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Conversational Recommendation System (CRS) is a rapidly growing research area that has gained significant attention alongside advancements in language modelling techniques. However, the current state of conversational recommendation faces…

计算与语言 · 计算机科学 2023-10-26 Xi Wang , Hossein A. Rahmani , Jiqun Liu , Emine Yilmaz

Human conversations of recommendation naturally involve the shift of interests which can align the recommendation actions and conversation process to make accurate recommendations with rich explanations. However, existing conversational…

计算与语言 · 计算机科学 2022-11-08 Jinfeng Zhou , Bo Wang , Minlie Huang , Dongming Zhao , Kun Huang , Ruifang He , Yuexian Hou

Explanations in conventional recommender systems have demonstrated benefits in helping the user understand the rationality of the recommendations and improving the system's efficiency, transparency, and trustworthiness. In the…

信息检索 · 计算机科学 2023-05-31 Shuyu Guo , Shuo Zhang , Weiwei Sun , Pengjie Ren , Zhumin Chen , Zhaochun Ren

In conversational recommender systems (CRSs), conversations usually involve a set of items and item-related entities or attributes, e.g., director is a related entity of a movie. These items and item-related entities are often mentioned…

信息检索 · 计算机科学 2024-12-04 Jie Zou , Aixin Sun , Cheng Long , Evangelos Kanoulas

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…

信息检索 · 计算机科学 2025-07-25 Maria Vlachou

There exist situations of decision-making under information overload in the Internet, where people have an overwhelming number of available options to choose from, e.g. products to buy in an e-commerce site, or restaurants to visit in a…

社会与信息网络 · 计算机科学 2021-01-14 Ivan Palomares , Carlos Porcel , Luiz Pizzato , Ido Guy , Enrique Herrera-Viedma

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…

计算与语言 · 计算机科学 2023-05-31 Yuanhang Zhou , Kun Zhou , Wayne Xin Zhao , Cheng Wang , Peng Jiang , He Hu

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…

计算与语言 · 计算机科学 2022-09-26 Lingzhi Wang , Shafiq Joty , Wei Gao , Xingshan Zeng , Kam-Fai Wong

A Conversational Recommender System (CRS) offers increased transparency and control to users by enabling them to engage with the system through a real-time multi-turn dialogue. Recently, Large Language Models (LLMs) have exhibited an…

Conversational recommender systems (CRS) aim to recommend high-quality items to users through interactive conversations. Although several efforts have been made for CRS, two major issues still remain to be solved. First, the conversation…

计算与语言 · 计算机科学 2020-07-09 Kun Zhou , Wayne Xin Zhao , Shuqing Bian , Yuanhang Zhou , Ji-Rong Wen , Jingsong Yu

Sequential Recommendation Systems (SRS) have become essential in many real-world applications. However, existing SRS methods often rely on collaborative filtering signals and fail to capture real-time user preferences, while Conversational…

信息检索 · 计算机科学 2025-09-12 Yifan Wang , Shen Gao , Jiabao Fang , Rui Yan , Billy Chiu , Shuo Shang

With the aid of large language models, current conversational recommender system (CRS) has gaining strong abilities to persuade users to accept recommended items. While these CRSs are highly persuasive, they can mislead users by…

计算与语言 · 计算机科学 2024-10-08 Peixin Qin , Chen Huang , Yang Deng , Wenqiang Lei , Tat-Seng Chua

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…

信息检索 · 计算机科学 2020-02-24 Wenqiang Lei , Xiangnan He , Yisong Miao , Qingyun Wu , Richang Hong , Min-Yen Kan , Tat-Seng Chua

Conversational Recommender Systems (CRSs) engage users in multi-turn interactions to deliver personalized recommendations. The emergence of large language models (LLMs) further enhances these systems by enabling more natural and dynamic…

计算与语言 · 计算机科学 2025-04-18 Xiaoyan Zhao , Yang Deng , Wenjie Wang , Hongzhan lin , Hong Cheng , Rui Zhang , See-Kiong Ng , Tat-Seng Chua

Training conversational recommender systems (CRS) requires extensive dialogue data, which is challenging to collect at scale. To address this, researchers have used simulated user-recommender conversations. Traditional simulation approaches…

人工智能 · 计算机科学 2026-03-20 Jerome Ramos , Feng Xia , Xi Wang , Shubham Chatterjee , Xiao Fu , Hossein A. Rahmani , Aldo Lipani

In this paper, we present a systematic effort to design, evaluate, and implement a realistic conversational recommender system (CRS). The objective of our system is to allow users to input free-form text to request recommendations, and then…

人工智能 · 计算机科学 2025-01-03 Se-eun Yoon , Xiaokai Wei , Yexi Jiang , Rachit Pareek , Frank Ong , Kevin Gao , Julian McAuley , Michelle Gong

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,…

信息检索 · 计算机科学 2025-04-28 Yibiao Wei , Jie Zou , Weikang Guo , Guoqing Wang , Xing Xu , Yang Yang

Conversational recommender systems (CRS) enable the traditional recommender systems to explicitly acquire user preferences towards items and attributes through interactive conversations. Reinforcement learning (RL) is widely adopted to…

信息检索 · 计算机科学 2021-05-21 Yang Deng , Yaliang Li , Fei Sun , Bolin Ding , Wai Lam

Conversational recommender systems (CRSs) aim to capture user preferences and provide personalized recommendations through multi-round natural language dialogues. However, most existing CRS models mainly focus on dialogue comprehension and…

信息检索 · 计算机科学 2024-07-09 Yunjia Xi , Weiwen Liu , Jianghao Lin , Bo Chen , Ruiming Tang , Weinan Zhang , Yong Yu

The emerging topic of sequential recommender systems has attracted increasing attention in recent years.Different from the conventional recommender systems including collaborative filtering and content-based filtering, SRSs try to…

信息检索 · 计算机科学 2020-01-15 Shoujin Wang , Liang Hu , Yan Wang , Longbing Cao , Quan Z. Sheng , Mehmet Orgun