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In large-scale recommendation systems, the vast array of items makes it infeasible to obtain accurate user preferences for each product, resulting in a common issue of missing labels. Typically, only items previously recommended to users…

信息检索 · 计算机科学 2024-06-11 Yulong Dong , Kun Jin , Xinghai Hu , Yang Liu

In the rapidly evolving domain of Recommender Systems (RecSys), new algorithms frequently claim state-of-the-art performance based on evaluations over a limited set of arbitrarily selected datasets. However, this approach may fail to…

An increasing number of decisions regarding the daily lives of human beings are being controlled by artificial intelligence (AI) algorithms in spheres ranging from healthcare, transportation, and education to college admissions,…

计算机与社会 · 计算机科学 2020-01-28 Dana Pessach , Erez Shmueli

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…

信息检索 · 计算机科学 2023-02-07 Pablo Castells , Dietmar Jannach

The ongoing rapid expansion of the Internet greatly increases the necessity of effective recommender systems for filtering the abundant information. Extensive research for recommender systems is conducted by a broad range of communities…

物理与社会 · 物理学 2015-06-04 Linyuan Lü , Matus Medo , Chi Ho Yeung , Yi-Cheng Zhang , Zi-Ke Zhang , Tao Zhou

Ranked lists are frequently used by information retrieval (IR) systems to present results believed to be relevant to the users information need. Fairness is a relatively new but important aspect of these rankings to measure, joining a rich…

信息检索 · 计算机科学 2022-01-11 Amifa Raj , Michael D. Ekstrand

Developing classification algorithms that are fair with respect to sensitive attributes of the data has become an important problem due to the growing deployment of classification algorithms in various social contexts. Several recent works…

机器学习 · 计算机科学 2020-04-16 L. Elisa Celis , Lingxiao Huang , Vijay Keswani , Nisheeth K. Vishnoi

The recommender system is one of the most promising ways to address the information overload problem in online systems. Based on the personal historical record, the recommender system can find interesting and relevant objects for the user…

信息检索 · 计算机科学 2015-06-17 An Zeng , Alexandre Vidmer , Matus Medo , Yi-Cheng Zhang

There has been great interest in fairness in machine learning, especially in relation to classification problems. In ranking-related problems, such as in online advertising, recommender systems, and HR automation, much work on fairness…

机器学习 · 计算机科学 2025-04-21 Andrii Kliachkin , Eleni Psaroudaki , Jakub Marecek , Dimitris Fotakis

Selecting a subset of the $k$ "best" items from a dataset of $n$ items, based on a scoring function, is a key task in decision-making. Given the rise of automated decision-making software, it is important that the outcome of this process,…

数据库 · 计算机科学 2026-03-31 Guangya Cai

Pairwise comparisons based on human judgements are an effective method for determining rankings of items or individuals. However, as human biases perpetuate from pairwise comparisons to recovered rankings, they affect algorithmic decision…

计算机与社会 · 计算机科学 2024-08-26 Georg Ahnert , Antonio Ferrara , Claudia Wagner

Algorithm fairness has become a central problem for the broad adoption of artificial intelligence. Although the past decade has witnessed an explosion of excellent work studying algorithm biases, achieving fairness in real-world AI…

机器学习 · 计算机科学 2023-09-06 James Enouen , Tianshu Sun , Yan Liu

An exact histogram specification (EHS) method modifies its input image to have a specified histogram. Applications of EHS include image (contrast) enhancement (e.g., by histogram equalization) and histogram watermarking. Performing EHS on…

计算机视觉与模式识别 · 计算机科学 2015-05-13 Alireza Avanaki

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…

信息检索 · 计算机科学 2022-08-24 Mirko Marras , Ludovico Boratto , Guilherme Ramos , Gianni Fenu

The increasing role of recommender systems in many aspects of society makes it essential to consider how such systems may impact social good. Various modifications to recommendation algorithms have been proposed to improve their performance…

信息检索 · 计算机科学 2019-01-29 Bashir Rastegarpanah , Krishna P. Gummadi , Mark Crovella

Image segmentation is one of the principal approaches of image processing. The choice of the most appropriate Binarization algorithm for each case proved to be a very interesting procedure itself. In this paper, we have done the comparison…

计算机视觉与模式识别 · 计算机科学 2011-11-22 Aroop Mukherjee , Soumen Kanrar

Despite recent advances in image enhancement, it remains difficult for existing approaches to adaptively improve the brightness and contrast for both low-light and normal-light images. To solve this problem, we propose a novel 2D histogram…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Xiaomeng Wu , Yongqing Sun , Akisato Kimura , Kunio Kashino

Decisions made by various Artificial Intelligence (AI) systems greatly influence our day-to-day lives. With the increasing use of AI systems, it becomes crucial to know that they are fair, identify the underlying biases in their…

计算机与社会 · 计算机科学 2022-03-15 Avinash Agarwal , Harsh Agarwal , Nihaarika Agarwal

Recommender systems are a vital tool that helps us to overcome the information overload problem. They are being used by most e-commerce web sites and attract the interest of a broad scientific community. A recommender system uses data on…

信息检索 · 计算机科学 2017-02-22 Fei Yu , An Zeng , Sebastien Gillard , Matus Medo

Whereas previous post-processing approaches for increasing the fairness of predictions of biased classifiers address only group fairness, we propose a method for increasing both individual and group fairness. Our novel framework includes an…