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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

Persuasion dialogue systems reflect the machine's ability to make strategic moves beyond verbal communication, and therefore differentiate themselves from task-oriented or open-domain dialogue systems and have their own unique values.…

Computation and Language · Computer Science 2022-10-25 Weiyan Shi , Yu Li , Saurav Sahay , Zhou Yu

In Conversational Recommendation Systems (CRS), a user provides feedback on recommended items at each turn, leading the CRS towards improved recommendations. Due to the need for a large amount of data, a user simulator is employed for both…

Information Retrieval · Computer Science 2025-07-25 Maria Vlachou

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

Large Language Models (LLMs) have emerged as formidable instruments capable of comprehending and producing human-like text. This paper explores the potential of LLMs, to shape user perspectives and subsequently influence their decisions on…

Artificial Intelligence · Computer Science 2024-09-04 Ganesh Prasath Ramani , Shirish Karande , Santhosh V , Yash Bhatia

Synthetic users are cost-effective proxies for real users in the evaluation of conversational recommender systems. Large language models show promise in simulating human-like behavior, raising the question of their ability to represent a…

Computation and Language · Computer Science 2024-03-27 Se-eun Yoon , Zhankui He , Jessica Maria Echterhoff , Julian McAuley

Recommender models excel at providing domain-specific item recommendations by leveraging extensive user behavior data. Despite their ability to act as lightweight domain experts, they struggle to perform versatile tasks such as providing…

Information Retrieval · Computer Science 2024-01-31 Xu Huang , Jianxun Lian , Yuxuan Lei , Jing Yao , Defu Lian , Xing Xie

With growing capabilities of large language models (LLMs) comes growing affordances for human-like and context-aware conversational partners. On from this, some recent work has investigated the use of LLMs to simulate multiple…

Human-Computer Interaction · Computer Science 2023-12-29 Samuel Rhys Cox

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

Recent advancements in explainable recommendation have greatly bolstered user experience by elucidating the decision-making rationale. However, the existing methods actually fail to provide effective feedback signals for potentially better…

Information Retrieval · Computer Science 2025-08-08 Jiakai Tang , Jingsen Zhang , Zihang Tian , Xueyang Feng , Lei Wang , Xu Chen

The conversational recommender systems (CRSs) have received extensive attention in recent years. However, most of the existing works focus on various deep learning models, which are largely limited by the requirement of large-scale…

Information Retrieval · Computer Science 2022-03-21 Jun Quan , Ze Wei , Qiang Gan , Jingqi Yao , Jingyi Lu , Yuchen Dong , Yiming Liu , Yi Zeng , Chao Zhang , Yongzhi Li , Huang Hu , Yingying He , Yang Yang , Daxin Jiang

Traditional recommender systems (RS) typically use user-item rating histories as their main data source. However, deep generative models now have the capability to model and sample from complex data distributions, including user-item…

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

Recently, various methods have been proposed to create open-domain conversational agents with Large Language Models (LLMs). These models are able to answer user queries, but in a one-way Q&A format rather than a true conversation.…

Computation and Language · Computer Science 2024-07-02 Ahmed Njifenjou , Virgile Sucal , Bassam Jabaian , Fabrice Lefèvre

Conversational recommender systems (CRS) aim to provide highquality recommendations in conversations. However, most conventional CRS models mainly focus on the dialogue understanding of the current session, ignoring other rich multi-aspect…

Information Retrieval · Computer Science 2022-04-26 Shuokai Li , Ruobing Xie , Yongchun Zhu , Xiang Ao , Fuzhen Zhuang , Qing He

The ideal conversational recommender system (CRS) acts like a savvy salesperson, adapting its language and suggestions to each user's level of expertise. However, most current systems treat all users as experts, leading to frustrating and…

Information Retrieval · Computer Science 2025-12-16 Ivica Kostric , Ujwal Gadiraju , Krisztian Balog

As Large Language Models (LLMs) evolve from static dialogue interfaces to autonomous general agents, effective memory is paramount to ensuring long-term consistency. However, existing benchmarks primarily focus on casual conversation or…

Computation and Language · Computer Science 2026-01-13 Haonan Bian , Zhiyuan Yao , Sen Hu , Zishan Xu , Shaolei Zhang , Yifu Guo , Ziliang Yang , Xueran Han , Huacan Wang , Ronghao Chen

Large language models (LLMs) exhibit enhanced capabilities in language understanding and generation. By utilizing their embedded knowledge, LLMs are increasingly used as conversational recommender systems (CRS), achieving improved…

Information Retrieval · Computer Science 2026-04-14 Zhenrui Yue , Honglei Zhuang , Zhen Qin , Zhankui He , Huimin Zeng , Julian McAuley , Dong Wang

This study presents a framework for conducting psychological and linguistic research through simulated conversations using large language models (LLMs). The proposed methodology offers significant advantages, particularly for simulating…

Computers and Society · Computer Science 2024-03-12 Frank Tian-fang Ye , Xiaozi Gao

Conversational recommender systems (CRS) aim to employ natural language conversations to suggest suitable products to users. Understanding user preferences for prospective items and learning efficient item representations are crucial for…

Information Retrieval · Computer Science 2022-12-16 Dongding Lin , Jian Wang , Wenjie Li