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Recently, Retrieval-Augmented Generation (RAG) has achieved remarkable success in addressing the challenges of Large Language Models (LLMs) without necessitating retraining. By referencing an external knowledge base, RAG refines LLM…

人工智能 · 计算机科学 2024-09-11 Boci Peng , Yun Zhu , Yongchao Liu , Xiaohe Bo , Haizhou Shi , Chuntao Hong , Yan Zhang , Siliang Tang

Retrieval-Augmented Generation (RAG) has become a robust framework for enhancing Large Language Models (LLMs) with external knowledge. Recent advances in RAG have investigated graph based retrieval for intricate reasoning; however, the…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Tejas Sarnaik , Manan Shah , Ravi Hegde

Personalized recommendation increasingly relies on private user data, motivating approaches that can adapt to individuals without centralizing their information. We present Federated Targeted Recommendations with Evolving Knowledge graphs…

机器学习 · 计算机科学 2026-03-17 Fernando Spadea , Oshani Seneviratne

Knowledge Graphs (KGs) are crucial in the field of artificial intelligence and are widely used in downstream tasks, such as question-answering (QA). The construction of KGs typically requires significant effort from domain experts. Large…

计算与语言 · 计算机科学 2025-02-04 Rui Yang , Boming Yang , Aosong Feng , Sixun Ouyang , Moritz Blum , Tianwei She , Yuang Jiang , Freddy Lecue , Jinghui Lu , Irene Li

Naive Retrieval-Augmented Generation (RAG) focuses on individual documents during retrieval and, as a result, falls short in handling networked documents which are very popular in many applications such as citation graphs, social media, and…

机器学习 · 计算机科学 2025-07-15 Yuntong Hu , Zhihan Lei , Zheng Zhang , Bo Pan , Chen Ling , Liang Zhao

Human smuggling networks are increasingly adaptive and difficult to analyze. Legal case documents offer valuable insights but are unstructured, lexically dense, and filled with ambiguous or shifting references-posing challenges for…

计算与语言 · 计算机科学 2025-06-30 Dipak Meher , Carlotta Domeniconi , Guadalupe Correa-Cabrera

Knowledge Graphs represent real-world entities and the relationships between them. Multilingual Knowledge Graph Construction (mKGC) refers to the task of automatically constructing or predicting missing entities and links for knowledge…

计算与语言 · 计算机科学 2025-07-23 Hellina Hailu Nigatu , Min Li , Maartje ter Hoeve , Saloni Potdar , Sarah Chasins

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language understanding and generation. However, they often struggle with complex reasoning tasks and are prone to hallucination. Recent research has shown…

计算与语言 · 计算机科学 2024-12-17 Xue Wu , Kostas Tsioutsiouliklis

Knowledge Graph (KG)-augmented Large Language Models (LLMs) have recently propelled significant advances in complex reasoning tasks, thanks to their broad domain knowledge and contextual awareness. Unfortunately, current methods often…

人工智能 · 计算机科学 2025-06-10 Manzong Huang , Chenyang Bu , Yi He , Xindong Wu

Retrieval-Augmented Generation (RAG) enhances the performance of Large Language Models (LLMs) by incorporating external knowledge. However, LLMs still encounter challenges in effectively utilizing the knowledge from retrieved documents,…

计算与语言 · 计算机科学 2025-02-26 Mingyan Wu , Zhenghao Liu , Yukun Yan , Xinze Li , Shi Yu , Zheni Zeng , Yu Gu , Ge Yu

Despite advancements in Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems, their effectiveness is often hindered by a lack of integration with entity relationships and community structures, limiting their ability…

计算与语言 · 计算机科学 2024-08-19 Rong-Ching Chang , Jiawei Zhang

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

Large Language Models (LLMs) have showcased impressive reasoning abilities, but often suffer from hallucinations or outdated knowledge. Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) remedies these shortcomings by grounding…

信息检索 · 计算机科学 2025-05-29 Martin Böckling , Heiko Paulheim , Andreea Iana

Text-based question answering (TBQA) has been studied extensively in recent years. Most existing approaches focus on finding the answer to a question within a single paragraph. However, many difficult questions require multiple supporting…

计算与语言 · 计算机科学 2019-06-07 Yunxuan Xiao , Yanru Qu , Lin Qiu , Hao Zhou , Lei Li , Weinan Zhang , Yong Yu

Large Language Models (LLMs) have demonstrated remarkable reasoning capabilities but often grapple with reliability challenges like hallucinations. While Knowledge Graphs (KGs) offer explicit grounding, existing paradigms of KG-augmented…

计算与语言 · 计算机科学 2026-04-15 Yuanxiang Liu , Songze Li , Xiaoke Guo , Zhaoyan Gong , Qifei Zhang , Huajun Chen , Wen Zhang

Knowledge Graph-based Retrieval-Augmented Generation (KG-RAG) has emerged as a promising paradigm for enhancing LLM reasoning by retrieving multi-hop paths from KGs. However, existing KG-RAG frameworks often underperform in real-world…

数据库 · 计算机科学 2026-04-20 Zhenbo Fu , Yuanzhe Zhang , Qiange Wang , Hao Yuan , Yuehao Xu , Enze Yi , Yanfeng Zhang , Ge Yu

Large Language Models (LLMs) have shown strong inductive reasoning ability across various domains, but their reliability is hindered by the outdated knowledge and hallucinations. Retrieval-Augmented Generation mitigates these issues by…

计算与语言 · 计算机科学 2025-06-12 Tianjun Yao , Haoxuan Li , Zhiqiang Shen , Pan Li , Tongliang Liu , Kun Zhang

Generative Large Language Models (LLMs) are a promising approach to structuring knowledge contained within the corpora of research literature produced by large-scale and long-running scientific collaborations. Within experimental particle…

高能物理 - 实验 · 物理学 2025-09-09 James McGreivy , Blaise Delaney , Anja Beck , Mike Williams

Large Language Models (LLMs) often struggle with dynamically changing knowledge and handling unknown static information. Retrieval-Augmented Generation (RAG) is employed to tackle these challenges and has a significant impact on improving…

计算与语言 · 计算机科学 2025-09-18 Zhen Zhang , Xinyu Wang , Yong Jiang , Zile Qiao , Zhuo Chen , Guangyu Li , Feiteng Mu , Mengting Hu , Pengjun Xie , Fei Huang

This paper introduces MatKG, a novel graph database of key concepts in material science spanning the traditional material-structure-property-processing paradigm. MatKG is autonomously generated through transformer-based, large language…

材料科学 · 物理学 2022-11-01 Vineeth Venugopal , Sumit Pai , Elsa Olivetti