English
Related papers

Related papers: Collaborative Large Language Model for Recommender…

200 papers

Recommender systems are the cornerstone of today's information dissemination, yet a disconnect between offline metrics and online performance greatly hinders their development. Addressing this challenge, we envision a recommendation…

Information Retrieval · Computer Science 2024-11-11 An Zhang , Yuxin Chen , Leheng Sheng , Xiang Wang , Tat-Seng Chua

Conversational Recommender System (CRS) interacts with users through natural language to understand their preferences and provide personalized recommendations in real-time. CRS has demonstrated significant potential, prompting researchers…

Artificial Intelligence · Computer Science 2024-03-26 Lixi Zhu , Xiaowen Huang , Jitao Sang

Recent advancements in recommendation systems have shifted towards more comprehensive and personalized recommendations by utilizing large language models (LLM). However, effectively integrating LLM's commonsense knowledge and reasoning…

Information Retrieval · Computer Science 2023-08-22 Zhixuan Chu , Hongyan Hao , Xin Ouyang , Simeng Wang , Yan Wang , Yue Shen , Jinjie Gu , Qing Cui , Longfei Li , Siqiao Xue , James Y Zhang , Sheng Li

Conversational Recommender Systems (CRSs) aim to provide personalized recommendations by interacting with users through conversations. Most existing studies of CRS focus on extracting user preferences from conversational contexts. However,…

Information Retrieval · Computer Science 2025-04-28 Yibiao Wei , Jie Zou , Weikang Guo , Guoqing Wang , Xing Xu , Yang Yang

Modern recommender systems struggle to effectively utilize the rich, yet high-dimensional and noisy, multi-modal features generated by Large Language Models (LLMs). Treating these features as static inputs decouples them from the core…

Information Retrieval · Computer Science 2025-12-02 Jiahao Tian , Zhenkai Wang

Generative recommendation based on Large Language Models (LLMs) have transformed the traditional ranking-based recommendation style into a text-to-text generation paradigm. However, in contrast to standard NLP tasks that inherently operate…

Information Retrieval · Computer Science 2024-05-20 Juntao Tan , Shuyuan Xu , Wenyue Hua , Yingqiang Ge , Zelong Li , Yongfeng Zhang

Conversational recommender systems (CRSs) integrate both recommendation and dialogue tasks, making their evaluation uniquely challenging. Existing approaches primarily assess CRS performance by separately evaluating item recommendation and…

Information Retrieval · Computer Science 2026-01-27 Nuo Chen , Quanyu Dai , Xiaoyu Dong , Piaohong Wang , Qinglin Jia , Zhaocheng Du , Zhenhua Dong , Xiao-Ming Wu

Recommender systems are essential for guiding users through the vast and diverse landscape of digital content by delivering personalized and relevant suggestions. However, improving both personalization and interpretability remains a…

Information Retrieval · Computer Science 2025-08-05 Danial Ebrat , Tina Aminian , Sepideh Ahmadian , Luis Rueda

In large language models (LLM)-based recommendation systems (LLM-RSs), accurately predicting user preferences by leveraging the general knowledge of LLMs is possible without requiring extensive training data. By converting recommendation…

Information Retrieval · Computer Science 2024-12-20 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Conversational recommender systems (CRSs) enhance recommendation quality by engaging users in multi-turn dialogues, capturing nuanced preferences through natural language interactions. However, these systems often face the false negative…

Information Retrieval · Computer Science 2025-08-11 Haozhe Xu , Xiaohua Wang , Changze Lv , Xiaoqing Zheng

Conversational recommender systems (CRS) aim to recommend suitable items to users through natural language conversations. For developing effective CRSs, a major technical issue is how to accurately infer user preference from very limited…

Computation and Language · Computer Science 2023-05-31 Yuanhang Zhou , Kun Zhou , Wayne Xin Zhao , Cheng Wang , Peng Jiang , He Hu

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

Information Retrieval · Computer Science 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

The advancement of large language models (LLMs) now allows users to actively interact with conversational recommendation systems (CRS) and build their own personalized recommendation services tailored to their unique needs and goals. This…

Human-Computer Interaction · Computer Science 2025-02-25 Sojeong Yun , Youn-kyung Lim

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

Cross-domain Sequential Recommendation (CDSR) aims to extract the preference from the user's historical interactions across various domains. Despite some progress in CDSR, two problems set the barrier for further advancements, i.e., overlap…

Information Retrieval · Computer Science 2025-04-28 Qidong Liu , Xiangyu Zhao , Yejing Wang , Zijian Zhang , Howard Zhong , Chong Chen , Xiang Li , Wei Huang , Feng Tian

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

Harnessing Large Language Models (LLMs) for recommendation is rapidly emerging, which relies on two fundamental steps to bridge the recommendation item space and the language space: 1) item indexing utilizes identifiers to represent items…

Information Retrieval · Computer Science 2024-07-26 Xinyu Lin , Wenjie Wang , Yongqi Li , Fuli Feng , See-Kiong Ng , Tat-Seng Chua

In this paper, we address the lifelong sequential behavior incomprehension problem in large language models (LLMs) for recommendation, where LLMs struggle to extract useful information from long user behavior sequences, even within their…

Information Retrieval · Computer Science 2025-01-24 Rong Shan , Jiachen Zhu , Jianghao Lin , Chenxu Zhu , Bo Chen , Ruiming Tang , Yong Yu , Weinan Zhang

Conversational Recommender Systems (CRSs) have emerged as a transformative paradigm for offering personalized recommendations through natural language dialogue. However, they face challenges with knowledge sparsity, as users often provide…

Computation and Language · Computer Science 2025-03-11 Zhangchi Qiu , Linhao Luo , Zicheng Zhao , Shirui Pan , Alan Wee-Chung Liew

Large Language Models (LLMs) have recently emerged as a powerful backbone for recommender systems. Existing LLM-based recommender systems take two different approaches for representing items in natural language, i.e., Attribute-based…

Information Retrieval · Computer Science 2026-03-03 Kibum Kim , Sein Kim , Hongseok Kang , Jiwan Kim , Heewoong Noh , Yeonjun In , Kanghoon Yoon , Jinoh Oh , Julian McAuley , Chanyoung Park