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Exploration, the act of broadening user experiences beyond their established preferences, is challenging in large-scale recommendation systems due to feedback loops and limited signals on user exploration patterns. Large Language Models…

The rise of large language models (LLMs) has opened new opportunities in Recommender Systems (RSs) by enhancing user behavior modeling and content understanding. However, current approaches that integrate LLMs into RSs solely utilize either…

Information Retrieval · Computer Science 2024-03-26 Yunjia Xi , Weiwen Liu , Jianghao Lin , Chuhan Wu , Bo Chen , Ruiming Tang , Weinan Zhang , Yong Yu

Large Language Models (LLMs) have recently garnered significant attention in various domains, including recommendation systems. Recent research leverages the capabilities of LLMs to improve the performance and user modeling aspects of…

Information Retrieval · Computer Science 2024-11-05 Lei Chen , Chen Gao , Xiaoyi Du , Hengliang Luo , Depeng Jin , Yong Li , Meng Wang

The process of matching patients with suitable clinical trials is essential for advancing medical research and providing optimal care. However, current approaches face challenges such as data standardization, ethical considerations, and a…

Computation and Language · Computer Science 2023-08-08 Jiayi Yuan , Ruixiang Tang , Xiaoqian Jiang , Xia Hu

Large-language Models (LLMs) have been extremely successful at tasks like complex dialogue understanding, reasoning and coding due to their emergent abilities. These emergent abilities have been extended with multi-modality to include…

Information Retrieval · Computer Science 2025-05-19 Li Yang , Anushya Subbiah , Hardik Patel , Judith Yue Li , Yanwei Song , Reza Mirghaderi , Vikram Aggarwal , Qifan Wang

Recent advances in Large Language Models (LLMs) have demonstrated promising performance in sequential recommendation tasks, leveraging their superior language understanding capabilities. However, existing LLM-based recommendation approaches…

Information Retrieval · Computer Science 2024-12-10 Minglai Shao , Hua Huang , Qiyao Peng , Hongtao Liu

Narrative-driven recommendation (NDR) presents an information access problem where users solicit recommendations with verbose descriptions of their preferences and context, for example, travelers soliciting recommendations for points of…

Information Retrieval · Computer Science 2023-07-24 Sheshera Mysore , Andrew McCallum , Hamed Zamani

Reinforcement Learning (RL)-based recommender systems have demonstrated promising performance in meeting user expectations by learning to make accurate next-item recommendations from historical user-item interactions. However, existing…

Information Retrieval · Computer Science 2024-03-26 Jie Wang , Alexandros Karatzoglou , Ioannis Arapakis , Joemon M. Jose

Recently, competition in the field of artificial intelligence (AI) has intensified among major technological companies, resulting in the continuous release of new large-language models (LLMs) that exhibit improved language understanding and…

Information Retrieval · Computer Science 2025-07-29 Sinnyum Choi , Woong Kim

Recommending cold items remains a significant challenge in billion-scale online recommendation systems. While warm items benefit from historical user behaviors, cold items rely solely on content features, limiting their recommendation…

Information Retrieval · Computer Science 2024-12-30 Feiran Huang , Yuanchen Bei , Zhenghang Yang , Junyi Jiang , Hao Chen , Qijie Shen , Senzhang Wang , Fakhri Karray , Philip S. Yu

Large language models (LLMs), endowed with exceptional reasoning capabilities, are adept at discerning profound user interests from historical behaviors, thereby presenting a promising avenue for the advancement of recommendation systems.…

Information Retrieval · Computer Science 2024-12-19 Guanghan Li , Xun Zhang , Yufei Zhang , Yifan Yin , Guojun Yin , Wei Lin

Recently, large language models (LLMs) have exhibited significant progress in language understanding and generation. By leveraging textual features, customized LLMs are also applied for recommendation and demonstrate improvements across…

Information Retrieval · Computer Science 2023-11-07 Zhenrui Yue , Sara Rabhi , Gabriel de Souza Pereira Moreira , Dong Wang , Even Oldridge

Serendipity-oriented recommender systems aim to counteract over-specialization in user preferences. However, evaluating a user's serendipitous response towards a recommended item can be challenging because of its emotional nature. In this…

Information Retrieval · Computer Science 2024-12-18 Yu Tokutake , Kazushi Okamoto

Recently, the powerful large language models (LLMs) have been instrumental in propelling the progress of recommender systems (RS). However, while these systems have flourished, their susceptibility to security threats has been largely…

Computation and Language · Computer Science 2024-06-06 Jinghao Zhang , Yuting Liu , Qiang Liu , Shu Wu , Guibing Guo , Liang Wang

Recent advancements in Large Language Models (LLMs) have demonstrated exceptional performance across a wide range of tasks, generating significant interest in their application to recommendation systems. However, existing methods have not…

Computation and Language · Computer Science 2025-04-28 Jieyong Kim , Hyunseo Kim , Hyunjin Cho , SeongKu Kang , Buru Chang , Jinyoung Yeo , Dongha Lee

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) are increasingly used in natural language processing tasks. Recommender systems traditionally use methods such as collaborative filtering and matrix factorization, as well as advanced techniques like deep…

Information Retrieval · Computer Science 2024-09-13 Makbule Gulcin Ozsoy

Large Language Models (LLMs) have demonstrated unprecedented language understanding and reasoning capabilities to capture diverse user preferences and advance personalized recommendations. Despite the growing interest in LLM-based…

Information Retrieval · Computer Science 2025-04-30 Zihuai Zhao , Wenqi Fan , Yao Wu , Qing Li

Consumers often heavily rely on online product reviews, analyzing both quantitative ratings and textual descriptions to assess product quality. However, existing research hasn't adequately addressed how to systematically encourage the…

Information Retrieval · Computer Science 2025-04-22 Ekta Gujral , Apurva Sinha , Lishi Ji , Bijayani Sanghamitra Mishra

As powerful tools in Natural Language Processing (NLP), Large Language Models (LLMs) have been leveraged for crafting recommendations to achieve precise alignment with user preferences and elevate the quality of the recommendations. The…

Information Retrieval · Computer Science 2025-10-20 Zhisheng Yang , Xiaofei Xu , Ke Deng , Li Li
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