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Related papers: FairRec: Two-Sided Fairness for Personalized Recom…

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Diffusion-based learning has settled as a rising paradigm in generative recommendation, outperforming traditional approaches built upon variational autoencoders and generative adversarial networks. Despite their effectiveness, concerns have…

Information Retrieval · Computer Science 2025-08-12 Daniele Malitesta , Giacomo Medda , Erasmo Purificato , Mirko Marras , Fragkiskos D. Malliaros , Ludovico Boratto

In the current landscape of ever-increasing levels of digitalization, we are facing major challenges pertaining to scalability. Recommender systems have become irreplaceable both for helping users navigate the increasing amounts of data…

Information Retrieval · Computer Science 2024-04-03 Bjørnar Vassøy , Helge Langseth

As a highly data-driven application, recommender systems could be affected by data bias, resulting in unfair results for different data groups, which could be a reason that affects the system performance. Therefore, it is important to…

Information Retrieval · Computer Science 2021-04-22 Yunqi Li , Hanxiong Chen , Zuohui Fu , Yingqiang Ge , Yongfeng Zhang

We address fairness in the context of sequential bundle recommendation, where users are served in turn with sets of relevant and compatible items. Motivated by real-world scenarios, we formalize producer-fairness, that seeks to achieve…

Machine Learning · Computer Science 2025-06-26 Alexandre Rio , Marta Soare , Sihem Amer-Yahia

Fairness in machine learning has been studied by many researchers. In particular, fairness in recommender systems has been investigated to ensure the recommendations meet certain criteria with respect to certain sensitive features such as…

Information Retrieval · Computer Science 2020-03-27 Himan Abdollahpouri , Robin Burke , Masoud Mansoury

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

Algorithmic fairness for artificial intelligence has become increasingly relevant as these systems become more pervasive in society. One realm of AI, recommender systems, presents unique challenges for fairness due to trade offs between…

Information Retrieval · Computer Science 2020-04-21 Jessie Smith , Nasim Sonboli , Casey Fiesler , Robin Burke

Fairness of recommender systems (RS) has attracted increasing attention recently. Based on the involved stakeholders, the fairness of RS can be divided into user fairness, item fairness, and two-sided fairness which considers both user and…

Information Retrieval · Computer Science 2024-02-16 Yifan Wang , Peijie Sun , Weizhi Ma , Min Zhang , Yuan Zhang , Peng Jiang , Shaoping Ma

In recent years, there has been an increasing recognition that when machine learning (ML) algorithms are used to automate decisions, they may mistreat individuals or groups, with legal, ethical, or economic implications. Recommender systems…

Artificial Intelligence · Computer Science 2024-02-02 Hossein A. Rahmani , Mohammadmehdi Naghiaei , Yashar Deldjoo

Deep learning-based recommender systems (DRSs) are increasingly and widely deployed in the industry, which brings significant convenience to people's daily life in different ways. However, recommender systems are also shown to suffer from…

Artificial Intelligence · Computer Science 2023-04-17 Huizhong Guo , Jinfeng Li , Jingyi Wang , Xiangyu Liu , Dongxia Wang , Zehong Hu , Rong Zhang , Hui Xue

Social commerce platforms are emerging businesses where producers sell products through re-sellers who advertise the products to other customers in their social network. Due to the increasing popularity of this business model, thousands of…

Nowadays, most online services are hosted on multi-stakeholder marketplaces, where consumers and producers may have different objectives. Conventional recommendation systems, however, mainly focus on maximizing consumers' satisfaction by…

Information Retrieval · Computer Science 2022-08-10 Haolun Wu , Chen Ma , Bhaskar Mitra , Fernando Diaz , Xue Liu

News recommendation aims to help online news platform users find their preferred news articles. Existing news recommendation methods usually learn models from historical user behaviors on news. However, these behaviors are usually biased on…

Information Retrieval · Computer Science 2022-04-12 Tao Qi , Fangzhao Wu , Chuhan Wu , Peijie Sun , Le Wu , Xiting Wang , Yongfeng Huang , Xing Xie

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

Recommender systems, while transformative in online user experiences, have raised concerns over potential provider-side fairness issues. These systems may inadvertently favor popular items, thereby marginalizing less popular ones and…

Information Retrieval · Computer Science 2023-09-11 Saeedeh Karimi , Hossein A. Rahmani , Mohammadmehdi Naghiaei , Leila Safari

The last several years have brought a growing body of work on ensuring that recommender systems are in some sense consumer-fair -- that is, they provide comparable quality of service, accuracy of representation, and other effects to their…

Information Retrieval · Computer Science 2022-09-09 Michael D. Ekstrand , Maria Soledad Pera

Prior research on exposure fairness in the context of recommender systems has focused mostly on disparities in the exposure of individual or groups of items to individual users of the system. The problem of how individual or groups of items…

Information Retrieval · Computer Science 2022-05-03 Haolun Wu , Bhaskar Mitra , Chen Ma , Fernando Diaz , Xue Liu

Ranking plays a central role in connecting users and providers in Information Retrieval (IR) systems, making provider-side fairness an important challenge. While recent research has begun to address fairness in ranking, most existing…

Information Retrieval · Computer Science 2026-02-03 Yiteng Tu , Weihang Su , Shuguang Han , Yiqun Liu , Qingyao Ai

Recommender systems are essential for personalizing digital experiences on e-commerce sites, streaming services, and social media platforms. While these systems are necessary for modern digital interactions, they face fairness, bias,…

Information Retrieval · Computer Science 2024-09-20 Falguni Roy , Xiaofeng Ding , K. -K. R. Choo , Pan Zhou

Popularity bias is a well-known issue in recommender systems where few popular items are over-represented in the input data, while majority of other less popular items are under-represented. This disparate representation often leads to bias…

Information Retrieval · Computer Science 2023-10-05 Masoud Mansoury , Finn Duijvestijn , Imane Mourabet