中文
相关论文

相关论文: OMD-GraphRAG: Enhancing GraphRAG with Ontology-Gui…

200 篇论文

Graph-based retrieval-augmented generation (GraphRAG) exploits structured knowledge to support knowledge-intensive reasoning. However, most existing methods treat graphs as intermediate artifacts, and the few subgraph-based retrieval…

信息检索 · 计算机科学 2026-03-10 Haonan Yuan , Qingyun Sun , Junhua Shi , Mingjun Liu , Jiaqi Yuan , Ziwei Zhang , Xingcheng Fu , Jianxin Li

Large Language Models (LLMs) demonstrate strong reasoning abilities but face limitations such as hallucinations and outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) addresses these issues by grounding LLM…

计算与语言 · 计算机科学 2025-03-04 Mufei Li , Siqi Miao , Pan Li

Multi-hop question answering (MHQA) requires integrating knowledge scattered across multiple passages to derive the correct answer. Traditional retrieval-augmented generation (RAG) methods primarily focus on coarse-grained textual semantic…

计算与语言 · 计算机科学 2025-08-18 Changjian Wang , Weihong Deng , Weili Guan , Quan Lu , Ning Jiang

We present a retrieval-augmented question answering framework for 5G/6G networks, where the Open Radio Access Network (O-RAN) has become central to disaggregated, virtualized, and AI-driven wireless systems. While O-RAN enables multi-vendor…

网络与互联网体系结构 · 计算机科学 2026-01-07 Nathan Conger , Nathan Scollar , Kemal Davaslioglu , Yalin E. Sagduyu , Sastry Kompella

Retrieval-Augmented Generation (RAG) has gained significant attention in recent years for its potential to enhance natural language understanding and generation by combining large-scale retrieval systems with generative models. RAG…

计算与语言 · 计算机科学 2025-03-18 Mingyue Cheng , Yucong Luo , Jie Ouyang , Qi Liu , Huijie Liu , Li Li , Shuo Yu , Bohou Zhang , Jiawei Cao , Jie Ma , Daoyu Wang , Enhong Chen

Retrieval-Augmented Generation (RAG) has shown substantial promise in improving factual accuracy by grounding model responses with external knowledge relevant to queries. However, most existing approaches are limited to a text-only corpus,…

计算与语言 · 计算机科学 2026-05-19 Woongyeong Yeo , Kangsan Kim , Soyeong Jeong , Jinheon Baek , Sung Ju Hwang

Recent advances in Retrieval-Augmented Generation (RAG) have revolutionized knowledge-intensive tasks, yet traditional RAG methods struggle when the search space is unknown or when documents are semi-structured or structured. We introduce a…

信息检索 · 计算机科学 2026-03-25 Manie Tadayon , Mayank Gupta

Processing long contexts presents a significant challenge for large language models (LLMs). While recent advancements allow LLMs to handle much longer contexts than before (e.g., 32K or 128K tokens), it is computationally expensive and can…

计算与语言 · 计算机科学 2025-04-10 Hongjin Qian , Zheng Liu , Peitian Zhang , Kelong Mao , Defu Lian , Zhicheng Dou , Tiejun Huang

Multimodal Retrieval-Augmented Generation (MRAG) enhances reasoning capabilities by integrating external knowledge. However, existing benchmarks primarily focus on simple image-text interactions, overlooking complex visual formats like…

人工智能 · 计算机科学 2025-02-21 Yuming Yang , Jiang Zhong , Li Jin , Jingwang Huang , Jingpeng Gao , Qing Liu , Yang Bai , Jingyuan Zhang , Rui Jiang , Kaiwen Wei

Multimodal Retrieval-Augmented Generation (RAG) has emerged as an effective paradigm for enhancing Large Language Models (LLMs) with external knowledge. However, existing multimodal RAG systems predominantly rely on coarse-grained…

信息检索 · 计算机科学 2026-05-25 Yifan Zhu , Yu Mi , Yue Lu , Yanchu Guan , Zhixuan Chu

Retrieval-augmented generation (RAG) methods can enhance the performance of LLMs by incorporating retrieved knowledge chunks into the generation process. In general, the retrieval and generation steps usually have different requirements for…

Retrieval-Augmented Generation (RAG) systems critically depend on how external knowledge is segmented, structured, and retrieved. Most existing approaches either retrieve fixed-length text chunks, which fragments discourse context, or…

信息检索 · 计算机科学 2026-04-21 Mengzhu Chen , Haodong Yang , Jia Cai , Xiaolin Huang

Large language models with retrieval-augmented generation encounter a pivotal challenge in intricate retrieval tasks, e.g., multi-hop question answering, which requires the model to navigate across multiple documents and generate…

信息检索 · 计算机科学 2025-05-06 Weijie Chen , Ting Bai , Jinbo Su , Jian Luan , Wei Liu , Chuan Shi

Retrieval-Augmented Generation (RAG) over Knowledge Graphs (KGs) suffers from the fact that indexing approaches may lose important contextual nuance when text is reduced to triples, thereby degrading performance in downstream…

计算与语言 · 计算机科学 2026-03-13 Riccardo Campi , Nicolò Oreste Pinciroli Vago , Mathyas Giudici , Marco Brambilla , Piero Fraternali

Ontology Matching (OM) is a cornerstone task of semantic interoperability, yet existing systems often rely on handcrafted rules or specialized models with limited adaptability. We present KROMA, a novel OM framework that harnesses Large…

人工智能 · 计算机科学 2025-09-12 Lam Nguyen , Erika Barcelos , Roger French , Yinghui Wu

Massive Open Online Courses (MOOCs) lack direct interaction between learners and instructors, making it challenging for learners to understand new knowledge concepts. Recently, learners have increasingly used Large Language Models (LLMs) to…

人工智能 · 计算机科学 2025-05-19 Mohamed Abdelmagied , Mohamed Amine Chatti , Shoeb Joarder , Qurat Ul Ain , Rawaa Alatrash

Retrieval-augmented generation (RAG) is critical for reducing hallucinations and incorporating external knowledge into Large Language Models (LLMs). However, advanced RAG systems face a trade-off between performance and efficiency.…

信息检索 · 计算机科学 2025-08-05 Shengbo Gong , Xianfeng Tang , Carl Yang , Wei jin

Retrieval-augmented generation (RAG) systems have been widely adopted in contemporary large language models (LLMs) due to their ability to improve generation quality while reducing the required input context length. In this work, we focus…

计算与语言 · 计算机科学 2026-04-07 Tianyi Zhang , Andreas Marfurt

Integrating information from various reference databases is a major challenge for Retrieval-Augmented Generation (RAG) systems because each knowledge source adopts a unique data structure and follows different conventions. Retrieving from…

机器学习 · 计算机科学 2025-01-28 Zijie Zhong , Hanwen Liu , Xiaoya Cui , Xiaofan Zhang , Zengchang Qin

Automated short answer grading (ASAG) is critical for scaling educational assessment, yet large language models (LLMs) often struggle with hallucinations and strict rubric adherence due to their reliance on generalized pre-training. While…

计算与语言 · 计算机科学 2026-03-23 Yucheng Chu , Haoyu Han , Shen Dong , Hang Li , Kaiqi Yang , Yasemin Copur-Gencturk , Joseph Krajcik , Namsoo Shin , Hui Liu