male students' average rating on mathematics is often higher than that on humanities, and vice versa for…

Machine Learning · Computer Science 2022-10-13 Jaewoong Cho , Moonseok Choi , Changho Suh

Recommender systems are known to exhibit fairness issues, particularly on the product side, where products and their associated suppliers receive unequal exposure in recommended results. While this problem has been widely studied in…

Information Retrieval · Computer Science 2025-07-22 Huy-Son Nguyen , Yuanna Liu , Masoud Mansoury , Mohammad Alian Nejadi , Alan Hanjalic , Maarten de Rijke

Recommender systems help people find relevant content in a personalized way. One main promise of such systems is that they are able to increase the visibility of items in the long tail, i.e., the lesser-known items in a catalogue. Existing…

Information Retrieval · Computer Science 2024-07-03 Anastasiia Klimashevskaia , Dietmar Jannach , Mehdi Elahi , Christoph Trattner

Fairness has emerged as an important concern in automated decision-making in recent years, especially when these decisions affect human welfare. In this work, we study fairness in temporally extended decision-making settings, specifically…

Artificial Intelligence · Computer Science 2022-02-10 Ganesh Ghalme , Vineet Nair , Vishakha Patil , Yilun Zhou

Rankings are ubiquitous in the online world today. As we have transitioned from finding books in libraries to ranking products, jobs, job applicants, opinions and potential romantic partners, there is a substantial precedent that ranking…

Information Retrieval · Computer Science 2018-10-18 Ashudeep Singh , Thorsten Joachims

As recommender systems are being designed and deployed for an increasing number of socially-consequential applications, it has become important to consider what properties of fairness these systems exhibit. There has been considerable…

Information Retrieval · Computer Science 2020-09-08 Nasim Sonboli , Robin Burke , Nicholas Mattei , Farzad Eskandanian , Tian Gao

Recommender systems can be found everywhere today, shaping our everyday experience whenever we're consuming content, ordering food, buying groceries online, or even just reading the news. Let's imagine we're in the process of building a…

Information Retrieval · Computer Science 2025-07-17 Cécile Logé

Recent work in recommender systems mainly focuses on fairness in recommendations as an important aspect of measuring recommendations quality. A fairness-aware recommender system aims to treat different user groups similarly. Relevant work…

Information Retrieval · Computer Science 2022-05-18 Hossein A. Rahmani , Mohammadmehdi Naghiaei , Mahdi Dehghan , Mohammad Aliannejadi

Recommender systems are one of the most pervasive applications of machine learning in industry, with many services using them to match users to products or information. As such it is important to ask: what are the possible fairness risks,…

Computers and Society · Computer Science 2019-03-12 Alex Beutel , Jilin Chen , Tulsee Doshi , Hai Qian , Li Wei , Yi Wu , Lukasz Heldt , Zhe Zhao , Lichan Hong , Ed H. Chi , Cristos Goodrow