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Conversational recommender systems (CRSs) often utilize external knowledge graphs (KGs) to introduce rich semantic information and recommend relevant items through natural language dialogues. However, original KGs employed in existing CRSs…

Artificial Intelligence · Computer Science 2022-12-26 Xiaoyu Zhang , Xin Xin , Dongdong Li , Wenxuan Liu , Pengjie Ren , Zhumin Chen , Jun Ma , Zhaochun Ren

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

In this paper, we propose a novel end-to-end framework called KBRD, which stands for Knowledge-Based Recommender Dialog System. It integrates the recommender system and the dialog generation system. The dialog system can enhance the…

Computation and Language · Computer Science 2019-09-04 Qibin Chen , Junyang Lin , Yichang Zhang , Ming Ding , Yukuo Cen , Hongxia Yang , Jie Tang

Large Language Models (LLMs) exhibit remarkable proficiency in addressing a diverse array of tasks within the Natural Language Processing (NLP) domain, with various prompt design strategies significantly augmenting their capabilities.…

Computation and Language · Computer Science 2024-08-05 Xiangyu Zhao , Chengqian Ma

Prompt learning is an effective paradigm that bridges gaps between the pre-training tasks and the corresponding downstream applications. Approaches based on this paradigm have achieved great transcendent results in various applications.…

Information Retrieval · Computer Science 2022-09-26 Zhigang Kan , Linhui Feng , Zhangyue Yin , Linbo Qiao , Xipeng Qiu , Dongsheng Li

LLM-based automatic speech recognition (ASR), a well-established approach, connects speech foundation models to large language models (LLMs) through a speech-to-LLM projector, yielding promising results. A common design choice in these…

Cross-domain recommendation (CDR) has emerged as a promising solution to the cold-start problem, faced by single-domain recommender systems. However, existing CDR models rely on complex neural architectures, large datasets, and significant…

Information Retrieval · Computer Science 2024-12-02 Ajay Krishna Vajjala , Dipak Meher , Ziwei Zhu , David S. Rosenblum

Sequential recommendation aims to predict users' next interaction with items based on their past engagement sequence. Recently, the advent of Large Language Models (LLMs) has sparked interest in leveraging them for sequential…

Information Retrieval · Computer Science 2024-05-07 Jiayi Liao , Sihang Li , Zhengyi Yang , Jiancan Wu , Yancheng Yuan , Xiang Wang , Xiangnan He

In modern search systems, search engines often suggest relevant queries to users through various panels or components, helping refine their information needs. Traditionally, these recommendations heavily rely on historical search logs to…

Information Retrieval · Computer Science 2025-07-08 Erxue Min , Hsiu-Yuan Huang , Xihong Yang , Min Yang , Xin Jia , Yunfang Wu , Hengyi Cai , Junfeng Wang , Shuaiqiang Wang , Dawei Yin

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

Information Retrieval · Computer Science 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

Conversational recommendation systems (CRS) leverage contextual information from conversations to generate recommendations but often struggle due to a lack of collaborative filtering (CF) signals, which capture user-item interaction…

Information Retrieval · Computer Science 2025-02-12 Ahmad Bin Rabiah , Nafis Sadeq , Julian McAuley

Recommendation Systems have become integral to modern user experiences, but lack transparency in their decision-making processes. Existing explainable recommendation methods are hindered by reliance on a post-hoc paradigm, wherein…

Information Retrieval · Computer Science 2024-12-04 Xiaohan Yu , Li Zhang , Chong Chen

The recent success of large language models (LLMs) has shown great potential to develop more powerful conversational recommender systems (CRSs), which rely on natural language conversations to satisfy user needs. In this paper, we embark on…

Computation and Language · Computer Science 2024-06-21 Xiaolei Wang , Xinyu Tang , Wayne Xin Zhao , Jingyuan Wang , Ji-Rong Wen

Inspired by the exceptional general intelligence of Large Language Models (LLMs), researchers have begun to explore their application in pioneering the next generation of recommender systems - systems that are conversational, explainable,…

Information Retrieval · Computer Science 2024-08-06 Wensheng Lu , Jianxun Lian , Wei Zhang , Guanghua Li , Mingyang Zhou , Hao Liao , Xing Xie

Open-domain long-term memory conversation can establish long-term intimacy with humans, and the key is the ability to understand and memorize long-term dialogue history information. Existing works integrate multiple models for modelling…

Computation and Language · Computer Science 2023-06-21 Kang Zhao , Wei Liu , Jian Luan , Minglei Gao , Li Qian , Hanlin Teng , Bin Wang

In order to develop effective sequential recommenders, a series of sequence representation learning (SRL) methods are proposed to model historical user behaviors. Most existing SRL methods rely on explicit item IDs for developing the…

Information Retrieval · Computer Science 2022-06-14 Yupeng Hou , Shanlei Mu , Wayne Xin Zhao , Yaliang Li , Bolin Ding , Ji-Rong Wen

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

As powerful pre-trained vision-language models (VLMs) like CLIP gain prominence, numerous studies have attempted to combine VLMs for downstream tasks. Among these, prompt learning has been validated as an effective method for adapting to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Yu Du , Tong Niu , Rong Zhao

The importance of recommender systems is growing rapidly due to the exponential increase in the volume of content generated daily. This surge in content presents unique challenges for designing effective recommender systems. Key among these…

Computation and Language · Computer Science 2025-06-12 Jiahao Tian , Jinman Zhao , Zhenkai Wang , Zhicheng Ding

Conventional sequential recommendation models have achieved remarkable success in mining implicit behavioral patterns. However, these architectures remain structurally blind to explicit user intent: they struggle to adapt when a user's…

Information Retrieval · Computer Science 2026-03-06 Fuyuan Lyu , Chenglin Luo , Qiyuan Zhang , Yupeng Hou , Haolun Wu , Xing Tang , Xue Liu , Jin L. C. Guo , Xiuqiang He