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Related papers: LLM-Powered Explanations: Unraveling Recommendatio…

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Recommender systems (RSs) are designed to retrieve candidate items a user might be interested in from a large pool. A common approach is using graph neural networks (GNNs) to capture high-order interaction relationships. As large language…

Information Retrieval · Computer Science 2025-06-24 Junze Chen , Xinjie Yang , Cheng Yang , Junfei Bao , Zeyuan Guo , Yawen Li , Chuan Shi

Recent advances in large language models (LLMs) and the abundance of food data have resulted in studies to improve food understanding using LLMs. Despite several recommendation systems utilizing LLMs and Knowledge Graphs (KGs), there has…

Machine Learning · Computer Science 2025-05-21 Fnu Mohbat , Mohammed J Zaki

Large language models (LLMs) have shown remarkable generalization capability with exceptional performance in various language modeling tasks. However, they still exhibit inherent limitations in precisely capturing and returning grounded…

Computation and Language · Computer Science 2024-01-01 Yijun Tian , Huan Song , Zichen Wang , Haozhu Wang , Ziqing Hu , Fang Wang , Nitesh V. Chawla , Panpan Xu

Understanding the uncertainty in large language model (LLM) explanations is important for evaluating their faithfulness and reasoning consistency, and thus provides insights into the reliability of LLM's output regarding a question. In this…

Computation and Language · Computer Science 2025-09-16 Longchao Da , Xiaoou Liu , Jiaxin Dai , Lu Cheng , Yaqing Wang , Hua Wei

Large language models (LLMs) have demonstrated prominent reasoning capabilities in recommendation tasks by transforming them into text-generation tasks. However, existing approaches either disregard or ineffectively model the user-item…

Information Retrieval · Computer Science 2024-11-19 Xinfeng Wang , Jin Cui , Fumiyo Fukumoto , Yoshimi Suzuki

Large Language Models (LLMs) are increasingly being implemented as joint decision-makers and explanation generators for Group Recommender Systems (GRS). In this paper, we evaluate these recommendations and explanations by comparing them to…

Computation and Language · Computer Science 2025-07-21 Cedric Waterschoot , Nava Tintarev , Francesco Barile

Large language models provide rich semantic priors and strong reasoning capabilities, making them promising auxiliary signals for recommendation. However, prevailing approaches either deploy LLMs as standalone recommender or apply global…

Information Retrieval · Computer Science 2025-12-29 Shanglin Yang , Zhan Shi

Integrating large language models (LLMs) with knowledge graphs derived from domain-specific data represents an important advancement towards more powerful and factual reasoning. As these models grow more capable, it is crucial to enable…

Artificial Intelligence · Computer Science 2024-04-19 Stefan Dernbach , Khushbu Agarwal , Alejandro Zuniga , Michael Henry , Sutanay Choudhury

Large language models have become integral to question-answering applications despite their propensity for generating hallucinations and factually inaccurate content. Querying knowledge graphs to reduce hallucinations in LLM meets the…

Computation and Language · Computer Science 2024-06-26 Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Recent work on recommender systems has considered external knowledge graphs as valuable sources of information, not only to produce better recommendations but also to provide explanations of why the recommended items were chosen. Pure…

Information Retrieval · Computer Science 2020-07-28 Yikun Xian , Zuohui Fu , Qiaoying Huang , S. Muthukrishnan , Yongfeng Zhang

We present a mixed-methods study to explore how large language models (LLMs) can assist users in the visual exploration and analysis of knowledge graphs (KGs). We surveyed and interviewed 20 professionals from industry, government…

Human-Computer Interaction · Computer Science 2024-04-03 Harry Li , Gabriel Appleby , Ashley Suh

Large language models (LLMs), such as GPT3.5, GPT4 and LLAMA2 perform surprisingly well and outperform human experts on many tasks. However, in many domain-specific evaluations, these LLMs often suffer from hallucination problems due to…

Computation and Language · Computer Science 2024-04-19 Yuqi Wang , Boran Jiang , Yi Luo , Dawei He , Peng Cheng , Liangcai Gao

Knowledge graphs (KGs) have transformed data management within the manufacturing industry, offering effective means for integrating disparate data sources through shared and structured conceptual schemas. However, harnessing the power of…

Artificial Intelligence · Computer Science 2025-07-31 Sebastian Monka , Irlan Grangel-González , Stefan Schmid , Lavdim Halilaj , Marc Rickart , Oliver Rudolph , Rui Dias

Large Language Models (LLMs) have impressive capabilities in text understanding and zero-shot reasoning. However, delays in knowledge updates may cause them to reason incorrectly or produce harmful results. Knowledge Graphs (KGs) provide…

Artificial Intelligence · Computer Science 2025-04-07 Tu Ao , Yanhua Yu , Yuling Wang , Yang Deng , Zirui Guo , Liang Pang , Pinghui Wang , Tat-Seng Chua , Xiao Zhang , Zhen Cai

Large language models (LLMs) have shown great potential in story generation, but challenges remain in maintaining long-form coherence and effective, user-friendly control. Retrieval-augmented generation (RAG) has proven effective in…

Computation and Language · Computer Science 2026-01-12 Zhijun Pan , Antonios Andronis , Eva Hayek , Oscar AP Wilkinson , Ilya Lasy , Annette Parry , Guy Gadney , Tim J. Smith , Mick Grierson

While large language models (LLMs) have made significant progress in processing and reasoning over knowledge graphs, current methods suffer from a high non-retrieval rate. This limitation reduces the accuracy of answering questions based on…

Machine Learning · Computer Science 2025-03-31 Song Wang , Junhong Lin , Xiaojie Guo , Julian Shun , Jundong Li , Yada Zhu

Semantic Knowledge Graphs (SKG) face challenges with scalability, flexibility, contextual understanding, and handling unstructured or ambiguous information. However, they offer formal and structured knowledge enabling highly interpretable…

Artificial Intelligence · Computer Science 2025-01-22 Aldo Gangemi , Andrea Giovanni Nuzzolese

Knowledge graphs (KGs) have been widely adopted to mitigate data sparsity and address cold-start issues in recommender systems. While existing KGs-based recommendation methods can predict user preferences and demands, they fall short in…

Information Retrieval · Computer Science 2024-08-07 Shangfei Zheng , Hongzhi Yin , Tong Chen , Xiangjie Kong , Jian Hou , Pengpeng Zhao

Large language models (LLMs) have made significant progress in general-purpose natural language processing tasks. However, LLMs are still facing challenges when applied to domain-specific areas like telecommunications, which demands…

Computation and Language · Computer Science 2025-05-22 Dun Yuan , Hao Zhou , Di Wu , Xue Liu , Hao Chen , Yan Xin , Jianzhong , Zhang

The increasing reliance on Large Language Models (LLMs) for health information seeking can pose severe risks due to the potential for misinformation and the complexity of these topics. This paper introduces KNOWNET a visualization system…

Human-Computer Interaction · Computer Science 2024-09-27 Youfu Yan , Yu Hou , Yongkang Xiao , Rui Zhang , Qianwen Wang