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Retrieval-augmented generation (RAG) is a common strategy to reduce hallucinations in Large Language Models (LLMs). While reinforcement learning (RL) can enable LLMs to act as search agents by activating retrieval capabilities, existing…

计算与语言 · 计算机科学 2025-05-13 Ziyang Huang , Xiaowei Yuan , Yiming Ju , Jun Zhao , Kang Liu

Retrieval-Augmented Generation (RAG) systems enhance large language models (LLMs) by integrating external knowledge, making them adaptable and cost-effective for various applications. However, the growing reliance on these systems also…

密码学与安全 · 计算机科学 2024-10-31 Yucheng Zhang , Qinfeng Li , Tianyu Du , Xuhong Zhang , Xinkui Zhao , Zhengwen Feng , Jianwei Yin

The growing ubiquity of Retrieval-Augmented Generation (RAG) systems in several real-world services triggers severe concerns about their security. A RAG system improves the generative capabilities of a Large Language Models (LLM) by a…

人工智能 · 计算机科学 2024-12-31 Christian Di Maio , Cristian Cosci , Marco Maggini , Valentina Poggioni , Stefano Melacci

Retrieval-augmented generation (RAG) systems enhance large language models (LLMs) by integrating external knowledge bases, but this advancement introduces significant privacy risks. Existing privacy attacks on RAG systems can trigger data…

密码学与安全 · 计算机科学 2025-11-25 Yufei Chen , Yao Wang , Haibin Zhang , Tao Gu

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by retrieving external data to mitigate hallucinations and outdated knowledge issues. Benefiting from the strong ability in facilitating diverse data sources and…

密码学与安全 · 计算机科学 2025-07-15 Tianzhe Zhao , Jiaoyan Chen , Yanchi Ru , Haiping Zhu , Nan Hu , Jun Liu , Qika Lin

The widespread adoption of Retrieval-Augmented Generation (RAG) systems in real-world applications has heightened concerns about the confidentiality and integrity of their proprietary knowledge bases. These knowledge bases, which play a…

密码学与安全 · 计算机科学 2025-03-21 Pengcheng Zhou , Yinglun Feng , Zhongliang Yang

Retrieval-Augmented Generative (RAG) models enhance Large Language Models (LLMs) by integrating external knowledge bases, improving their performance in applications like fact-checking and information searching. In this paper, we…

密码学与安全 · 计算机科学 2024-07-01 Zhen Tan , Chengshuai Zhao , Raha Moraffah , Yifan Li , Song Wang , Jundong Li , Tianlong Chen , Huan Liu

Retrieval-Augmented Generation (RAG) enables Large Language Models (LLMs) to generate grounded responses by leveraging external knowledge databases without altering model parameters. Although the absence of weight tuning prevents leakage…

密码学与安全 · 计算机科学 2025-07-01 Ali Naseh , Yuefeng Peng , Anshuman Suri , Harsh Chaudhari , Alina Oprea , Amir Houmansadr

Retrieval-Augmented Generation (RAG) expands the knowledge boundary of large language models (LLMs) by integrating external knowledge bases, whose construction is often time-consuming and laborious. If an adversary extracts the knowledge…

密码学与安全 · 计算机科学 2025-08-11 Changyue Jiang , Xudong Pan , Geng Hong , Chenfu Bao , Yang Chen , Min Yang

Large language models (LLMs) have achieved remarkable success due to their exceptional generative capabilities. Despite their success, they also have inherent limitations such as a lack of up-to-date knowledge and hallucination.…

密码学与安全 · 计算机科学 2024-08-14 Wei Zou , Runpeng Geng , Binghui Wang , Jinyuan Jia

Retrieval-Augmented Generation (RAG) has become a cornerstone of knowledge-intensive applications, including enterprise chatbots, healthcare assistants, and agentic memory management. However, recent studies show that knowledge-extraction…

Retrieval-Augmented Generation (RAG) offers a solution to mitigate hallucinations in Large Language Models (LLMs) by grounding their outputs to knowledge retrieved from external sources. The use of private resources and data in constructing…

计算与语言 · 计算机科学 2025-02-10 Xiao Hu , Eric Liu , Weizhou Wang , Xiangyu Guo , David Lie

Large language models (LLMs) are reshaping numerous facets of our daily lives, leading widespread adoption as web-based services. Despite their versatility, LLMs face notable challenges, such as generating hallucinated content and lacking…

密码学与安全 · 计算机科学 2025-11-04 Minseok Kim , Hankook Lee , Hyungjoon Koo

Retrieval-Augmented Generation (RAG) is an emerging approach in natural language processing that combines large language models (LLMs) with external document retrieval to produce more accurate and grounded responses. While RAG has shown…

密码学与安全 · 计算机科学 2025-09-25 Atousa Arzanipour , Rouzbeh Behnia , Reza Ebrahimi , Kaushik Dutta

Despite significant advancements, large language models (LLMs) still struggle with providing accurate answers when lacking domain-specific or up-to-date knowledge. Retrieval-Augmented Generation (RAG) addresses this limitation by…

密码学与安全 · 计算机科学 2025-04-01 Yuefeng Peng , Junda Wang , Hong Yu , Amir Houmansadr

Retrieval-Augmented Generation (RAG) is a powerful technique for enhancing Large Language Models (LLMs) with external, up-to-date knowledge. Graph RAG has emerged as an advanced paradigm that leverages graph-based knowledge structures to…

密码学与安全 · 计算机科学 2025-08-26 Jiale Liu , Jiahao Zhang , Suhang Wang

Retrieval-Augmented Generation (RAG) systems augment large language models with external knowledge, yet introduce a critical security vulnerability: RAG Knowledge Base Leakage, wherein adversarial prompts can induce the model to divulge…

密码学与安全 · 计算机科学 2026-04-14 Yuanbo Xie , Yingjie Zhang , Yulin Li , Shouyou Song , Xiaokun Chen , Zhihan Liu , Liya Su , Tingwen Liu

The indexing-retrieval-generation paradigm of retrieval-augmented generation (RAG) has been highly successful in solving knowledge-intensive tasks by integrating external knowledge into large language models (LLMs). However, the…

密码学与安全 · 计算机科学 2025-02-25 Xun Liang , Simin Niu , Zhiyu Li , Sensen Zhang , Hanyu Wang , Feiyu Xiong , Jason Zhaoxin Fan , Bo Tang , Shichao Song , Mengwei Wang , Jiawei Yang

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for Large Language Models (LLMs) to address knowledge-intensive queries requiring domain-specific or up-to-date information. To handle complex multi-hop questions that…

计算与语言 · 计算机科学 2026-01-05 Yuxin Wang , Shicheng Fang , Bo Wang , Qi Luo , Xuanjing Huang , Yining Zheng , Xipeng Qiu

Retrieval-Augmented Generation (RAG) is a state-of-the-art technique that mitigates issues such as hallucinations and knowledge staleness in Large Language Models (LLMs) by retrieving relevant knowledge from an external database to assist…

密码学与安全 · 计算机科学 2024-09-27 Yuying Li , Gaoyang Liu , Chen Wang , Yang Yang
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