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Radiology visual question answering (RVQA) provides precise answers to questions about chest X-ray images, alleviating radiologists' workload. While recent methods based on multimodal large language models (MLLMs) and retrieval-augmented…

Artificial Intelligence · Computer Science 2025-08-06 Ziruo Yi , Jinyu Liu , Ting Xiao , Mark V. Albert

Evaluating the clinical correctness and reasoning fidelity of automatically generated medical imaging reports remains a critical yet unresolved challenge. Existing evaluation methods often fail to capture the structured diagnostic logic…

Artificial Intelligence · Computer Science 2026-01-26 Suzhong Fu , Jingqi Dong , Xuan Ding , Rui Sun , Yiming Yang , Shuguang Cui , Zhen Li

Regulatory compliance question answering (QA) requires precise, verifiable information, and domain-specific expertise, posing challenges for Large Language Models (LLMs). In this work, we present a novel multi-agent framework that…

Artificial Intelligence · Computer Science 2025-08-14 Bhavik Agarwal , Hemant Sunil Jomraj , Simone Kaplunov , Jack Krolick , Viktoria Rojkova

Large language models (LLMs) have shown promise in medical domains, but their ability to handle specialized neurological reasoning requires systematic evaluation. We developed a comprehensive benchmark using 305 questions from Israeli Board…

Information Retrieval · Computer Science 2025-08-21 Moran Sorka , Alon Gorenshtein , Dvir Aran , Shahar Shelly

Large Language Models (LLMs) show strong reasoning abilities but rely on internalized knowledge that is often insufficient, outdated, or incorrect when trying to answer a question that requires specific domain knowledge. Knowledge Graphs…

Computation and Language · Computer Science 2025-09-23 Jan-Felix Klein , Lars Ohnemus

We study how to impose domain-consistent structure on large language models (LLMs) used for scientific reasoning and early-stage drug discovery. We present MedRule-KG, a compact knowledge-graph scaffold paired with a lightweight verifier…

Artificial Intelligence · Computer Science 2025-12-15 Crystal Su

Biomedical researchers face increasing challenges in navigating millions of publications in diverse domains. Traditional search engines typically return articles as ranked text lists, offering little support for global exploration or…

Information Retrieval · Computer Science 2026-01-29 Huan He , Xueqing Peng , Yutong Xie , Qijia Liu , Chia-Hsuan Chang , Lingfei Qian , Brian Ondov , Qiaozhu Mei , Hua Xu

Large Language Models (LLMs) have shown strong performance on static medical Question Answering (QA) tasks, yet their reasoning often deteriorates in multi-turn clinical dialogues where patient information is scattered across turns. This…

Computation and Language · Computer Science 2025-10-15 Zhaohan Meng , Zaiqiao Meng , Siwei Liu , Iadh Ounis

Entity alignment (EA) aims to identify entities across different knowledge graphs (KGs) that refer to the same real-world object and plays a critical role in knowledge fusion and integration. Traditional EA methods mainly rely on knowledge…

Information Retrieval · Computer Science 2026-04-14 Yixuan Nan , Xixun Lin , Yanmin Shang , Ge Zhang , Zheng Fang , Fang Fang , Yanan Cao

Large language models (LLMs) show promise for healthcare question answering, but clinical use is limited by weak verification, insufficient evidence grounding, and unreliable confidence signalling. We propose a multi-agent medical QA…

Computation and Language · Computer Science 2026-02-17 Naeimeh Nourmohammadi , Md Meem Hossain , The Anh Han , Safina Showkat Ara , Zia Ush Shamszaman

Large language models (LLMs) have significantly advanced the field of natural language generation. However, they frequently generate unverified outputs, which compromises their reliability in critical applications. In this study, we propose…

Computation and Language · Computer Science 2025-02-18 Alexandru Lecu , Adrian Groza , Lezan Hawizy

Retrieval Augmented Generation (RAG) has gradually emerged as a promising paradigm for enhancing the accuracy and factual consistency of content generated by large language models (LLMs). However, existing RAG studies primarily focus on…

Information Retrieval · Computer Science 2025-07-24 Qikai Wei , Huansheng Ning , Chunlong Han , Jianguo Ding

We present M-Reason, a demonstration system for transparent, agent-based reasoning and evidence integration in the biomedical domain, with a focus on cancer research. M-Reason leverages recent advances in large language models (LLMs) and…

Artificial Intelligence · Computer Science 2025-10-08 Oskar Wysocki , Magdalena Wysocka , Mauricio Jacobo , Harriet Unsworth , André Freitas

This study addresses the challenge of ambiguity in knowledge graph question answering (KGQA). While recent KGQA systems have made significant progress, particularly with the integration of large language models (LLMs), they typically assume…

Computation and Language · Computer Science 2025-04-15 Liqiang Wen , Guanming Xiong , Tong Mo , Bing Li , Weiping Li , Wen Zhao

Large language models (LLMs) have demonstrated impressive generative capabilities with the potential to innovate in medicine. However, the application of LLMs in real clinical settings remains challenging due to the lack of factual…

Computation and Language · Computer Science 2024-07-08 Rui Yang , Haoran Liu , Edison Marrese-Taylor , Qingcheng Zeng , Yu He Ke , Wanxin Li , Lechao Cheng , Qingyu Chen , James Caverlee , Yutaka Matsuo , Irene Li

Multi-hop Knowledge Base Question Answering(KBQA) aims to find the answer entity in a knowledge graph (KG), which requires multiple steps of reasoning. Existing retrieval-based approaches solve this task by concentrating on the specific…

Computation and Language · Computer Science 2023-12-20 Haowei Du , Quzhe Huang , Chen Li , Chen Zhang , Yang Li , Dongyan Zhao

This paper presents a principled and scalable framework for systematically generating complex Question Answering (QA) data. In the core of this framework is a graphlet-anchored generation process, where small subgraphs from a Knowledge…

Computation and Language · Computer Science 2026-04-30 Richard A. A. Jonker , Bárbara Maria Ribeiro de Abreu Martins , Sérgio Matos

Systematic reviews are essential for evidence-based medicine, but reviewing 1.5 million+ annual publications manually is infeasible. Current AI approaches suffer from hallucinations in systematic review tasks, with studies reporting rates…

Artificial Intelligence · Computer Science 2026-01-07 Duc Ngo , Arya Rahgoza

Large language models (LLMs) often produce fluent reasoning steps while violating simple mathematical or logical constraints. We introduce MedRule-KG, a compact typed knowledge graph coupled with a symbolic verifier, designed to enforce…

Artificial Intelligence · Computer Science 2025-12-15 Crystal Su

Recent studies in medical question answering (Medical QA) have actively explored the integration of large language models (LLMs) with biomedical knowledge graphs (KGs) to improve factual accuracy. However, most existing approaches still…

Computation and Language · Computer Science 2026-01-15 Chaerin Lee , Sohee Park , Hyunsik Na , Daseon Choi