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Related papers: Advances and Challenges in Conversational Recommen…

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Conversational recommendation systems (CRS) engage with users by inferring user preferences from dialog history, providing accurate recommendations, and generating appropriate responses. Previous CRSs use knowledge graph (KG) based…

Computation and Language · Computer Science 2021-12-16 Bowen Yang , Cong Han , Yu Li , Lei Zuo , Zhou Yu

Large Language Models (LLMs) have demonstrated great potential in Conversational Recommender Systems (CRS). However, the application of LLMs to CRS has exposed a notable discrepancy in behavior between LLM-based CRS and human recommenders:…

Information Retrieval · Computer Science 2024-10-21 Dayu Yang , Fumian Chen , Hui Fang

Modern recommender systems operate in uniquely dynamic settings: user interests, item pools, and popularity trends shift continuously, and models must adapt in real time without forgetting past preferences. While existing tutorials on…

Information Retrieval · Computer Science 2025-07-08 Hyunsik Yoo , SeongKu Kang , Hanghang Tong

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

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…

Computation and Language · Computer Science 2022-11-08 Jinfeng Zhou , Bo Wang , Minlie Huang , Dongming Zhao , Kun Huang , Ruifang He , Yuexian Hou

Conversational Recommender Systems (CRSs) leverage natural language interactions for personalized recommendation, yet information-scarce dialogue histories and single-turn recommendation paradigms may severely hinder accurate modeling of…

Information Retrieval · Computer Science 2026-04-07 Xingyuan Xiang , Xiangchen Pan , Wei Wei

Conversational recommender systems (CRSs) operate under incremental preference revelation, requiring systems to make recommendation decisions under uncertainty. While recent approaches particularly those built on large language models…

Information Retrieval · Computer Science 2026-04-14 Subham Raj , Aman Vaibhav Jha , Mayank Anand , Sriparna Saha

Existing recommendation systems have focused on two paradigms: 1- historical user-item interaction-based recommendations and 2- conversational recommendations. Conversational recommendation systems facilitate natural language dialogues…

Computation and Language · Computer Science 2024-05-29 Srijata Maji , Moghis Fereidouni , Vinaik Chhetri , Umar Farooq , A. B. Siddique

Conversational recommender systems (CRS) enhance user experience through multi-turn interactions, yet evaluating CRS remains challenging. User simulators can provide comprehensive evaluations through interactions with CRS, but building…

Human-Computer Interaction · Computer Science 2025-08-01 Luyu Chen , Quanyu Dai , Zeyu Zhang , Xueyang Feng , Mingyu Zhang , Pengcheng Tang , Xu Chen , Yue Zhu , Zhenhua Dong

A key distinguishing feature of conversational recommender systems over traditional recommender systems is their ability to elicit user preferences using natural language. Currently, the predominant approach to preference elicitation is to…

Information Retrieval · Computer Science 2025-04-09 Ivica Kostric , Krisztian Balog , Filip Radlinski

Carousels (also-known as multilists) have become the standard user interface for e-commerce platforms replacing the ranked list, the previous standard for recommender systems. While the research community has begun to focus on carousels,…

Information Retrieval · Computer Science 2023-07-06 Santiago de Leon-Martinez

Social recommendation, which utilizes social relations to enhance recommender systems, has been gaining increasing attention recently with the rapid development of online social network. Existing social recommendation methods are based on…

Information Retrieval · Computer Science 2018-09-06 Tzu-Heng Lin , Chen Gao , Yong Li

Recent years have witnessed the fast development of the emerging topic of Graph Learning based Recommender Systems (GLRS). GLRS employ advanced graph learning approaches to model users' preferences and intentions as well as items'…

Information Retrieval · Computer Science 2021-05-14 Shoujin Wang , Liang Hu , Yan Wang , Xiangnan He , Quan Z. Sheng , Mehmet A. Orgun , Longbing Cao , Francesco Ricci , Philip S. Yu

Recommender systems (RSs) have become an essential tool for mitigating information overload in a range of real-world applications. Recent trends in RSs have revealed a major paradigm shift, moving the spotlight from model-centric…

Information Retrieval · Computer Science 2024-05-29 Riwei Lai , Rui Chen , Chi Zhang

In Conversational Recommendation System (CRS), an agent is asked to recommend a set of items to users within natural language conversations. To address the need for both conversational capability and personalized recommendations, prior…

Computation and Language · Computer Science 2023-10-30 Yeongseo Jung , Eunseo Jung , Lei Chen

Conversational Recommender Systems (CRS) illuminate user preferences via multi-round interactive dialogues, ultimately navigating towards precise and satisfactory recommendations. However, contemporary CRS are limited to inquiring binary or…

Information Retrieval · Computer Science 2024-04-04 Wei Fan , Weijia Zhang , Weiqi Wang , Yangqiu Song , Hao Liu

Following recent advancements in large language models (LLMs), LLM-based chatbots have transformed customer support by automating interactions and providing consistent, scalable service. While LLM-based conversational recommender systems…

Artificial Intelligence · Computer Science 2025-06-18 Omri Haller , Yair Meidan , Dudu Mimran , Yuval Elovici , Asaf Shabtai

This study introduces Conversation Routines (CR), a structured prompt engineering framework for developing task-oriented dialog systems using Large Language Models (LLMs). While LLMs demonstrate remarkable natural language understanding…

Computation and Language · Computer Science 2025-02-25 Giorgio Robino

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

Music recommender systems (MRS) have experienced a boom in recent years, thanks to the emergence and success of online streaming services, which nowadays make available almost all music in the world at the user's fingertip. While today's…

Information Retrieval · Computer Science 2018-04-11 Markus Schedl , Hamed Zamani , Ching-Wei Chen , Yashar Deldjoo , Mehdi Elahi