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Related papers: Knowledge Graph Enhanced Language Agents for Recom…

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Knowledge Graph-based recommendations have gained significant attention due to their ability to leverage rich semantic relationships. However, constructing and maintaining Knowledge Graphs (KGs) is resource-intensive, and the accuracy of…

Information Retrieval · Computer Science 2025-02-07 Rui Cai , Chao Wang , Qianyi Cai , Dazhong Shen , Hui Xiong

In recent years, the introduction of knowledge graphs (KGs) has significantly advanced recommender systems by facilitating the discovery of potential associations between items. However, existing methods still face several limitations.…

Information Retrieval · Computer Science 2025-04-18 Ziqiang Cui , Yunpeng Weng , Xing Tang , Fuyuan Lyu , Dugang Liu , Xiuqiang He , Chen Ma

Conversational recommender systems (CRS) aim to recommend high-quality items to users through interactive conversations. Although several efforts have been made for CRS, two major issues still remain to be solved. First, the conversation…

Computation and Language · Computer Science 2020-07-09 Kun Zhou , Wayne Xin Zhao , Shuqing Bian , Yuanhang Zhou , Ji-Rong Wen , Jingsong Yu

Explanations accompanied by a recommendation can assist users in understanding the decision made by recommendation systems, which in turn increases a user's confidence and trust in the system. Recently, research has focused on generating…

Computation and Language · Computer Science 2023-08-31 Anthony Colas , Jun Araki , Zhengyu Zhou , Bingqing Wang , Zhe Feng

The traditional recommendation systems mainly use offline user data to train offline models, and then recommend items for online users, thus suffering from the unreliable estimation of user preferences based on sparse and noisy historical…

Information Retrieval · Computer Science 2021-10-14 Mengyuan Zhao , Xiaowen Huang , Lixi Zhu , Jitao Sang , Jian Yu

Recommender systems are pivotal in enhancing user experiences across various web applications by analyzing the complicated relationships between users and items. Knowledge graphs(KGs) have been widely used to enhance the performance of…

Information Retrieval · Computer Science 2024-07-02 Guangsi Shi , Xiaofeng Deng , Linhao Luo , Lijuan Xia , Lei Bao , Bei Ye , Fei Du , Shirui Pan , Yuxiao Li

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

Machine Learning · Computer Science 2025-04-15 Jasper Linders , Jakub M. Tomczak

Knowledge Graphs (KGs) have been utilized as useful side information to improve recommendation quality. In those recommender systems, knowledge graph information often contains fruitful facts and inherent semantic relatedness among items.…

Information Retrieval · Computer Science 2022-08-19 Yuhao Yang , Chao Huang , Lianghao Xia , Chenliang Li

Numerous Knowledge Graphs (KGs) are being created to make Recommender Systems (RSs) not only intelligent but also knowledgeable. Integrating a KG in the recommendation process allows the underlying model to extract reasoning paths between…

Information Retrieval · Computer Science 2022-11-11 Giacomo Balloccu , Ludovico Boratto , Gianni Fenu , Mirko Marras

In this paper, we propose a novel graph neural network-based recommendation model called KGLN, which leverages Knowledge Graph (KG) information to enhance the accuracy and effectiveness of personalized recommendations. We first use a…

Information Retrieval · Computer Science 2024-02-06 Chaoyang Zhang , Yanan Li , Shen Chen , Siwei Fan , Wei Li

Large Language Models (LLMs) have shown strong potential in recommender systems due to their contextual learning and generalisation capabilities. Existing LLM-based recommendation approaches typically formulate the recommendation task using…

Information Retrieval · Computer Science 2025-07-09 Zeyuan Meng , Zixuan Yi , Iadh Ounis

Knowledge Graphs (KGs) have emerged as invaluable resources for enriching recommendation systems by providing a wealth of factual information and capturing semantic relationships among items. Leveraging KGs can significantly enhance…

Information Retrieval · Computer Science 2023-12-29 Yangqin Jiang , Yuhao Yang , Lianghao Xia , Chao Huang

Knowledge graph (KG) enhanced recommendation has demonstrated improved performance in the recommendation system (RecSys) and attracted considerable research interest. Recently the literature has adopted neural graph networks (GNNs) on the…

Information Retrieval · Computer Science 2022-11-15 Liangwei Yang , Shen Wang , Jibing Gong , Shaojie Zheng , Shuying Du , Zhiwei Liu , Philip S. Yu

Knowledge Graphs (KGs) play a crucial role in enhancing e-commerce system performance by providing structured information about entities and their relationships, such as complementary or substitutable relations between products or product…

Information Retrieval · Computer Science 2023-05-18 Jiao Chen , Luyi Ma , Xiaohan Li , Nikhil Thakurdesai , Jianpeng Xu , Jason H. D. Cho , Kaushiki Nag , Evren Korpeoglu , Sushant Kumar , Kannan Achan

Knowledge Graph (KG), as a side-information, tends to be utilized to supplement the collaborative filtering (CF) based recommendation model. By mapping items with the entities in KGs, prior studies mostly extract the knowledge information…

Information Retrieval · Computer Science 2022-12-21 Yinwei Wei , Xiang Wang , Liqiang Nie , Shaoyu Li , Dingxian Wang , Tat-Seng Chua

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

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

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

Incorporating knowledge graph (KG) into recommender system is promising in improving the recommendation accuracy and explainability. However, existing methods largely assume that a KG is complete and simply transfer the "knowledge" in KG at…

Information Retrieval · Computer Science 2019-02-19 Yixin Cao , Xiang Wang , Xiangnan He , Zikun hu , Tat-Seng Chua

We propose a novel framework for persona-based language model system, motivated by the need for personalized AI agents that adapt to individual user preferences. In our approach, the agent embodies the user's "persona" (e.g. user profile or…

Machine Learning · Computer Science 2025-12-03 Siqi Liang , Yudi Zhang , Yue Guo
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