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Related papers: A Survey on Popularity Bias in Recommender Systems

200 papers

The issue of popularity bias -- where popular items are disproportionately recommended, overshadowing less popular but potentially relevant items -- remains a significant challenge in recommender systems. Recent advancements have seen the…

Information Retrieval · Computer Science 2024-06-04 Jan Malte Lichtenberg , Alexander Buchholz , Pola Schwöbel

Recommendation systems today exert a strong influence on consumer behavior and individual perceptions of the world. By using collaborative filtering (CF) methods to create recommendations, it generates a continuous feedback loop in which…

Information Retrieval · Computer Science 2020-02-05 Sunshine Chong , Andrés Abeliuk

Recommendation algorithms are susceptible to popularity bias: a tendency to recommend popular items even when they fail to meet user needs. A related issue is that the recommendation quality can vary by demographic groups. Marginalized…

Information Retrieval · Computer Science 2021-10-19 Nicola Neophytou , Bhaskar Mitra , Catherine Stinson

With the remarkable increase in the number of scientific entities such as publications, researchers, and scientific topics, and the associated information overload in science, academic recommender systems have become increasingly important…

Information Retrieval · Computer Science 2023-02-14 Michael Färber , Melissa Coutinho , Shuzhou Yuan

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

Recommender systems have been applied successfully in a number of different domains, such as, entertainment, commerce, and employment. Their success lies in their ability to exploit the collective behavior of users in order to deliver…

Information Retrieval · Computer Science 2018-11-06 Virginia Tsintzou , Evaggelia Pitoura , Panayiotis Tsaparas

Recommender systems are present in many web applications to guide our choices. They increase sales and benefit sellers, but whether they benefit customers by providing relevant products is questionable. Here we introduce a model to examine…

Computers and Society · Computer Science 2017-01-27 Chi Ho Yeung

Personalized recommendations have become a common feature of modern online services, including most major e-commerce sites, media platforms and social networks. Today, due to their high practical relevance, research in the area of…

Information Retrieval · Computer Science 2023-02-07 Pablo Castells , Dietmar Jannach

With a vast number of items, web-pages, and news to choose from, online services and the customers both benefit tremendously from personalized recommender systems. Such systems however provide great opportunities for targeted…

Information Retrieval · Computer Science 2015-04-16 Subhashini Krishnasamy , Rajat Sen , Sewoong Oh , Sanjay Shakkottai

Recently there has been a growing interest in fairness-aware recommender systems, including fairness in providing consistent performance across different users or groups of users. A recommender system could be considered unfair if the…

Information Retrieval · Computer Science 2019-10-17 Himan Abdollahpouri , Masoud Mansoury , Robin Burke , Bamshad Mobasher

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

Position bias poses a persistent challenge in recommender systems, with much of the existing research focusing on refining ranking relevance and driving user engagement. However, in practical applications, the mitigation of position bias…

Information Retrieval · Computer Science 2024-12-13 Andrii Dzhoha , Alexey Kurennoy , Vladimir Vlasov , Marjan Celikik

E-commerce recommender systems are becoming increasingly important in the current digital world. They are used to personalize user experience, help customers find what they need quickly and efficiently, and increase revenue for the…

Information Retrieval · Computer Science 2022-12-29 Tanmayee Salunke , Unnati Nichite

Albeit the widespread application of recommender systems (RecSys) in our daily lives, rather limited research has been done on quantifying unfairness and biases present in such systems. Prior work largely focuses on determining whether a…

Computers and Society · Computer Science 2023-10-13 Valentijn Braun , Debarati Bhaumik , Diptish Dey

Two typical forms of bias in user interaction data with recommender systems (RSs) are popularity bias and positivity bias, which manifest themselves as the over-representation of interactions with popular items or items that users prefer,…

Information Retrieval · Computer Science 2024-04-30 Jin Huang , Harrie Oosterhuis , Masoud Mansoury , Herke van Hoof , Maarten de Rijke

Popularity bias is a long-standing challenge in recommender systems. Such a bias exerts detrimental impact on both users and item providers, and many efforts have been dedicated to studying and solving such a bias. However, most existing…

Information Retrieval · Computer Science 2022-08-03 Ziwei Zhu , Yun He , Xing Zhao , James Caverlee

Popularity bias and positivity bias are two prominent sources of bias in recommender systems. Both arise from input data, propagate through recommendation models, and lead to unfair or suboptimal outcomes. Popularity bias occurs when a…

Information Retrieval · Computer Science 2026-01-21 Masoud Mansoury , Jin Huang , Mykola Pechenizkiy , Herke van Hoof , Maarten de Rijke

Standard collaborative filtering approaches for top-N recommendation are biased toward popular items. As a result, they recommend items that users are likely aware of and under-represent long-tail items. This is inadequate, both for…

Information Retrieval · Computer Science 2018-03-02 Zainab Zolaktaf , Reza Babanezhad , Rachel Pottinger

Recommender systems for software engineering (RSSE) play a crucial role in automating development tasks by providing relevant suggestions according to the developer's context. However, they suffer from the so-called popularity bias, i.e.,…

Software Engineering · Computer Science 2025-01-20 Claudio Di Sipio , Juri Di Rocco , Davide Di Ruscio , Vladyslav Bulhakov

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