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Algorithmic decision-making systems are increasingly used throughout the public and private sectors to make important decisions or assist humans in making these decisions with real social consequences. While there has been substantial…

Human-Computer Interaction · Computer Science 2020-01-28 Ruotong Wang , F. Maxwell Harper , Haiyi Zhu

Machine learning actively impacts our everyday life in almost all endeavors and domains such as healthcare, finance, and energy. As our dependence on the machine learning increases, it is inevitable that these algorithms will be used to…

Machine Learning · Computer Science 2021-02-23 Ankit Kulshrestha , Ilya Safro

Machine learning algorithms are increasingly used to make or support decisions in a wide range of settings. With such expansive use there is also growing concern about the fairness of such methods. Prior literature on algorithmic fairness…

Machine Learning · Computer Science 2023-04-17 Arindam Ray , Balaji Padmanabhan , Lina Bouayad

Selection bias is prevalent in the data for training and evaluating recommendation systems with explicit feedback. For example, users tend to rate items they like. However, when rating an item concerning a specific user, most of the…

Information Retrieval · Computer Science 2021-09-14 Weishen Pan , Sen Cui , Hongyi Wen , Kun Chen , Changshui Zhang , Fei Wang

Ranking, recommendation, and retrieval systems are widely used in online platforms and other societal systems, including e-commerce, media-streaming, admissions, gig platforms, and hiring. In the recent past, a large "fair ranking" research…

Information Retrieval · Computer Science 2022-02-01 Gourab K Patro , Lorenzo Porcaro , Laura Mitchell , Qiuyue Zhang , Meike Zehlike , Nikhil Garg

This article appears as chapter 21 of Prince (2023, Understanding Deep Learning); a complete draft of the textbook is available here: http://udlbook.com. This chapter considers potential harms arising from the design and use of AI systems.…

Artificial Intelligence · Computer Science 2023-06-21 Travis LaCroix , Simon J. D. Prince

Recommender systems are nowadays a pervasive part of our online user experience, where they either serve as information filters or provide us with suggestions for additionally relevant content. These systems thereby influence which…

Human-Computer Interaction · Computer Science 2021-01-14 Mathias Jesse , Dietmar Jannach

By the growing trend of online shopping and e-commerce websites, recommendation systems have gained more importance in recent years in order to increase the sales ratios of companies. Different algorithms on recommendation systems are used…

Information Retrieval · Computer Science 2017-01-19 Gürkan Alpaslan

Several recent works have highlighted how search and recommender systems exhibit bias along different dimensions. Counteracting this bias and bringing a certain amount of fairness in search is crucial to not only creating a more balanced…

Information Retrieval · Computer Science 2020-08-05 Sahil Verma , Ruoyuan Gao , Chirag Shah

Collaborative filtering recommendation systems provide recommendations to users based on their own past preferences, as well as those of other users who share similar interests. The use of recommendation systems has grown widely in recent…

Cryptography and Security · Computer Science 2020-03-19 Islam Elnabarawy , Wei Jiang , Donald C. Wunsch

The number of Internet users had grown rapidly enticing companies and cooperations to make full use of recommendation infrastructures. Consequently, online advertisement companies emerged to aid us in the presence of numerous items and…

Information Retrieval · Computer Science 2018-11-30 S. M. Mahdi Seyednezhad , Kailey Nobuko Cozart , John Anthony Bowllan , Anthony O. Smith

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

Recommendation systems have been integrated into the majority of large online systems to filter and rank information according to user profiles. It thus influences the way users interact with the system and, as a consequence, bias the…

Information Retrieval · Computer Science 2015-11-05 Arnaud De Myttenaere , Boris Golden , Bénédicte Le Grand , Fabrice Rossi

Academic research in recommender systems has been greatly focusing on the accuracy-related measures of recommendations. Even when non-accuracy measures such as popularity bias, diversity, and novelty are studied, it is often solely from the…

Information Retrieval · Computer Science 2020-07-03 Himan Abdollahpouri , Masoud Mansoury

Large Language Model (LLM)-based recommendation systems excel in delivering comprehensive suggestions by deeply analyzing content and user behavior. However, they often inherit biases from skewed training data, favoring mainstream content…

Information Retrieval · Computer Science 2026-02-02 Anindya Bijoy Das , Shahnewaz Karim Sakib

Online educational platforms are playing a primary role in mediating the success of individuals' careers. Therefore, while building overlying content recommendation services, it becomes essential to guarantee that learners are provided with…

Information Retrieval · Computer Science 2022-08-24 Mirko Marras , Ludovico Boratto , Guilherme Ramos , Gianni Fenu

Rankings of people and items has been highly used in selection-making, match-making, and recommendation algorithms that have been deployed on ranging of platforms from employment websites to searching tools. The ranking position of a…

Social and Information Networks · Computer Science 2021-03-03 Akrati Saxena , George Fletcher , Mykola Pechenizkiy

A recommender system is a system that helps users filter irrelevant information and create user interest models based on their historical records. With the continuous development of Internet information, recommendation systems have received…

Information Retrieval · Computer Science 2022-08-11 Junan Pan , Zhihao Zhao

Fairness-aware recommender systems that have a provider-side fairness concern seek to ensure that protected group(s) of providers have a fair opportunity to promote their items or products. There is a ``cost of fairness'' borne by the…

Information Retrieval · Computer Science 2022-09-12 Paresha Farastu , Nicholas Mattei , Robin Burke

Recommender systems (RSs) aim to help users to effectively retrieve items of their interests from a large catalogue. For a quite long period of time, researchers and practitioners have been focusing on developing accurate RSs. Recent years…

Information Retrieval · Computer Science 2023-11-20 Shoujin Wang , Xiuzhen Zhang , Yan Wang , Huan Liu , Francesco Ricci