中文
相关论文

相关论文: What Breaks Knowledge Graph based RAG? Benchmarkin…

200 篇论文

Retrieval-Augmented Generation (RAG) has significantly mitigated the hallucinations of Large Language Models (LLMs) by grounding the generation with external knowledge. Recent extensions of RAG to graph-based retrieval offer a promising…

Large Language Models (LLMs) excel at language understanding but remain limited in knowledge-intensive domains due to hallucinations, outdated information, and limited explainability. Text-based retrieval-augmented generation (RAG) helps…

计算与语言 · 计算机科学 2026-02-09 Larissa Pusch , Alexandre Courtiol , Tim Conrad

Knowledge Graphs (KGs) are foundational structures in many AI applications, representing entities and their interrelations through triples. However, triple-based KGs lack the contextual information of relational knowledge, like temporal…

人工智能 · 计算机科学 2024-07-01 Chengjin Xu , Muzhi Li , Cehao Yang , Xuhui Jiang , Lumingyuan Tang , Yiyan Qi , Jian Guo

Knowledge-graph retrieval-augmented generation (KG-RAG) couples large language models (LLMs) with structured, verifiable knowledge graphs (KGs) to reduce hallucination and provide reasoning traces. However, current KG-RAG systems often rely…

计算与语言 · 计算机科学 2026-05-25 Junhong Lin , Shicheng Liu , Jinyeop Song , Song Wang , Julian Shun , Yada Zhu

Graph Retrieval Augmented Generation (GraphRAG) has garnered increasing recognition for its potential to enhance large language models (LLMs) by structurally organizing domain-specific corpora and facilitating complex reasoning. However,…

计算与语言 · 计算机科学 2025-06-23 Yilin Xiao , Junnan Dong , Chuang Zhou , Su Dong , Qian-wen Zhang , Di Yin , Xing Sun , Xiao Huang

Recent advances in large language models (LLMs) have led to impressive progress in natural language generation, yet their tendency to produce hallucinated or unsubstantiated content remains a critical concern. To improve factual…

计算与语言 · 计算机科学 2025-05-20 Xukai Liu , Ye Liu , Shiwen Wu , Yanghai Zhang , Yihao Yuan , Kai Zhang , Qi Liu

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

Knowledge graph completion (KGC) tasks aim to infer missing facts in a knowledge graph (KG) for many knowledge-intensive applications. However, existing embedding-based KGC approaches primarily rely on factual triples, potentially leading…

人工智能 · 计算机科学 2024-10-08 Guanglin Niu , Bo Li , Siling Feng

To address the issues of insufficient knowledge and hallucination in Large Language Models (LLMs), numerous studies have explored integrating LLMs with Knowledge Graphs (KGs). However, these methods are typically evaluated on conventional…

计算与语言 · 计算机科学 2024-10-08 Yao Xu , Shizhu He , Jiabei Chen , Zihao Wang , Yangqiu Song , Hanghang Tong , Guang Liu , Kang Liu , Jun Zhao

Large language models (LLMs) continue to struggle with knowledge-intensive questions that require up-to-date information and multi-hop reasoning. Augmenting LLMs with hybrid external knowledge, such as unstructured text and structured…

机器学习 · 计算机科学 2026-02-12 Junhong Lin , Bing Zhang , Song Wang , Ziyan Liu , Dan Gutfreund , Julian Shun , Yada Zhu

Answering complex queries over incomplete knowledge graphs (KGs) is a challenging job. Most previous works have focused on learning entity/relation embeddings and simulating first-order logic operators with various neural networks. However,…

计算与语言 · 计算机科学 2025-03-04 Tianle Xia , Liang Ding , Guojia Wan , Yibing Zhan , Bo Du , Dacheng Tao

Constructing Knowledge Graphs (KGs) from unstructured text provides a structured framework for knowledge representation and reasoning, yet current LLM-based approaches struggle with a fundamental trade-off: factual coverage often leads to…

计算与语言 · 计算机科学 2026-04-24 Sanghyeok Choi , Woosang Jeon , Kyuseok Yang , Taehyeong Kim

Recommender systems have become increasingly vital in our daily lives, helping to alleviate the problem of information overload across various user-oriented online services. The emergence of Large Language Models (LLMs) has yielded…

信息检索 · 计算机科学 2025-05-29 Shijie Wang , Wenqi Fan , Yue Feng , Shanru Lin , Xinyu Ma , Shuaiqiang Wang , Dawei Yin

Retrieval-Augmented Generation (RAG) shows impressive performance by supplementing and substituting parametric knowledge in Large Language Models (LLMs). Retrieved knowledge can be divided into three types: explicit answer evidence,…

计算与语言 · 计算机科学 2025-08-05 Zhichao Yan , Jiapu Wang , Jiaoyan Chen , Yanyan Wang , Hongye Tan , Jiye Liang , Xiaoli Li , Ru Li , Jeff Z. Pan

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

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for enhancing the capabilities of large language models. However, existing RAG evaluation predominantly focuses on text retrieval and relies on opaque, end-to-end…

信息检索 · 计算机科学 2025-05-19 Chuan Xu , Qiaosheng Chen , Yutong Feng , Gong Cheng

Generating Knowledge Graphs (KGs) remains one of the most time-consuming and labor-intensive tasks for knowledge engineers, as they need to identify semantic equivalences between input data sources and ontology terms. While declarative…

Integrating Large Language Models (LLMs) in Intelligent Tutoring Systems (ITS) presents transformative opportunities for personalized education. However, current implementations face two critical challenges: maintaining factual accuracy and…

计算与语言 · 计算机科学 2025-02-13 Chenxi Dong , Yimin Yuan , Kan Chen , Shupei Cheng , Chujie Wen

Fact-checking is a crucial task as it ensures the prevention of misinformation. However, manual fact-checking cannot keep up with the rate at which false information is generated and disseminated online. Automated fact-checking by machines…

人工智能 · 计算机科学 2023-10-12 Gustav Nikopensius , Mohit Mayank , Orchid Chetia Phukan , Rajesh Sharma

In the realm of computational knowledge representation, Knowledge Graph Reasoning (KG-R) stands at the forefront of facilitating sophisticated inferential capabilities across multifarious domains. The quintessence of this research…

人工智能 · 计算机科学 2024-03-12 Chen Li , Haotian Zheng , Yiping Sun , Cangqing Wang , Liqiang Yu , Che Chang , Xinyu Tian , Bo Liu