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Retrieval-Augmented Generation (RAG) is widely adopted for its effectiveness and cost-efficiency in mitigating hallucinations and enhancing the domain-specific generation capabilities of large language models (LLMs). However, is this…

Information Retrieval · Computer Science 2024-10-11 Mengxuan Hu , Hongyi Wu , Zihan Guan , Ronghang Zhu , Dongliang Guo , Daiqing Qi , Sheng Li

Retrieval Augmented Generation enhances LLM accuracy by adding passages retrieved from an external corpus to the LLM prompt. This paper investigates how positional bias - the tendency of LLMs to weight information differently based on its…

Computation and Language · Computer Science 2025-10-09 Florin Cuconasu , Simone Filice , Guy Horowitz , Yoelle Maarek , Fabrizio Silvestri

Retrieval-Augmented Generation (RAG) grounds large language models (LLMs) in external evidence, but fails when retrieved sources conflict or contain outdated or subjective information. Prior work address these issues independently but lack…

Computation and Language · Computer Science 2025-12-19 Shubham Mishra , Samyek Jain , Gorang Mehrishi , Shiv Tiwari , Harsh Sharma , Pratik Narang , Dhruv Kumar

Medical Question Answering systems based on Retrieval Augmented Generation is promising for clinical decision support because they can integrate external knowledge, thus reducing inaccuracies inherent in standalone large language models…

Computation and Language · Computer Science 2025-03-28 Yuelyu Ji , Hang Zhang , Yanshan Wang

Retrieval-augmented generation (RAG) is widely utilized to incorporate external knowledge into large language models, thereby enhancing factuality and reducing hallucinations in question-answering (QA) tasks. A standard RAG pipeline…

Computation and Language · Computer Science 2025-10-08 Yiqun Chen , Lingyong Yan , Weiwei Sun , Xinyu Ma , Yi Zhang , Shuaiqiang Wang , Dawei Yin , Yiming Yang , Jiaxin Mao

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

Large Language Models (LLMs) are widely used across multiple domains but continue to raise concerns regarding security and fairness. Beyond known attack vectors such as data poisoning and prompt injection, LLMs are also vulnerable to…

Artificial Intelligence · Computer Science 2025-10-01 Matheus Vinicius da Silva de Oliveira , Jonathan de Andrade Silva , Awdren de Lima Fontao

Large Language Models (LLMs) have enabled a wide range of applications through their powerful capabilities in language understanding and generation. However, as LLMs are trained on static corpora, they face difficulties in addressing…

Computation and Language · Computer Science 2025-10-13 Yongjie Wang , Yue Yu , Kaisong Song , Jun Lin , Zhiqi Shen

Software engineers are increasingly adding semantic search capabilities to applications using a strategy known as Retrieval Augmented Generation (RAG). A RAG system involves finding documents that semantically match a query and then passing…

Software Engineering · Computer Science 2024-02-05 Scott Barnett , Stefanus Kurniawan , Srikanth Thudumu , Zach Brannelly , Mohamed Abdelrazek

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

Computation and Language · Computer Science 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Retrieval-Augmented Generation (RAG) integrates external knowledge with Large Language Models (LLMs) to enhance factual correctness and mitigate hallucination. However, dense retrievers often become the bottleneck of RAG systems due to…

Computation and Language · Computer Science 2025-10-27 Yuan Li , Qi Luo , Xiaonan Li , Bufan Li , Qinyuan Cheng , Bo Wang , Yining Zheng , Yuxin Wang , Zhangyue Yin , Xipeng Qiu

Retrieval-Augmented Generation (RAG) systems have emerged as a promising solution to mitigate LLM hallucinations and enhance their performance in knowledge-intensive domains. However, these systems are vulnerable to adversarial poisoning…

Information Retrieval · Computer Science 2025-07-29 Jinyan Su , Jin Peng Zhou , Zhengxin Zhang , Preslav Nakov , Claire Cardie

Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to access external knowledge sources, but the effectiveness of RAG relies on the coordination between the retriever and the generator. Since these components are…

Computation and Language · Computer Science 2025-09-24 Junlin Wang , Zehao Wu , Shaowei Lu , Yanlan Li , Xinghao Huang

Large Language Models (LLMs) have demonstrated superior results across a wide range of tasks, and Retrieval-augmented Generation (RAG) is an effective way to enhance the performance by locating relevant information and placing it into the…

Computation and Language · Computer Science 2024-02-22 Zixuan Ke , Weize Kong , Cheng Li , Mingyang Zhang , Qiaozhu Mei , Michael Bendersky

Retrieval Augmented Generation (RAG) is a commonly used approach for enhancing large language models (LLMs) with relevant and up-to-date information. However, the retrieved sources can often contain conflicting information and it remains…

Computation and Language · Computer Science 2025-06-17 Arie Cattan , Alon Jacovi , Ori Ram , Jonathan Herzig , Roee Aharoni , Sasha Goldshtein , Eran Ofek , Idan Szpektor , Avi Caciularu

Large language model (LLM) agents are increasingly employing retrieval-augmented generation (RAG) to improve the factuality of their responses. However, in practice, these systems often need to handle ambiguous user queries and potentially…

Computation and Language · Computer Science 2025-08-13 Han Wang , Archiki Prasad , Elias Stengel-Eskin , Mohit Bansal

Reliable retrieval-augmented generation (RAG) systems depend fundamentally on the retriever's ability to find relevant information. We show that neural retrievers used in RAG systems have blind spots, which we define as the failure to…

Information Retrieval · Computer Science 2026-02-11 Zeinab Sadat Taghavi , Ali Modarressi , Hinrich Schutze , Andreas Marfurt

While retrieval augmented generation (RAG) has been swiftly adopted in industrial applications based on large language models (LLMs), there is no consensus on what are the best practices for building a RAG system in terms of what are the…

Computation and Language · Computer Science 2026-02-13 Liz Li , Wei Zhu

Retrieval-augmented generation (RAG) is a promising method for addressing some of the memory-related challenges associated with Large Language Models (LLMs). Two separate systems form the RAG pipeline, the retriever and the reader, and the…

Computation and Language · Computer Science 2024-11-13 Alexandria Leto , Cecilia Aguerrebere , Ishwar Bhati , Ted Willke , Mariano Tepper , Vy Ai Vo

Retrieval-Augmented Generation (RAG) has emerged as a critical technique for enhancing large language model (LLM) capabilities. However, practitioners face significant challenges when making RAG deployment decisions. While existing research…

Software Engineering · Computer Science 2025-07-22 Shengming Zhao , Yuchen Shao , Yuheng Huang , Jiayang Song , Zhijie Wang , Chengcheng Wan , Lei Ma