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Retrieval-Augmented Generation (RAG) effectively enhances Large Language Models (LLMs) by incorporating retrieved external knowledge into the generation process. Reasoning models improve LLM performance in multi-hop QA tasks, which require…

计算与语言 · 计算机科学 2026-01-21 Guo Chen , Junjie Huang , Huaijin Xie , Fei Sun , Tao Jia

Retrieval-augmented generation (RAG) improves the response quality of large language models (LLMs) by retrieving knowledge from external databases. Typical RAG approaches split the text database into chunks, organizing them in a flat…

计算与语言 · 计算机科学 2025-11-18 Boyu Chen , Zirui Guo , Zidan Yang , Yuluo Chen , Junze Chen , Zhenghao Liu , Chuan Shi , Cheng Yang

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by incorporating external knowledge, but its openness introduces vulnerabilities that can be exploited by poisoning attacks. Existing poisoning methods for RAG…

密码学与安全 · 计算机科学 2025-05-27 Chunyang Li , Junwei Zhang , Anda Cheng , Zhuo Ma , Xinghua Li , Jianfeng Ma

As an important paradigm for enhancing the generation quality of Large Language Models (LLMs), retrieval-augmented generation (RAG) faces the two challenges regarding retrieval accuracy and computational efficiency. This paper presents a…

信息检索 · 计算机科学 2026-05-29 Zihang Li , Wenjun Liu , Yikun Zong , Jiawen Tao , Siying Dai , Songcheng Ren , Zirui Liu , Yuhang Wang , Yanbing Jiang , Tong Yang

Retrieval-Augmented Generation (RAG) enables Large Language Models (LLMs) to extend their existing knowledge by dynamically incorporating external information. However, practical deployment is fundamentally constrained by the LLM's finite…

信息检索 · 计算机科学 2026-03-24 Jiarui Guo , Yuemeng Xu , Zongwei Lv , Yangyujia Wang , Xiaolin Wang , Kan Liu , Tao Lan , Lin Qu , Tong Yang

Retrieval-augmented generation (RAG) equips large language models (LLMs) with reliable knowledge memory. To strengthen cross-text associations, recent research integrates graphs and hypergraphs into RAG to capture pairwise and multi-entity…

信息检索 · 计算机科学 2026-02-10 Xingliang Hou , Yuyan Liu , Qi Sun , haoxiu wang , Hao Hu , Shaoyi Du , Zhiqiang Tian

Large language models (LLMs) have shown remarkable capabilities in natural language processing tasks, yet their application in hardware security verification remains limited due to scarcity of publicly available hardware description…

密码学与安全 · 计算机科学 2026-03-09 Touseef Hasan , Blessing Airehenbuwa , Nitin Pundir , Souvika Sarkar , Ujjwal Guin

Retrieval-augmented Generation (RAG) is a prevalent approach for domain-specific LLMs, yet it is often plagued by "Retrieval Hallucinations"--a phenomenon where fine-tuned models fail to recognize and act upon poor-quality retrieved…

人工智能 · 计算机科学 2026-01-21 Letian Zhang , Guanghao Meng , Xudong Ren , Yiming Wang , Shu-Tao Xia

Although Large Language Models (LLMs) demonstrate significant capabilities, their reliance on parametric knowledge often leads to inaccuracies. Retrieval Augmented Generation (RAG) mitigates this by incorporating external knowledge, but…

人工智能 · 计算机科学 2025-11-04 Hailong Yin , Bin Zhu , Jingjing Chen , Chong-Wah Ngo

Large language models (LLMs) often need to incorporate external knowledge to solve theme-specific problems. Retrieval-augmented generation (RAG) has shown its high promise, empowering LLMs to generate more qualified responses with retrieved…

机器学习 · 计算机科学 2025-08-05 Jimeng Shi , Sizhe Zhou , Bowen Jin , Wei Hu , Runchu Tian , Shaowen Wang , Giri Narasimhan , Jiawei Han

MITRE ATT&CK is a cybersecurity knowledge base that organizes threat actor and cyber-attack information into a set of tactics describing the reasons and goals threat actors have for carrying out attacks, with each tactic having a set of…

Retrieval-Augmented Generation (RAG) systems critically depend on retrieval quality, yet no systematic comparison of modern retrieval methods exists for heterogeneous documents containing both text and tabular data. We benchmark ten…

信息检索 · 计算机科学 2026-04-03 Meftun Akarsu , Recep Kaan Karaman , Christopher Mierbach

Retrieval-Augmented Generation (RAG) has been empirically shown to enhance the performance of large language models (LLMs) in knowledge-intensive domains such as healthcare, finance, and legal contexts. Given a query, RAG retrieves relevant…

密码学与安全 · 计算机科学 2025-06-02 Xun Xian , Ganghua Wang , Xuan Bi , Jayanth Srinivasa , Ashish Kundu , Charles Fleming , Mingyi Hong , Jie Ding

This work evaluates the performance of Cyber Threat Intelligence (CTI) extraction methods in identifying attack techniques from threat reports available on the web using the MITRE ATT&CK framework. We analyse four configurations utilising…

密码学与安全 · 计算机科学 2025-05-07 Hoang Cuong Nguyen , Shahroz Tariq , Mohan Baruwal Chhetri , Bao Quoc Vo

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

Given the growing trend of many organizations integrating Retrieval Augmented Generation (RAG) into their operations, we assess RAG on domain-specific data and test state-of-the-art models across various optimization techniques. We…

人工智能 · 计算机科学 2024-11-14 Anum Afzal , Juraj Vladika , Gentrit Fazlija , Andrei Staradubets , Florian Matthes

Large language models (LLMs) achieve optimal utility when their responses are grounded in external knowledge sources. However, real-world documents, such as annual reports, scientific papers, and clinical guidelines, frequently combine…

信息检索 · 计算机科学 2025-12-17 Chi Zhang , Qiyang Chen , Mengqi Zhang

The growing demand for efficient and lightweight Retrieval-Augmented Generation (RAG) systems has highlighted significant challenges when deploying Small Language Models (SLMs) in existing RAG frameworks. Current approaches face severe…

人工智能 · 计算机科学 2025-01-28 Tianyu Fan , Jingyuan Wang , Xubin Ren , Chao Huang

Retrieval-Augmented Generation (RAG) improves large language models (LLMs) by retrieving relevant information from external sources and has been widely adopted for text-based tasks. For structured data, such as knowledge graphs, Graph…

信息检索 · 计算机科学 2026-03-05 Haoyu Han , Li Ma , Yu Wang , Harry Shomer , Yongjia Lei , Zhisheng Qi , Kai Guo , Zhigang Hua , Bo Long , Hui Liu , Charu C. Aggarwal , Jiliang Tang

Retrieval-augmented generation (RAG) is a widely adopted paradigm for enhancing LLMs in medical applications by incorporating expert multimodal knowledge during generation. However, the underlying retrieval databases may naturally contain,…

密码学与安全 · 计算机科学 2026-05-12 Peiru Yang , Haoran Zheng , Tong Ju , Shiting Wang , Wanchun Ni , Jiajun Liu , Shangguang Wang , Yongfeng Huang , Tao Qi