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Conversational recommender systems (CRS) generate recommendations through an interactive process. However, not all CRS approaches use human conversations as their source of interaction data; the majority of prior CRS work simulates…

Computation and Language · Computer Science 2023-09-15 Chuang Li , Hengchang Hu , Yan Zhang , Min-Yen Kan , Haizhou Li

While Conversational Recommender Systems (CRS) have matured technically, they frequently lack principled methods for encoding latent experiential aims as adaptive state variables. Consequently, contemporary architectures often prioritise…

Human-Computer Interaction · Computer Science 2026-01-13 Raj Mahmud , Shlomo Berkovsky , Mukesh Prasad , A. Baki Kocaballi

Conversational recommender systems (CRS) are interactive agents that support their users in recommendation-related goals through multi-turn conversations. Generally, a CRS can be evaluated in various dimensions. Today's CRS mainly rely on…

Human-Computer Interaction · Computer Science 2022-09-08 Ahtsham Manzoor , Dietmar jannach

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limited conversation context and background knowledge, existing…

Computation and Language · Computer Science 2024-05-02 Zhangchi Qiu , Ye Tao , Shirui Pan , Alan Wee-Chung Liew

In recent years, the emerging topics of recommender systems that take advantage of natural language processing techniques have attracted much attention, and one of their applications is the Conversational Recommender System (CRS). Unlike…

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

Conversational Recommender Systems (CRSs)aim to engage users in dialogue to provide tailored recommendations. While traditional CRSs focus on eliciting preferences and retrieving items, real-world e-commerce interactions involve more…

Information Retrieval · Computer Science 2025-08-08 Tongyoung Kim , Jeongeun Lee , Soojin Yoon , Sunghwan Kim , Dongha Lee

Conversational Recommender Systems (CRSs) have garnered attention as a novel approach to delivering personalized recommendations through multi-turn dialogues. This review developed a taxonomy framework to systematically categorize relevant…

Human-Computer Interaction · Computer Science 2025-06-26 Haoran Zhang , Xin Zhao , Jinze Chen , Junpeng Guo

Recommender Systems (RS) have significantly advanced online content filtering and personalized decision-making. However, emerging vulnerabilities in RS have catalyzed a paradigm shift towards Trustworthy RS (TRS). Despite substantial…

Information Retrieval · Computer Science 2025-02-19 Jin Li , Shoujin Wang , Qi Zhang , Longbing Cao , Fang Chen , Xiuzhen Zhang , Dietmar Jannach , Charu C. Aggarwal

Modern language models address complex questions through chain-of-thought (CoT) reasoning (Wei et al., 2023) and retrieval augmentation (Lewis et al., 2021), yet struggle with error propagation and knowledge integration. Tree-structured…

Artificial Intelligence · Computer Science 2025-09-29 Ahmed Bahloul , Simon Malberg

Conversational interfaces provide a flexible and easy way for users to seek information that may otherwise be difficult or inconvenient to obtain. However, existing interfaces generally fall into one of two categories: FAQs, where users…

Computation and Language · Computer Science 2024-03-27 Dirk Väth , Lindsey Vanderlyn , Ngoc Thang Vu

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…

Information Retrieval · Computer Science 2023-05-31 Shuyu Guo , Shuo Zhang , Weiwei Sun , Pengjie Ren , Zhumin Chen , Zhaochun Ren

Conversational recommender systems (CRSs) provide users with an interactive means to express preferences and receive real-time personalized recommendations. The success of these systems is heavily influenced by the preference elicitation…

Human-Computer Interaction · Computer Science 2025-04-22 Ivica Kostric , Krisztian Balog , Ujwal Gadiraju

Medical Relation Extraction (MRE) task aims to extract relations between entities in medical texts. Traditional relation extraction methods achieve impressive success by exploring the syntactic information, e.g., dependency tree. However,…

Computation and Language · Computer Science 2022-08-30 Yifan Jin , Jiangmeng Li , Zheng Lian , Chengbo Jiao , Xiaohui Hu

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 (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

In real practice, questions are typically complex and knowledge-intensive, requiring Large Language Models (LLMs) to recognize the multifaceted nature of the question and reason across multiple information sources. Iterative and adaptive…

Computation and Language · Computer Science 2025-12-05 Boyi Zhang , Zhuo Liu , Hangfeng He

Conversational recommender systems (CRS) aim to provide personalized recommendations via interactive dialogues with users. While large language models (LLMs) enhance CRS with their superior understanding of context-aware user preferences,…

Information Retrieval · Computer Science 2025-02-21 Yaochen Zhu , Chao Wan , Harald Steck , Dawen Liang , Yesu Feng , Nathan Kallus , Jundong Li

Conversational recommender system (CRS), which combines the techniques of dialogue system and recommender system, has obtained increasing interest recently. In contrast to traditional recommender system, it learns the user preference better…

Information Retrieval · Computer Science 2024-08-05 Yunwen Xia , Hui Fang , Jie Zhang , Chong Long

End-to-end conversational recommendation systems (CRS) generate responses by leveraging both dialog history and a knowledge base (KB). A CRS mainly faces three key challenges: (1) at each turn, it must decide if recommending a KB entity is…

Computation and Language · Computer Science 2023-11-16 Harshvardhan Srivastava , Kanav Pruthi , Soumen Chakrabarti , Mausam