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In the WWW (World Wide Web), dynamic development and spread of data has resulted a tremendous amount of information available on the Internet, yet user is unable to find relevant information in a short span of time. Consequently, a system…

Information Retrieval · Computer Science 2020-09-11 Denis Selimi , Krenare Pireva Nuci

Recommender systems, which offer personalized suggestions to users, power many of today's social media, e-commerce and entertainment. However, these systems have been known to intellectually isolate users from a variety of perspectives, or…

Machine Learning · Computer Science 2022-09-20 Vivek Anand , Matthew Yang , Zhanzhan Zhao

The emerging topic of sequential recommender systems has attracted increasing attention in recent years.Different from the conventional recommender systems including collaborative filtering and content-based filtering, SRSs try to…

Information Retrieval · Computer Science 2020-01-15 Shoujin Wang , Liang Hu , Yan Wang , Longbing Cao , Quan Z. Sheng , Mehmet Orgun

To address the problem of narrow recommendation ranges caused by an emphasis on prediction accuracy, serendipitous recommendations, which consider both usefulness and unexpectedness, have attracted attention. However, realizing…

Information Retrieval · Computer Science 2025-04-10 Zhelin Xu , Atsushi Matsumura

Recommender systems shape online interactions by matching users with creators content to maximize engagement. Creators, in turn, adapt their content to align with users preferences and enhance their popularity. At the same time, users…

Information Retrieval · Computer Science 2026-01-07 Lukas Schüepp , Carmen Amo Alonso , Florian Dörfler , Giulia De Pasquale

Recommender systems (RS), serving at the forefront of Human-centered AI, are widely deployed in almost every corner of the web and facilitate the human decision-making process. However, despite their enormous capabilities and potential, RS…

Information Retrieval · Computer Science 2024-02-23 Yingqiang Ge , Shuchang Liu , Zuohui Fu , Juntao Tan , Zelong Li , Shuyuan Xu , Yunqi Li , Yikun Xian , Yongfeng Zhang

The role of recommendation algorithms in online user confinement is at the heart of a fast-growing literature. Recent empirical studies generally suggest that filter bubbles may principally be observed in the case of explicit recommendation…

Social and Information Networks · Computer Science 2020-04-27 Camille Roth , Antoine Mazières , Telmo Menezes

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan

The rapid advancement of Large Language Models (LLMs) has opened new opportunities in recommender systems by enabling zero-shot recommendation without conventional training. Despite their potential, most existing works rely solely on users'…

Computation and Language · Computer Science 2026-05-01 Seunghwan Bang , Hwanjun Song

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

Providing unexpected recommendations is an important task for recommender systems. To do this, we need to start from the expectations of users and deviate from these expectations when recommending items. Previously proposed approaches model…

Information Retrieval · Computer Science 2019-05-07 Pan Li , Alexander Tuzhilin

Nowadays, recommendation systems have become crucial to online platforms, shaping user exposure by accurate preference modeling. However, such an exposure strategy can also reinforce users' existing preferences, leading to a notorious…

Social and Information Networks · Computer Science 2025-12-04 Difu Feng , Qianqian Xu , Zitai Wang , Cong Hua , Zhiyong Yang , Qingming Huang

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

Recommender systems have become indispensable in music streaming services, enhancing user experiences by personalizing playlists and facilitating the serendipitous discovery of new music. However, the existing recommender systems overlook…

Information Retrieval · Computer Science 2023-08-29 Yunhak Oh , Sukwon Yun , Dongmin Hyun , Sein Kim , Chanyoung Park

Conversational recommender systems (CRS) have shown great success in accurately capturing a user's current and detailed preference through the multi-round interaction cycle while effectively guiding users to a more personalized…

Information Retrieval · Computer Science 2022-08-23 Allen Lin , Jianling Wang , Ziwei Zhu , James Caverlee

Recommender systems have shown great potential to address information overload problem, namely to help users in finding interesting and relevant objects within a huge information space. Some physical dynamics, including heat conduction…

Data Analysis, Statistics and Probability · Physics 2011-07-04 Linyuan Lu , Weiping Liu

Modern recommender systems operate in uniquely dynamic settings: user interests, item pools, and popularity trends shift continuously, and models must adapt in real time without forgetting past preferences. While existing tutorials on…

Information Retrieval · Computer Science 2025-07-08 Hyunsik Yoo , SeongKu Kang , Hanghang Tong

Recommender systems (RSs) are software tools and algorithms developed to alleviate the problem of information overload, which makes it difficult for a user to make right decisions. Two main paradigms toward the recommendation problem are…

Information Retrieval · Computer Science 2021-05-24 Mehdi Afsar , Trafford Crump , Behrouz Far

Recommendation algorithms play a pivotal role in shaping our media choices, which makes it crucial to comprehend their long-term impact on user behavior. These algorithms are often linked to two critical outcomes: homogenization, wherein…

Computers and Society · Computer Science 2024-03-11 Md Sanzeed Anwar , Grant Schoenebeck , Paramveer S. Dhillon

Recommender systems often rely on models which are trained to maximize accuracy in predicting user preferences. When the systems are deployed, these models determine the availability of content and information to different users. The gap…

Machine Learning · Computer Science 2021-02-02 Sarah Dean , Sarah Rich , Benjamin Recht