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The evolution of the user's content still remains a problem for an accurate recommendation.This is why the current research aims to design Recommender Systems (RS) able to continually adapt information that matches the user's interests.…

Information Retrieval · Computer Science 2013-05-09 Djallel Bouneffouf

Bias in recommender systems not only distorts user experience but also perpetuates and amplifies existing societal stereotypes, particularly in sectors like fashion e-commerce. This study employs a dynamic modeling approach to scrutinize…

Information Retrieval · Computer Science 2025-10-28 Mahsa Goodarzi , M. Abdullah Canbaz

In this paper, we argue for a paradigm shift from the current model of explainable artificial intelligence (XAI), which may be counter-productive to better human decision making. In early decision support systems, we assumed that we could…

Artificial Intelligence · Computer Science 2023-03-14 Tim Miller

Large-scale industrial recommenders typically use a fixed multi-stage pipeline (recall, ranking, re-ranking) and have progressed from collaborative filtering to deep and large pre-trained models. However, both multi-stage and so-called One…

Information Retrieval · Computer Science 2026-04-10 Jinxin Hu , Hao Deng , Lingyu Mu , Hao Zhang , Shizhun Wang , Yu Zhang , Xiaoyi Zeng

Recommender systems have become an essential tool to help resolve the information overload problem in recent decades. Traditional recommender systems, however, suffer from data sparsity and cold start problems. To address these issues, a…

Information Retrieval · Computer Science 2020-07-21 Zhu Sun , Qing Guo , Jie Yang , Hui Fang , Guibing Guo , Jie Zhang , Robin Burke

Recommender systems attempt to reduce information overload and retain customers by selecting a subset of items from a universal set based on user preferences. While research in recommender systems grew out of information retrieval and…

Information Retrieval · Computer Science 2007-05-23 Saverio Perugini , Marcos Andre Goncalves , Edward A. Fox

Human behavioral patterns and consumption paradigms have emerged as pivotal determinants in environmental degradation and climate change, with quotidian decisions pertaining to transportation, energy utilization, and resource consumption…

Information Retrieval · Computer Science 2024-11-13 Xin Zhou , Lei Zhang , Honglei Zhang , Yixin Zhang , Xiaoxiong Zhang , Jie Zhang , Zhiqi Shen

Recommender Systems (RS) play an integral role in enhancing user experiences by providing personalized item suggestions. This survey reviews the progress in RS inclusively from 2017 to 2024, effectively connecting theoretical advances with…

Information Retrieval · Computer Science 2025-10-17 Shaina Raza , Mizanur Rahman , Safiullah Kamawal , Armin Toroghi , Ananya Raval , Farshad Navah , Amirmohammad Kazemeini

The past two decades have witnessed the rapid development of personalized recommendation techniques. Despite significant progress made in both research and practice of recommender systems, to date, there is a lack of a widely-recognized…

Information Retrieval · Computer Science 2022-07-19 Jieming Zhu , Quanyu Dai , Liangcai Su , Rong Ma , Jinyang Liu , Guohao Cai , Xi Xiao , Rui Zhang

Current practice for evaluating recommender systems typically focuses on point estimates of user-oriented effectiveness metrics or business metrics, sometimes combined with additional metrics for considerations such as diversity and…

Information Retrieval · Computer Science 2023-09-13 Michael D. Ekstrand , Ben Carterette , Fernando Diaz

Lately, we have observed a growing interest in intent-aware recommender systems (IARS). The promise of such systems is that they are capable of generating better recommendations by predicting and considering the underlying motivations and…

Information Retrieval · Computer Science 2025-10-15 Faisal Shehzad , Maurizio Ferrari Dacrema , Dietmar Jannach

A significant remaining challenge for existing recommender systems is that users may not trust the recommender systems for either lack of explanation or inaccurate recommendation results. Thus, it becomes critical to embrace a trustworthy…

Information Retrieval · Computer Science 2020-10-07 Manqing Dong , Feng Yuan , Lina Yao , Xianzhi Wang , Xiwei Xu , Liming Zhu

More than twenty-five years ago, first ideas were developed on how to design a system that can provide recommendations to groups of users instead of individual users. Since then, a rich variety of algorithmic proposals were published, e.g.,…

Information Retrieval · Computer Science 2025-07-02 Dietmar Jannach , Amra Delić , Francesco Ricci , Markus Zanker

The statistics community, which has traditionally lacked a transparent and open peer-review system, faces a challenge of inconsistent paper quality, with some published work containing substantial errors. This problem resonates with…

Methodology · Statistics 2025-12-10 Zhen Li

Recommendation systems and assistants (in short, recommenders) influence through online platforms most actions of our daily lives, suggesting items or providing solutions based on users' preferences or requests. This survey systematically…

Recommender systems have fulfilled an important role in everyday life. Recommendations such as news by Google, videos by Netflix, goods by e-commerce providers, etc. have heavily changed everyones lifestyle. Health domains contain similar…

Information Retrieval · Computer Science 2020-07-28 Jia Su , Yi Guan , Yuge Li , Weile Chen , He Lv , Yageng Yan

With the rapid growth of information, recommender systems have become integral for providing personalized suggestions and overcoming information overload. However, their practical deployment often encounters ``dirty'' data, where noise or…

Information Retrieval · Computer Science 2025-04-02 Kaike Zhang , Qi Cao , Fei Sun , Yunfan Wu , Shuchang Tao , Huawei Shen , Xueqi Cheng

In this position paper, we question the current practice of calculating evaluation metrics for recommender systems as single numbers (e.g. precision p=.28 or mean absolute error MAE = 1.21). We argue that single numbers express only average…

Information Retrieval · Computer Science 2017-10-31 Joeran Beel

Modern recommendation systems rely on the wisdom of the crowd to learn the optimal course of action. This induces an inherent mis-alignment of incentives between the system's objective to learn (explore) and the individual users' objective…

Computer Science and Game Theory · Computer Science 2018-07-06 Gal Bahar , Rann Smorodinsky , Moshe Tennenholtz

Recommendation systems are ubiquitous and impact many domains; they have the potential to influence product consumption, individuals' perceptions of the world, and life-altering decisions. These systems are often evaluated or trained with…

Computers and Society · Computer Science 2018-11-28 Allison J. B. Chaney , Brandon M. Stewart , Barbara E. Engelhardt