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Recommendation Systems (RS) are often plagued by popularity bias. When training a recommendation model on a typically long-tailed dataset, the model tends to not only inherit this bias but often exacerbate it, resulting in…

Information Retrieval · Computer Science 2025-04-15 Siyi Lin , Chongming Gao , Jiawei Chen , Sheng Zhou , Binbin Hu , Yan Feng , Chun Chen , Can Wang

Recommender systems have become an integral part of our daily online experience by analyzing past user behavior to suggest relevant content in entertainment domains such as music, movies, and books. Today, they are among the most widely…

Information Retrieval · Computer Science 2025-05-14 Dominik Kowald

Recommender systems (RSs) have emerged as very useful tools to help customers with their decision-making process, find items of their interest, and alleviate the information overload problem. There are two different lines of approaches in…

Information Retrieval · Computer Science 2021-07-06 Shahpar Yakhchi

Large-scale industrial recommendation models predict the most relevant items from catalogs containing millions or billions of options. To train these models efficiently, a small set of irrelevant items (negative samples) is selected from…

Information Retrieval · Computer Science 2024-10-30 Arushi Prakash , Dimitrios Bermperidis , Srivas Chennu

Large Language Models (LLMs) have emerged as powerful candidates to inform clinical decision-making processes. While these models play an increasingly prominent role in shaping the digital landscape, two growing concerns emerge in…

Computation and Language · Computer Science 2024-04-24 Raphael Poulain , Hamed Fayyaz , Rahmatollah Beheshti

Recommendation systems are ubiquitous, from Spotify playlist suggestions to Amazon product suggestions. Nevertheless, depending on the methodology or the dataset, these systems typically fail to capture user preferences and generate general…

Information Retrieval · Computer Science 2024-01-15 Angela John , Theophilus Aidoo , Hamayoon Behmanush , Irem B. Gunduz , Hewan Shrestha , Maxx Richard Rahman , Wolfgang Maaß

Large Language Models (LLMs) have been widely applied across multiple domains for their broad knowledge and strong reasoning capabilities. However, applying them to recommendation systems is challenging since it is hard for LLMs to extract…

Information Retrieval · Computer Science 2026-02-05 Yinan Zhang , Zhixi Chen , Jiazheng Jing , Zhiqi Shen

Recommender systems (RecSys) are widely used across various modern digital platforms and have garnered significant attention. Traditional recommender systems usually focus only on fixed and simple recommendation scenarios, making it…

Information Retrieval · Computer Science 2026-02-03 Jiani Huang , Shijie Wang , Liang-bo Ning , Wenqi Fan , Shuaiqiang Wang , Dawei Yin , Qing Li

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

The large language model (LLM) powered recommendation paradigm has been proposed to address the limitations of traditional recommender systems, which often struggle to handle cold start users or items with new IDs. Despite its…

Information Retrieval · Computer Science 2025-09-15 Yubo Wang , Min Tang , Nuo Shen , Shujie Cui , Weiqing Wang

Talent recruitment is a critical, yet costly process for many industries, with high recruitment costs and long hiring cycles. Existing talent recommendation systems increasingly adopt large language models (LLMs) due to their remarkable…

Computation and Language · Computer Science 2026-04-03 Silin Du , Hongyan Liu

Popularity bias is a well-known challenge in recommender systems, where a small number of popular items receive disproportionate attention, while the majority of less popular items are largely overlooked. This imbalance often results in…

Information Retrieval · Computer Science 2025-08-26 Parviz Ahmadov , Masoud Mansoury

Recent state-of-the-art recommender systems predominantly rely on either implicit or explicit feedback from users to suggest new items. While effective in recommending novel options, many recommender systems often use uninterpretable…

Information Retrieval · Computer Science 2024-07-22 Jerome Ramos , Hossen A. Rahmani , Xi Wang , Xiao Fu , Aldo Lipani

Large Language Models (LLMs) pose a new paradigm of modeling and computation for information tasks. Recommendation systems are a critical application domain poised to benefit significantly from the sequence modeling capabilities and world…

One particularly promising use case of Large Language Models (LLMs) for recommendation is the automatic generation of Natural Language (NL) user taste profiles from consumption data. These profiles offer interpretable and editable…

Information Retrieval · Computer Science 2025-07-23 Bruno Sguerra , Elena V. Epure , Harin Lee , Manuel Moussallam

Recommendation system (RS) plays significant roles in matching users information needs for Internet applications, and it usually utilizes the vanilla neural network as the backbone to handle embedding details. Recently, the large language…

Information Retrieval · Computer Science 2023-10-26 Dui Wang , Xiangyu Hou , Xiaohui Yang , Bo Zhang , Renbing Chen , Daiyue Xue

This paper explores the effectiveness of using large language models (LLMs) for personalized movie recommendations from users' perspectives in an online field experiment. Our study involves a combination of between-subject prompt and…

Information Retrieval · Computer Science 2024-05-01 Ruixuan Sun , Xinyi Li , Avinash Akella , Joseph A. Konstan

With the prosperity of e-commerce and web applications, Recommender Systems (RecSys) have become an important component of our daily life, providing personalized suggestions that cater to user preferences. While Deep Neural Networks (DNNs)…

Information Retrieval · Computer Science 2025-01-22 Zihuai Zhao , Wenqi Fan , Jiatong Li , Yunqing Liu , Xiaowei Mei , Yiqi Wang , Zhen Wen , Fei Wang , Xiangyu Zhao , Jiliang Tang , Qing Li

Large language models (LLMs) have recently received significant attention for their exceptional capabilities. Despite extensive efforts in developing general-purpose LLMs that can be utilized in various natural language processing (NLP)…

Information Retrieval · Computer Science 2023-06-08 Fan Yang , Zheng Chen , Ziyan Jiang , Eunah Cho , Xiaojiang Huang , Yanbin Lu

Large language models (LLMs) are increasingly employed for decision-support across multiple domains. We investigate whether these models display a systematic preferential bias in favor of artificial intelligence (AI) itself. Across three…

Computation and Language · Computer Science 2026-01-21 Benaya Trabelsi , Jonathan Shaki , Sarit Kraus
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