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Multi-step retrieval-augmented generation (RAG) has become a widely adopted strategy for enhancing large language models (LLMs) on tasks that demand global comprehension and intensive reasoning. Although many RAG systems incorporate a…

计算与语言 · 计算机科学 2026-05-28 Chulun Zhou , Chunkang Zhang , Guoxin Yu , Fandong Meng , Jie Zhou , Wai Lam , Mo Yu

Retrieval-Augmented Generation (RAG) has demonstrated significant effectiveness in enhancing large language models (LLMs) for complex multi-hop question answering (QA). For multi-hop QA tasks, current iterative approaches predominantly rely…

计算与语言 · 计算机科学 2026-01-19 Yuling Shi , Maolin Sun , Zijun Liu , Mo Yang , Yixiong Fang , Tianran Sun , Xiaodong Gu

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation and understanding, yet their reliance on implicit, unstructured knowledge often leads to factual inaccuracies and limited interpretability. Knowledge…

计算与语言 · 计算机科学 2025-06-17 Qinggang Zhang

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…

机器学习 · 计算机科学 2025-03-31 Song Wang , Junhong Lin , Xiaojie Guo , Julian Shun , Jundong Li , Yada Zhu

Knowledge Graph Question Answering (KGQA) involves retrieving entities as answers from a Knowledge Graph (KG) using natural language queries. The challenge is to learn to reason over question-relevant KG facts that traverse KG entities and…

计算与语言 · 计算机科学 2022-10-26 Costas Mavromatis , George Karypis

Clinical diagnosis is time-consuming, requiring intensive interactions between patients and medical professionals. While large language models (LLMs) could ease the pre-diagnostic workload, their limited domain knowledge hinders effective…

计算与语言 · 计算机科学 2026-03-03 Liwen Sun , Xiang Yu , Ming Tan , Zhuohao Chen , Anqi Cheng , Ashutosh Joshi , Chenyan Xiong

Current biomedical question answering (QA) systems often assume that medical knowledge applies uniformly, yet real-world clinical reasoning is inherently conditional: nearly every decision depends on patient-specific factors such as…

Large Language Models (LLMs) excel at code generation but struggle with complex problems. Retrieval-Augmented Generation (RAG) mitigates this issue by integrating external knowledge, yet retrieval models often miss relevant context, and…

软件工程 · 计算机科学 2026-01-29 Shahd Seddik , Fahd Seddik , Iman Saberi , Fatemeh Fard , Minh Hieu Huynh , Patanamon Thongtanunam

Large Language Models (LLMs) exhibit strong abilities in natural language understanding and generation, yet they struggle with knowledge-intensive reasoning. Structured Knowledge Graphs (KGs) provide an effective form of external knowledge…

计算与语言 · 计算机科学 2026-04-15 Shuai Wang , Yinan Yu

Large Language Models (LLMs) exhibit remarkable capabilities but are prone to generating inaccurate or hallucinatory responses. This limitation stems from their reliance on vast pretraining datasets, making them susceptible to errors in…

计算与语言 · 计算机科学 2024-04-02 Chi-Min Chan , Chunpu Xu , Ruibin Yuan , Hongyin Luo , Wei Xue , Yike Guo , Jie Fu

Visual Question Answering (VQA) focuses on providing answers to natural language questions by utilizing information from images. Although cutting-edge multimodal large language models (MLLMs) such as GPT-4o achieve strong performance on VQA…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Zhengxuan Zhang , Yin Wu , Yuyu Luo , Nan Tang

Large Language Models (LLMs) have shown promising performance on diverse medical benchmarks, highlighting their potential in supporting real-world clinical tasks. Retrieval-Augmented Generation (RAG) has emerged as a key approach for…

计算与语言 · 计算机科学 2025-09-30 Kaishuai Xu , Wenjun Hou , Yi Cheng , Wenjie Li

Large reasoning models (LRMs) have shown significant progress in test-time scaling through chain-of-thought prompting. Current approaches like search-o1 integrate retrieval augmented generation (RAG) into multi-step reasoning processes but…

计算与语言 · 计算机科学 2026-01-21 Kaiwen Wei , Rui Shan , Dongsheng Zou , Jianzhong Yang , Bi Zhao , Junnan Zhu , Jiang Zhong

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…

人工智能 · 计算机科学 2025-12-15 Crystal Su

Due to the remarkable reasoning ability, Large language models (LLMs) have demonstrated impressive performance in knowledge graph question answering (KGQA) tasks, which find answers to natural language questions over knowledge graphs (KGs).…

计算与语言 · 计算机科学 2025-02-25 Xiao Long , Liansheng Zhuang , Aodi Li , Minghong Yao , Shafei Wang

Traditional similarity-based schema matching methods are incapable of resolving semantic ambiguities and conflicts in domain-specific complex mapping scenarios due to missing commonsense and domain-specific knowledge. The hallucination…

数据库 · 计算机科学 2025-01-16 Chuangtao Ma , Sriom Chakrabarti , Arijit Khan , Bálint Molnár

The preservation of intangible cultural heritage is a critical challenge as collective memory fades over time. While Large Language Models (LLMs) offer a promising avenue for generating engaging narratives, their propensity for factual…

人工智能 · 计算机科学 2026-04-06 Naga Sowjanya Barla , Jacopo de Berardinis

Graph-based retrieval-augmented generation (Graph-based RAG) has demonstrated significant potential in enhancing Large Language Models (LLMs) with structured knowledge. However, existing methods face three critical challenges: Inaccurate…

机器学习 · 计算机科学 2026-03-18 Yubo Wang , Haoyang Li , Fei Teng , Lei Chen

Large Language Models (LLMs) have significantly advanced medical question-answering by leveraging extensive clinical data and medical literature. However, the rapid evolution of medical knowledge and the labor-intensive process of manually…

计算与语言 · 计算机科学 2025-07-01 Mohammad Reza Rezaei , Reza Saadati Fard , Jayson L. Parker , Rahul G. Krishnan , Milad Lankarany

Graph-based Retrieval-Augmented Generation (GraphRAG) extends traditional RAG by using knowledge graphs (KGs) to give large language models (LLMs) a structured, semantically coherent context, yielding more grounded answers. However,…

人工智能 · 计算机科学 2026-04-28 Zhuoling Li , Ha Linh Hong Tran Nguyen , Valeria Bladinieres , Maxim Romanovsky