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Retrieval-Augmented Generation (RAG) is an advanced technique designed to address the challenges of Artificial Intelligence-Generated Content (AIGC). By integrating context retrieval into content generation, RAG provides reliable and…

Retrieval Augmented Generation (RAG) enables Large Language Models (LLMs) to generalize to new information by decoupling reasoning capabilities from static knowledge bases. Traditional RAG enhancements have explored vertical…

Software Engineering · Computer Science 2025-04-30 Michael Iannelli , Sneha Kuchipudi , Vera Dvorak

Large language models (LLMs) are widely used in retrieval-augmented generation (RAG) to incorporate external knowledge at inference time. However, when retrieved contexts are noisy, incomplete, or heterogeneous, a single generation process…

Computation and Language · Computer Science 2026-04-22 Xingchen Xiao , Heyan Huang , Runheng Liu , Jincheng Xie

Retrieval-Augmented Generation (RAG) has significantly enhanced LLMs by incorporating external information. However, prevailing agentic RAG approaches are constrained by a critical limitation: they treat the retrieval process as a black-box…

Information Retrieval · Computer Science 2026-02-27 Yulong Hui , Chao Chen , Zhihang Fu , Yihao Liu , Jieping Ye , Huanchen Zhang

Large Language Models (LLMs) have shown remarkable performance on general Question Answering (QA), yet they often struggle in domain-specific scenarios where accurate and up-to-date information is required. Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-02-13 Haoyue Bai , Haoyu Wang , Shengyu Chen , Zhengzhang Chen , Lu-An Tang , Wei Cheng , Haifeng Chen , Yanjie Fu

Challenges in the automated evaluation of Retrieval-Augmented Generation (RAG) Question-Answering (QA) systems include hallucination problems in domain-specific knowledge and the lack of gold standard benchmarks for company internal tasks.…

Information Retrieval · Computer Science 2025-05-26 Zackary Rackauckas , Arthur Câmara , Jakub Zavrel

Large Language Model (LLM)-based recommendation systems have demonstrated remarkable capabilities in understanding user preferences and generating personalized suggestions. However, existing approaches face critical challenges in…

Information Retrieval · Computer Science 2026-04-24 Sushant Mehta

Since large language models (LLMs) have a tendency to generate factually inaccurate output, retrieval-augmented generation (RAG) has gained significant attention as a key means to mitigate this downside of harnessing only LLMs. However,…

Computation and Language · Computer Science 2025-12-18 Youmin Ko , Sungjong Seo , Hyunjoon Kim

Retrieval-Augmented Generation (RAG) has gained prominence as an effective method for enhancing the generative capabilities of Large Language Models (LLMs) through the incorporation of external knowledge. However, the evaluation of RAG…

Computation and Language · Computer Science 2025-04-25 Chanhee Park , Hyeonseok Moon , Chanjun Park , Heuiseok Lim

Despite the success of integrating large language models into the development of conversational systems, many studies have shown the effectiveness of retrieving and augmenting external knowledge for informative responses. Hence, many…

Computation and Language · Computer Science 2024-08-01 Xi Wang , Procheta Sen , Ruizhe Li , Emine Yilmaz

Retrieval-Augmented Generation (RAG) has quickly grown into a pivotal paradigm in the development of Large Language Models (LLMs). Although existing research mainly emphasizes accuracy and efficiency, the trustworthiness of RAG systems…

Risk and Quality (R&Q) assurance in highly regulated industries requires constant navigation of complex regulatory frameworks, with employees handling numerous daily queries demanding accurate policy interpretation. Traditional methods…

This paper introduces a framework that integrates reinforcement learning (RL) with autonomous agents to enable continuous improvement in the automated process of software test cases authoring from business requirement documents within…

Software Engineering · Computer Science 2025-12-09 Mohanakrishnan Hariharan

Large language models (LLM) hold significant potential for applications in biomedicine, but they struggle with hallucinations and outdated knowledge. While retrieval-augmented generation (RAG) is generally employed to address these issues,…

Computation and Language · Computer Science 2025-09-23 Jiwoong Sohn , Yein Park , Chanwoong Yoon , Sihyeon Park , Hyeon Hwang , Mujeen Sung , Hyunjae Kim , Jaewoo Kang

This paper presents the development and evaluation of a Retrieval-Augmented Generation (RAG) system for querying the United Kingdom's National Institute for Health and Care Excellence (NICE) clinical guidelines using Large Language Models…

Iterative retrieval refers to the process in which the model continuously queries the retriever during generation to enhance the relevance of the retrieved knowledge, thereby improving the performance of Retrieval-Augmented Generation…

Computation and Language · Computer Science 2024-12-02 Tian Yu , Shaolei Zhang , Yang Feng

For middle-school math students, interactive question-answering (QA) with tutors is an effective way to learn. The flexibility and emergent capabilities of generative large language models (LLMs) has led to a surge of interest in automating…

Computation and Language · Computer Science 2023-11-14 Zachary Levonian , Chenglu Li , Wangda Zhu , Anoushka Gade , Owen Henkel , Millie-Ellen Postle , Wanli Xing

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by grounding responses with retrieved information. As an emerging paradigm, Agentic RAG further enhances this process by introducing autonomous LLM agents into the…

Information Retrieval · Computer Science 2025-05-26 Yunjia Xi , Jianghao Lin , Menghui Zhu , Yongzhao Xiao , Zhuoying Ou , Jiaqi Liu , Tong Wan , Bo Chen , Weiwen Liu , Yasheng Wang , Ruiming Tang , Weinan Zhang , Yong Yu

Retrieval-Augmented Generation (RAG) offers a well-established path to grounding large language model (LLM) outputs in external knowledge, yet the question of which retrieval strategy works best in a high-stakes domain such as biomedicine…

Computation and Language · Computer Science 2026-05-05 Devi Prasad Bal , Subhashree Puhan

Retrieval Augmented Generation (RAG) is widely used to enable Large Language Models (LLMs) perform Question Answering (QA) tasks in various domains. However, RAG based on open-source LLM for specialized domains has challenges of evaluating…

Computation and Language · Computer Science 2024-07-23 Sujoy Roychowdhury , Sumit Soman , H G Ranjani , Neeraj Gunda , Vansh Chhabra , Sai Krishna Bala
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