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Related papers: Research on Conversational Recommender System Cons…

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Context: User intent modeling is a crucial process in Natural Language Processing that aims to identify the underlying purpose behind a user's request, enabling personalized responses. With a vast array of approaches introduced in the…

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

Connecting conversation with external domain knowledge is vital for conversational recommender systems (CRS) to correctly understand user preferences. However, existing solutions either require domain-specific engineering, which limits…

Information Retrieval · Computer Science 2025-09-29 Dayu Yang , Hui Fang

We present an extensible user simulation toolkit to facilitate automatic evaluation of conversational recommender systems. It builds on an established agenda-based approach and extends it with several novel elements, including user…

Information Retrieval · Computer Science 2023-01-25 Jafar Afzali , Aleksander Mark Drzewiecki , Krisztian Balog , Shuo Zhang

Recent advances in pretrained language models (PLMs) have significantly improved conversational recommender systems (CRS), enabling more fluent and context-aware interactions. To further enhance accuracy and mitigate hallucination, many…

Artificial Intelligence · Computer Science 2025-11-18 Yongwen Ren , Chao Wang , Peng Du , Chuan Qin , Dazhong Shen , Hui Xiong

Click-through rate (CTR) prediction, which predicts the probability of a user clicking an ad, is a fundamental task in recommender systems. The emergence of heterogeneous information, such as user profile and behavior sequences, depicts…

Conversational recommender systems (CRS) aim to timely trace the dynamic interests of users through dialogues and generate relevant responses for item recommendations. Recently, various external knowledge bases (especially knowledge graphs)…

Artificial Intelligence · Computer Science 2023-07-21 Wendi Li , Wei Wei , Xiaoye Qu , Xian-Ling Mao , Ye Yuan , Wenfeng Xie , Dangyang Chen

Group decision-making is becoming increasingly common in areas such as education, dining, travel, and finance, where collaborative choices must balance diverse individual preferences. While conventional recommender systems are effective in…

Machine Learning · Computer Science 2025-04-01 Ngoc Luyen Le , Marie-Hélène Abel

Recommender systems are one of the most successful applications of machine learning and data science. They are successful in a wide variety of application domains, including e-commerce, media streaming content, email marketing, and…

Information Retrieval · Computer Science 2023-04-04 Juan Pablo Equihua , Maged Ali , Henrik Nordmark , Berthold Lausen

The rapid evolution of e-commerce has exposed the limitations of traditional product retrieval systems in managing complex, multi-turn user interactions. Recent advances in multimodal generative retrieval -- particularly those leveraging…

Bundle recommender systems recommend sets of items (e.g., pants, shirt, and shoes) to users, but they often suffer from two issues: significant interaction sparsity and a large output space. In this work, we extend multi-round…

Information Retrieval · Computer Science 2022-07-27 Zhankui He , Handong Zhao , Tong Yu , Sungchul Kim , Fan Du , Julian McAuley

Sequential recommendation methods are increasingly important in cutting-edge recommender systems. Through leveraging historical records, the systems can capture user interests and perform recommendations accordingly. State-of-the-art…

Information Retrieval · Computer Science 2023-08-10 Chong Liu , Xiaoyang Liu , Rongqin Zheng , Lixin Zhang , Xiaobo Liang , Juntao Li , Lijun Wu , Min Zhang , Leyu Lin

The motivations of users to make interactions can be divided into static preference and dynamic interest. To accurately model user representations over time, recent studies in sequential recommendation utilize information propagation and…

Information Retrieval · Computer Science 2023-09-19 Qingtian Bian , Jiaxing Xu , Hui Fang , Yiping Ke

Knowledge graphs (KGs) have become important auxiliary information for helping recommender systems obtain a good understanding of user preferences. Despite recent advances in KG-based recommender systems, existing methods are prone to…

Information Retrieval · Computer Science 2023-04-25 Xuhui Ren , Wei Yuan , Tong Chen , Chaoqun Yang , Quoc Viet Hung Nguyen , Hongzhi Yin

While recommender systems (RSs) traditionally rely on extensive individual user data, regulatory and technological shifts necessitate reliance on aggregated user information. This shift significantly impacts the recommendation process,…

Information Retrieval · Computer Science 2025-02-27 Gur Keinan , Omer Ben-Porat

Existing conversational recommendation (CR) systems usually suffer from insufficient item information when conducted on short dialogue history and unfamiliar items. Incorporating external information (e.g., reviews) is a potential solution…

Computation and Language · Computer Science 2021-06-03 Yu Lu , Junwei Bao , Yan Song , Zichen Ma , Shuguang Cui , Youzheng Wu , Xiaodong He

We propose a reinforcement learning-based approach to optimize conversational strategies for product recommendation across diverse industries. As organizations increasingly adopt intelligent agents to support sales and service operations,…

Information Retrieval · Computer Science 2025-07-03 Kang Liu

Recently, there has been growing interest in developing the next-generation recommender systems (RSs) based on pretrained large language models (LLMs). However, the semantic gap between natural language and recommendation tasks is still not…

Information Retrieval · Computer Science 2024-02-23 Yaochen Zhu , Liang Wu , Qi Guo , Liangjie Hong , Jundong Li

A personalized conversational sales agent could have much commercial potential. E-commerce companies such as Amazon, eBay, JD, Alibaba etc. are piloting such kind of agents with their users. However, the research on this topic is very…

Information Retrieval · Computer Science 2018-06-11 Yueming Sun , Yi Zhang

Cognitive Restructuring (CR) is a psychotherapeutic process aimed at identifying and restructuring an individual's negative thoughts, arising from mental health challenges, into more helpful and positive ones via multi-turn dialogues.…