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Related papers: UserSimCRS v2: Simulation-Based Evaluation for Con…

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Large Language Model (LLM) has transformative potential in various domains, including recommender systems (RS). There have been a handful of research that focuses on empowering the RS by LLM. However, previous efforts mainly focus on LLM as…

Information Retrieval · Computer Science 2025-03-11 Qidong Liu , Xiangyu Zhao , Yuhao Wang , Yejing Wang , Zijian Zhang , Yuqi Sun , Xiang Li , Maolin Wang , Pengyue Jia , Chong Chen , Wei Huang , Feng Tian

The application of large language models (LLMs) in recommendation systems has recently gained traction. Traditional recommendation systems often lack explainability and suffer from issues such as popularity bias. Previous research has also…

Information Retrieval · Computer Science 2025-12-04 Yaqi Wang , Haojia Sun , Shuting Zhang

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

The construction of effective Recommender Systems (RS) is a complex process, mainly due to the nature of RSs which involves large scale software-systems and human interactions. Iterative development processes require deep understanding of a…

Machine Learning · Computer Science 2021-09-15 Lucas Bernardi , Sakshi Batra , Cintia Alicia Bruscantini

Conversational recommender systems (CRSs) are designed to suggest the target item that the user is likely to prefer through multi-turn conversations. Recent studies stress that capturing sentiments in user conversations improves…

Information Retrieval · Computer Science 2025-07-30 Heejin Kook , Junyoung Kim , Seongmin Park , Jongwuk Lee

Conversational Recommender Systems (CRSs) aim to provide personalized recommendations through multi-turn natural language interactions with users. Given the strong interaction and reasoning skills of Large Language Models (LLMs), leveraging…

Computation and Language · Computer Science 2025-10-02 Xiaoyan Zhao , Ming Yan , Yang Zhang , Yang Deng , Jian Wang , Fengbin Zhu , Yilun Qiu , Hong Cheng , Tat-Seng Chua

The growing ubiquity of Extended Reality (XR) is driving Conversational Recommendation Systems (CRS) toward visually immersive experiences. We formalize this paradigm as Immersive CRS (ICRS), where recommended items are highlighted directly…

Information Retrieval · Computer Science 2026-04-14 Jiazhou Liang , Yifan Simon Liu , David Guo , Minqi Sun , Yilun Jiang , Scott Sanner

Conversational Recommender Systems (CRS) has become an emerging research topic seeking to perform recommendations through interactive conversations, which generally consist of generation and recommendation modules. Prior work on CRS tends…

Computation and Language · Computer Science 2022-09-26 Lingzhi Wang , Shafiq Joty , Wei Gao , Xingshan Zeng , Kam-Fai Wong

Conversational recommendation system (CRS) is emerging as a user-friendly way to capture users' dynamic preferences over candidate items and attributes. Multi-shot CRS is designed to make recommendations multiple times until the user either…

Information Retrieval · Computer Science 2022-07-04 Yinan Zhang , Boyang Li , Yong Liu , You Yuan , Chunyan Miao

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

This survey aims at providing a comprehensive overview of the recent trends in the field of modeling and simulation (M&S) of interactions between users and recommender systems and applications of the M&S to the performance improvement of…

Recent advancements in Large Language Models (LLMs) have significantly enhanced conversational agents, making them applicable to various fields (e.g., education, entertainment). Despite their progress, the evaluation of the agents often…

Computation and Language · Computer Science 2025-09-29 Jiho Kim , Woosog Chay , Hyeonji Hwang , Daeun Kyung , Hyunseung Chung , Eunbyeol Cho , Yeonsu Kwon , Yohan Jo , Edward Choi

Recent approaches in Conversational Recommender Systems (CRSs) have tried to simulate real-world users engaging in conversations with CRSs to create more realistic testing environments that reflect the complexity of human-agent dialogue.…

Information Retrieval · Computer Science 2025-10-23 Sunghwan Kim , Kwangwook Seo , Tongyoung Kim , Jinyoung Yeo , Dongha Lee

Recommender systems are embracing conversational technologies to obtain user preferences dynamically, and to overcome inherent limitations of their static models. A successful Conversational Recommender System (CRS) requires proper handling…

Information Retrieval · Computer Science 2020-02-24 Wenqiang Lei , Xiangnan He , Yisong Miao , Qingyun Wu , Richang Hong , Min-Yen Kan , Tat-Seng Chua

User simulation has been a cost-effective technique for evaluating conversational recommender systems. However, building a human-like simulator is still an open challenge. In this work, we focus on how users reformulate their utterances…

Information Retrieval · Computer Science 2022-05-05 Shuo Zhang , Mu-Chun Wang , Krisztian Balog

Large-scale language models (LLMs), such as ChatGPT, are becoming increasingly sophisticated and exhibit human-like capabilities, playing an essential role in assisting humans in a variety of everyday tasks. An important application of AI…

Computers and Society · Computer Science 2023-12-07 Yugen Sato , Taisei Nakajima , Tatsuki Kawamoto , Tomohiro Takagi

In contrast to single-user recommender systems, group recommender systems are designed to generate and explain recommendations for groups. This group-oriented setting introduces additional complexities, as several factors - absent in…

User simulators are essential for training reinforcement learning (RL) based dialog models. The performance of the simulator directly impacts the RL policy. However, building a good user simulator that models real user behaviors is…

Computation and Language · Computer Science 2019-09-05 Weiyan Shi , Kun Qian , Xuewei Wang , Zhou Yu

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

Inspired by the exceptional general intelligence of Large Language Models (LLMs), researchers have begun to explore their application in pioneering the next generation of recommender systems - systems that are conversational, explainable,…

Information Retrieval · Computer Science 2024-08-06 Wensheng Lu , Jianxun Lian , Wei Zhang , Guanghua Li , Mingyang Zhou , Hao Liao , Xing Xie