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Recent advances in test-time scaling have enabled Large Language Models (LLMs) to display sophisticated reasoning abilities via extended Chain-of-Thought (CoT) generation. Despite their potential, these Reasoning LLMs (RLMs) often…

Computation and Language · Computer Science 2025-05-21 Zhen Xiong , Yujun Cai , Zhecheng Li , Yiwei Wang

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

State-of-the-art methods on conversational recommender systems (CRS) leverage external knowledge to enhance both items' and contextual words' representations to achieve high quality recommendations and responses generation. However, the…

Information Retrieval · Computer Science 2023-04-19 Huy Dao , Dung D. Le , Cuong Chu

Session-based recommendation systems (SBRS) aim to capture user's short-term intent from interaction sequences. However, the common assumption of anonymous sessions limits personalization, particularly under sparse or cold-start conditions.…

Information Retrieval · Computer Science 2026-04-15 Muskan Gupta , Suraj Thapa , Jyotsana Khatri

Large Language Models (LLMs) are increasingly prominent in the recommendation systems domain. Existing studies usually utilize in-context learning or supervised fine-tuning on task-specific data to align LLMs into recommendations. However,…

Information Retrieval · Computer Science 2024-06-21 Zhong Guan , Likang Wu , Hongke Zhao , Ming He , Jianpin Fan

The use of knowledge graphs in recommender systems has become one of the common approaches to addressing data sparsity and cold start problems. Recent advances in large language models (LLMs) offer new possibilities for processing side and…

Information Retrieval · Computer Science 2025-02-13 Minhye Jeon , Seokho Ahn , Young-Duk Seo

Large language models (LLMs) have shown remarkable capabilities in dialogue generation and reasoning, yet their effectiveness in eliciting user-known but concealed information in open-ended conversations remains limited. In many interactive…

Machine Learning · Computer Science 2026-04-16 Tao Wang , Jingyao Lu , Xibo Wang , Haonan Huang , Su Yao , Zhiqiang Hu , Xingyan Chen , Enmao Diao

Conversational recommender systems (CRSs) are able to elicit user preferences through multi-turn dialogues. They typically incorporate external knowledge and pre-trained language models to capture the dialogue context. Most CRS approaches,…

Information Retrieval · Computer Science 2024-09-18 Xiaoyu Zhang , Ruobing Xie , Yougang Lyu , Xin Xin , Pengjie Ren , Mingfei Liang , Bo Zhang , Zhanhui Kang , Maarten de Rijke , Zhaochun Ren

Knowledge Graphs (KGs) are increasingly used to represent and explore complex, interconnected data across diverse domains. However, existing KG visualization systems remain limited because they fail to provide the context of user questions.…

Human-Computer Interaction · Computer Science 2026-04-14 Rumali Perera , Xiaoqi Wang , Han-wei Shen

Driven by advances in Large Language Models (LLMs), integrating them into recommendation tasks has gained interest due to their strong semantic understanding and prompt flexibility. Prior work encoded user-item interactions or metadata into…

Information Retrieval · Computer Science 2025-06-10 Keyu Zhao , Fengli Xu , Yong Li

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

Graph recommendation methods, representing a connected interaction perspective, reformulate user-item interactions as graphs to leverage graph structure and topology to recommend and have proved practical effectiveness at scale. Large…

Artificial Intelligence · Computer Science 2025-07-18 Xinyuan Wang , Liang Wu , Liangjie Hong , Hao Liu , Yanjie Fu

The rise of Large Language Models (LLMs), such as LLaMA and ChatGPT, has opened new opportunities for enhancing recommender systems through improved explainability. This paper provides a systematic literature review focused on leveraging…

Information Retrieval · Computer Science 2025-01-22 Alan Said

The advent of large language models (LLMs) has allowed numerous applications, including the generation of queried responses, to be leveraged in chatbots and other conversational assistants. Being trained on a plethora of data, LLMs often…

Computation and Language · Computer Science 2025-05-16 Deeksha Prahlad , Chanhee Lee , Dongha Kim , Hokeun Kim

Multimodal recommender systems (MRS) integrate heterogeneous user and item data, such as text, images, and structured information, to enhance recommendation performance. The emergence of large language models (LLMs) introduces new…

Information Retrieval · Computer Science 2025-05-16 Alejo Lopez-Avila , Jinhua Du

Large language models (LLMs) have demonstrated remarkable success across a wide range of tasks; however, they still encounter challenges in reasoning tasks that require understanding and inferring relationships between distinct pieces of…

Computation and Language · Computer Science 2025-01-15 Haoyu Han , Yaochen Xie , Hui Liu , Xianfeng Tang , Sreyashi Nag , William Headden , Hui Liu , Yang Li , Chen Luo , Shuiwang Ji , Qi He , Jiliang Tang

Knowledge-intensive conversations supported by large language models (LLMs) have become one of the most popular and helpful applications that can assist people in different aspects. Many current knowledge-intensive applications are centered…

Artificial Intelligence · Computer Science 2025-02-14 Zitao Li , Fei Wei , Yuexiang Xie , Dawei Gao , Weirui Kuang , Zhijian Ma , Bingchen Qian , Yaliang Li , Bolin Ding

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

Large Language Models (LLMs) have demonstrated strong performance across a wide range of tasks, yet they still struggle with complex mathematical reasoning, a challenge fundamentally rooted in deep structural dependencies. To address this…

Artificial Intelligence · Computer Science 2025-12-01 Lei Zan , Keli Zhang , Ruichu Cai , Lujia Pan

Interactive recommender system (IRS) has drawn huge attention because of its flexible recommendation strategy and the consideration of optimal long-term user experiences. To deal with the dynamic user preference and optimize accumulative…

Information Retrieval · Computer Science 2020-06-19 Sijin Zhou , Xinyi Dai , Haokun Chen , Weinan Zhang , Kan Ren , Ruiming Tang , Xiuqiang He , Yong Yu