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With the development of natural language processing (NLP), large language models (LLMs) are becoming increasingly popular. LLMs are integrating more into everyday life, raising public concerns about their security vulnerabilities.…

Computation and Language · Computer Science 2024-06-27 Ziqiu Wang , Jun Liu , Shengkai Zhang , Yang Yang

Retrieval-Augmented Generation (RAG) augments Large Language Models (LLMs) with external knowledge to improve factuality. However, existing RAG systems frequently underutilize the retrieved documents, failing to extract and integrate the…

Computation and Language · Computer Science 2025-10-31 Hao Chen , Yukun Yan , Sen Mei , Wanxiang Che , Zhenghao Liu , Qi Shi , Xinze Li , Yuchun Fan , Pengcheng Huang , Qiushi Xiong , Zhiyuan Liu , Maosong Sun

Retrieval-Augmented Generation (RAG) is applied to solve hallucination problems and real-time constraints of large language models, but it also induces vulnerabilities against retrieval corruption attacks. Existing research mainly explores…

Computation and Language · Computer Science 2024-07-19 Zhuo Chen , Jiawei Liu , Haotan Liu , Qikai Cheng , Fan Zhang , Wei Lu , Xiaozhong Liu

Retrieval-Augmented Generation (RAG) systems have shown promise in enhancing the performance of Large Language Models (LLMs). However, these systems face challenges in effectively integrating external knowledge with the LLM's internal…

Large Language Models (LLMs) are constrained by outdated information and a tendency to generate incorrect data, commonly referred to as "hallucinations." Retrieval-Augmented Generation (RAG) addresses these limitations by combining the…

Cryptography and Security · Computer Science 2024-06-07 Jiaqi Xue , Mengxin Zheng , Yebowen Hu , Fei Liu , Xun Chen , Qian Lou

In-context learning (ICL) and Retrieval-Augmented Generation (RAG) have gained attention for their ability to enhance LLMs' reasoning by incorporating external knowledge but suffer from limited contextual window size, leading to…

In recent years, tremendous success has been witnessed in Retrieval-Augmented Generation (RAG), widely used to enhance Large Language Models (LLMs) in domain-specific, knowledge-intensive, and privacy-sensitive tasks. However, attackers may…

Cryptography and Security · Computer Science 2025-01-10 Peizhuo Lv , Mengjie Sun , Hao Wang , Xiaofeng Wang , Shengzhi Zhang , Yuxuan Chen , Kai Chen , Limin Sun

The rapid development of large language models has led to the widespread adoption of Retrieval-Augmented Generation (RAG), which integrates external knowledge to alleviate knowledge bottlenecks and mitigate hallucinations. However, the…

Computation and Language · Computer Science 2024-10-10 Ruotong Pan , Boxi Cao , Hongyu Lin , Xianpei Han , Jia Zheng , Sirui Wang , Xunliang Cai , Le Sun

Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to access broader knowledge sources, yet factual inconsistencies persist due to noise in retrieved documents-even with advanced retrieval methods. We demonstrate that…

Computation and Language · Computer Science 2025-06-04 Yongjian Li , HaoCheng Chu , Yukun Yan , Zhenghao Liu , Shi Yu , Zheni Zeng , Ruobing Wang , Sen Song , Zhiyuan Liu , Maosong Sun

Retrieval-Augmented Generation (RAG) compensates for the static knowledge limitations of Large Language Models (LLMs) by integrating external knowledge, producing responses with enhanced factual correctness and query-specific…

Computation and Language · Computer Science 2025-05-21 Ruobing Yao , Yifei Zhang , Shuang Song , Neng Gao , Chenyang Tu

Retrieval-augmented generation (RAG) systems respond to queries by retrieving relevant documents from a knowledge database and applying an LLM to the retrieved documents. We demonstrate that RAG systems that operate on databases with…

Cryptography and Security · Computer Science 2025-03-11 Avital Shafran , Roei Schuster , Vitaly Shmatikov

In recent years, RAG has emerged as a key paradigm for enhancing large language models (LLMs). By integrating externally retrieved information, RAG alleviates issues like outdated knowledge and, crucially, insufficient domain expertise.…

Cryptography and Security · Computer Science 2025-10-06 Yu He , Yifei Chen , Yiming Li , Shuo Shao , Leyi Qi , Boheng Li , Dacheng Tao , Zhan Qin

An evolving solution to address hallucination and enhance accuracy in large language models (LLMs) is Retrieval-Augmented Generation (RAG), which involves augmenting LLMs with information retrieved from an external knowledge source, such as…

Computation and Language · Computer Science 2024-12-23 Derrick Quinn , Mohammad Nouri , Neel Patel , John Salihu , Alireza Salemi , Sukhan Lee , Hamed Zamani , Mohammad Alian

Retrieval Augmented Generation (RAG) systems have shown great promise in natural language processing. However, their reliance on data stored in a retrieval database, which may contain proprietary or sensitive information, introduces new…

Cryptography and Security · Computer Science 2025-03-10 Maya Anderson , Guy Amit , Abigail Goldsteen

This study develops a question-answering system based on Retrieval-Augmented Generation (RAG) using Chinese Wikipedia and Lawbank as retrieval sources. Using TTQA and TMMLU+ as evaluation datasets, the system employs BGE-M3 for dense vector…

Information Retrieval · Computer Science 2025-01-17 Te-Lun Yang , Jyi-Shane Liu , Yuen-Hsien Tseng , Jyh-Shing Roger Jang

Retrieval-Augmented Generation (RAG) improves pre-trained models by incorporating external knowledge at test time to enable customized adaptation. We study the risk of datastore leakage in Retrieval-In-Context RAG Language Models (LMs). We…

Computation and Language · Computer Science 2024-10-08 Zhenting Qi , Hanlin Zhang , Eric Xing , Sham Kakade , Himabindu Lakkaraju

Retrieval-augmented generation (RAG) enhances Large Language Models (LLMs) by mitigating hallucinations and outdated information issues, yet simultaneously facilitates unauthorized data appropriation at scale. This paper addresses this…

Information Retrieval · Computer Science 2025-10-10 Peiyang Liu , Ziqiang Cui , Di Liang , Wei Ye

Retrieval-Augmented Generation (RAG) significantly mitigates the hallucinations and domain knowledge deficiency in large language models by incorporating external knowledge bases. However, the multi-module architecture of RAG introduces…

Cryptography and Security · Computer Science 2026-03-24 Yanming Mu , Hao Hu , Feiyang Li , Qiao Yuan , Jiang Wu , Zichuan Liu , Pengcheng Liu , Mei Wang , Hongwei Zhou , Yuling Liu

With the rise of knowledge graph based retrieval-augmented generation (RAG) techniques such as GraphRAG and Pike-RAG, the role of knowledge graphs in enhancing the reasoning capabilities of large language models (LLMs) has become…

Information Retrieval · Computer Science 2025-04-15 Hairong Zhang , Jiaheng Si , Guohang Yan , Boyuan Qi , Pinlong Cai , Song Mao , Ding Wang , Botian Shi

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,…

Computation and Language · Computer Science 2025-08-05 Zhichao Yan , Jiapu Wang , Jiaoyan Chen , Yanyan Wang , Hongye Tan , Jiye Liang , Xiaoli Li , Ru Li , Jeff Z. Pan