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Related papers: Federated Conversational Recommender System

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Sequential recommendation is an advanced recommendation technique that utilizes the sequence of user behaviors to generate personalized suggestions by modeling the temporal dependencies and patterns in user preferences. However, it requires…

Information Retrieval · Computer Science 2025-04-09 Yichen Li , Qiyu Qin , Gaoyang Zhu , Wenchao Xu , Haozhao Wang , Yuhua Li , Rui Zhang , Ruixuan Li

In recent years, conversational recommender system (CRS) has received much attention in the research community. However, existing studies on CRS vary in scenarios, goals and techniques, lacking unified, standardized implementation or…

Computation and Language · Computer Science 2021-01-05 Kun Zhou , Xiaolei Wang , Yuanhang Zhou , Chenzhan Shang , Yuan Cheng , Wayne Xin Zhao , Yaliang Li , Ji-Rong Wen

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…

Information Retrieval · Computer Science 2021-05-21 Yang Deng , Yaliang Li , Fei Sun , Bolin Ding , Wai Lam

Conversational recommendation system (CRS) is able to obtain fine-grained and dynamic user preferences based on interactive dialogue. Previous CRS assumes that the user has a clear target item. However, for many users who resort to CRS,…

Information Retrieval · Computer Science 2022-02-08 Yiming Zhang , Lingfei Wu , Qi Shen , Yitong Pang , Zhihua Wei , Fangli Xu , Bo Long , Jian Pei

Conversational Recommender Systems (CRS) engage users in interactive dialogues to gather preferences and provide personalized recommendations. While existing studies have advanced conversational strategies, they often rely on predefined…

Information Retrieval · Computer Science 2025-04-16 Haibo Sun , Naoki Otani , Hannah Kim , Dan Zhang , Nikita Bhutani

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…

Computation and Language · Computer Science 2024-10-08 Peixin Qin , Chen Huang , Yang Deng , Wenqiang Lei , Tat-Seng Chua

Collaborative filtering recommendation systems provide recommendations to users based on their own past preferences, as well as those of other users who share similar interests. The use of recommendation systems has grown widely in recent…

Cryptography and Security · Computer Science 2020-03-19 Islam Elnabarawy , Wei Jiang , Donald C. Wunsch

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…

Social and Information Networks · Computer Science 2021-01-14 Ivan Palomares , Carlos Porcel , Luiz Pizzato , Ido Guy , Enrique Herrera-Viedma

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

Recommender systems (RSs) have emerged as very useful tools to help customers with their decision-making process, find items of their interest, and alleviate the information overload problem. There are two different lines of approaches in…

Information Retrieval · Computer Science 2021-07-06 Shahpar Yakhchi

A recommender system (RS) aims to provide users with personalized item recommendations, enhancing their overall experience. Traditional RSs collect and process all user data on a central server. However, this centralized approach raises…

Machine Learning · Computer Science 2025-04-22 Junxiang Gao , Yixin Ran , Jia Chen

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

In Conversational Recommendation Systems (CRS), the central question is how the conversational agent can naturally ask for user preferences and provide suitable recommendations. Existing works mainly follow the hierarchical architecture,…

Computation and Language · Computer Science 2023-10-24 Xian Li , Hongguang Shi , Yunfei Wang , Yeqin Zhang , Xubin Li , Cam-Tu Nguyen

Conversational recommendation systems (CRS) aim to recommend suitable items to users through natural language conversation. However, most CRS approaches do not effectively utilize the signal provided by these conversations. They rely…

Computation and Language · Computer Science 2023-05-24 Raghav Gupta , Renat Aksitov , Samrat Phatale , Simral Chaudhary , Harrison Lee , Abhinav Rastogi

The growing popularity of language models has sparked interest in conversational recommender systems (CRS) within both industry and research circles. However, concerns regarding biases in these systems have emerged. While individual…

Information Retrieval · Computer Science 2023-09-07 Armin Moradi , Golnoosh Farnadi

Integrating Foundation Models (FMs) into recommendation systems is an emerging and promising research direction. However, centralized paradigms face growing pressure from privacy concerns and strict regulatory requirements. Federated…

Machine Learning · Computer Science 2026-05-08 Zhiwei Li , Guodong Long , Chunxu Zhang , Honglei Zhang , Jing Jiang , Chengqi Zhang

Personalization stands as the cornerstone of recommender systems (RecSys), striving to sift out redundant information and offer tailor-made services for users. However, the conventional cloud-based RecSys necessitates centralized data…

Information Retrieval · Computer Science 2024-12-12 Jing Jiang , Chunxu Zhang , Honglei Zhang , Zhiwei Li , Yidong Li , Bo Yang

Recommender Systems (RSs) have become increasingly important in many application domains, such as digital marketing. Conventional RSs often need to collect users' data, centralize them on the server-side, and form a global model to generate…

Information Retrieval · Computer Science 2022-12-20 Qi Le , Enmao Diao , Xinran Wang , Ali Anwar , Vahid Tarokh , Jie Ding

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

Recommender systems are quintessential applications of human-computer interaction. Widely utilized in daily life, they offer significant convenience but also present numerous challenges, such as the information cocoon effect, privacy…

Information Retrieval · Computer Science 2024-11-25 Kaike Zhang , Yunfan Wu , Yougang lyu , Du Su , Yingqiang Ge , Shuchang Liu , Qi Cao , Zhaochun Ren , Fei Sun