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Mitigating the hallucinations of Large Language Models is a crucial task. Although some existing methods employ self-enhancement techniques, they fall short of effectively addressing unknown factual hallucinations. Meanwhile, Knowledge…

Computation and Language · Computer Science 2025-03-04 Jiaxiang Liu , Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

Large language models (LLMs) excel at reasoning but struggle with knowledge-intensive questions due to limited context and parametric knowledge. However, existing methods that rely on finetuned LLMs or GNN retrievers are limited by…

Artificial Intelligence · Computer Science 2025-11-07 Yuanning Cui , Zequn Sun , Wei Hu , Zhangjie Fu

There is vivid research on adapting Large Language Models (LLMs) to perform a variety of tasks in high-stakes domains such as healthcare. Despite their popularity, there is a lack of understanding of the extent and contributing factors that…

Computation and Language · Computer Science 2024-06-07 Anand Subramanian , Viktor Schlegel , Abhinav Ramesh Kashyap , Thanh-Tung Nguyen , Vijay Prakash Dwivedi , Stefan Winkler

Large Language Models (LLMs) have shown strong capabilities in document re-ranking, a key component in modern Information Retrieval (IR) systems. However, existing LLM-based approaches face notable limitations, including ranking…

Information Retrieval · Computer Science 2025-10-03 Pinhuan Wang , Zhiqiu Xia , Chunhua Liao , Feiyi Wang , Hang Liu

This work presents a novel architecture for building Retrieval-Augmented Generation (RAG) systems to improve Question Answering (QA) tasks from a target corpus. Large Language Models (LLMs) have revolutionized the analyzing and generation…

Computation and Language · Computer Science 2025-01-09 Binita Saha , Utsha Saha , Muhammad Zubair Malik

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

Large language models (LLMs) have demonstrated strong capabilities in medical question answering; however, purely parametric models often suffer from knowledge gaps and limited factual grounding. Retrieval-augmented generation (RAG)…

Computation and Language · Computer Science 2026-04-09 Nusrat Sultana , Abdullah Muhammad Moosa , Kazi Afzalur Rahman , Sajal Chandra Banik

Despite the potential of Large Language Models (LLMs) in medicine, they may generate responses lacking supporting evidence or based on hallucinated evidence. While Retrieval Augment Generation (RAG) is popular to address this issue, few…

Pursuing artificial intelligence for biomedical science, a.k.a. AI Scientist, draws increasing attention, where one common approach is to build a copilot agent driven by Large Language Models (LLMs). However, to evaluate such systems,…

Computation and Language · Computer Science 2024-07-02 Xinna Lin , Siqi Ma , Junjie Shan , Xiaojing Zhang , Shell Xu Hu , Tiannan Guo , Stan Z. Li , Kaicheng Yu

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 grown exponentially since the release of ChatGPT. These models have gained attention due to their robust performance on various tasks, including language processing tasks. These models achieve understanding…

Computation and Language · Computer Science 2025-08-11 Ali Sarabadani , Maryam Abdollahi Shamami , Hamidreza Sadeghsalehi , Borhan Asadi , Saba Hesaraki

The purpose of this study is to introduce SKG-LLM. A knowledge graph (KG) is constructed from stroke-related articles using mathematical and large language models (LLMs). SKG-LLM extracts and organizes complex relationships from the…

Artificial Intelligence · Computer Science 2025-03-11 Ali Sarabadani , Kheirolah Rahsepar Fard , Hamid Dalvand

Large language models (LLMs) have made significant progress in various domains, including healthcare. However, the specialized nature of clinical language understanding tasks presents unique challenges and limitations that warrant further…

Computation and Language · Computer Science 2023-08-01 Yuqing Wang , Yun Zhao , Linda Petzold

Large language models have shown remarkable language processing and reasoning ability but are prone to hallucinate when asked about private data. Retrieval-augmented generation (RAG) retrieves relevant data that fit into an LLM's context…

Machine Learning · Computer Science 2025-11-13 Alfred Clemedtson , Borun Shi

Recent advancements in large language models (LLMs) have achieved promising performances across various applications. Nonetheless, the ongoing challenge of integrating long-tail knowledge continues to impede the seamless adoption of LLMs in…

Computation and Language · Computer Science 2024-10-21 Dawei Li , Shu Yang , Zhen Tan , Jae Young Baik , Sukwon Yun , Joseph Lee , Aaron Chacko , Bojian Hou , Duy Duong-Tran , Ying Ding , Huan Liu , Li Shen , Tianlong Chen

Large Language Models (LLMs) excel in data synthesis but can be inaccurate in domain-specific tasks, which retrieval-augmented generation (RAG) systems address by leveraging user-provided data. However, RAGs require optimization in both…

Computation and Language · Computer Science 2024-11-05 Kazi Ahmed Asif Fuad , Lizhong Chen

Large language models (LLMs) like Claude, Mistral IA, and GPT-4 excel in NLP but lack structured knowledge, leading to factual inconsistencies. We address this by integrating Knowledge Graphs (KGs) via KG-BERT to enhance grounding and…

Computation and Language · Computer Science 2025-12-12 Nour El Houda Ben Chaabene , Hamza Hammami

Large Language Models (LLMs) have made remarkable advancements in the field of natural language processing. However, their increasing size poses challenges in terms of computational cost. On the other hand, Small Language Models (SLMs) are…

Computation and Language · Computer Science 2023-08-03 Zhen Guo , Peiqi Wang , Yanwei Wang , Shangdi Yu

Despite the impressive performance of large language models (LLMs) pretrained on vast knowledge corpora, advancing their knowledge manipulation-the ability to effectively recall, reason, and transfer relevant knowledge-remains challenging.…

Computation and Language · Computer Science 2026-01-13 Qitan Lv , Tianyu Liu , Qiaosheng Zhang , Xingcheng Xu , Chaochao Lu

Retrieval-Augmented Generation (RAG) based on knowledge graphs (KGs) enhances large language models (LLMs) by providing structured and interpretable external knowledge. However, existing KG-based RAG methods struggle to retrieve accurate…

Artificial Intelligence · Computer Science 2025-10-21 Junchi Yu , Yujie Liu , Jindong Gu , Philip Torr , Dongzhan Zhou
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