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Retrieval-Augmented Generation (RAG) has emerged as a powerful approach to mitigate large language model (LLM) hallucinations by incorporating external knowledge retrieval. However, existing RAG frameworks often apply retrieval…

Information Retrieval · Computer Science 2025-07-29 Jinyan Su , Jennifer Healey , Preslav Nakov , Claire Cardie

Financial document question answering (QA) demands complex multi-step numerical reasoning over heterogeneous evidence--structured tables, textual narratives, and footnotes--scattered across corporate filings. Existing retrieval-augmented…

Artificial Intelligence · Computer Science 2026-05-08 Yang Shu , Yingmin Liu , Zequn Xie

Retrieval-Augmented Generation (RAG) has become a foundational paradigm for equipping large language models (LLMs) with external knowledge, playing a critical role in information retrieval and knowledge-intensive applications. However,…

Computation and Language · Computer Science 2025-06-10 Weihang Su , Qingyao Ai , Jingtao Zhan , Qian Dong , Yiqun Liu

Retrieval-Augmented Generation (RAG) grounds Large Language Models (LLMs) in external knowledge but often suffers from flat context representations and stateless retrieval, leading to unstable performance. We propose Stateful…

Computation and Language · Computer Science 2026-04-17 Qi Dong , Ziheng Lin , Ning Ding

The integration of external knowledge through Retrieval-Augmented Generation (RAG) has become foundational in enhancing large language models (LLMs) for knowledge-intensive tasks. However, existing RAG paradigms often overlook the cognitive…

Artificial Intelligence · Computer Science 2025-09-24 Yu Wang , Shiwan Zhao , Zhihu Wang , Ming Fan , Xicheng Zhang , Yubo Zhang , Zhengfan Wang , Heyuan Huang , Ting Liu

Retrieval-Augmented Generation (RAG) architectures have recently garnered significant attention for their ability to improve truth grounding and coherence in natural language processing tasks. However, the reliability of RAG systems in…

Computation and Language · Computer Science 2024-12-04 Joel Suro

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 enhance large language models (LLMs) by integrating external knowledge sources, enabling more accurate and contextually relevant responses tailored to user needs. However, existing RAG systems…

Information Retrieval · Computer Science 2025-04-29 Zirui Guo , Lianghao Xia , Yanhua Yu , Tu Ao , Chao Huang

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

Retrieval Augmented Generation (RAG) has shown strong capability in enhancing language models' knowledge and reducing AI generative hallucinations, driving its widespread use. However, complex tasks requiring multi-round retrieval remain…

Artificial Intelligence · Computer Science 2025-10-28 Diji Yang , Linda Zeng , Jinmeng Rao , Yi Zhang

Retrieval-augmented generation (RAG) is key to enhancing large language models (LLMs) to systematically access richer factual knowledge. Yet, using RAG brings intrinsic challenges, as LLMs must deal with potentially conflicting knowledge,…

Computation and Language · Computer Science 2025-04-08 Leonardo Ranaldi , Federico Ranaldi , Fabio Massimo Zanzotto , Barry Haddow , Alexandra Birch

The rapid evolution of Retrieval-Augmented Generation (RAG) toward multimodal, high-stakes enterprise applications has outpaced the development of domain specific evaluation benchmarks. Existing datasets often rely on general-domain corpora…

Artificial Intelligence · Computer Science 2026-01-23 Chandan Kumar Sahu , Premith Kumar Chilukuri , Matthew Hetrich

Retrieval-Augmented Generation (RAG) is gaining recognition as one of the key technological axes for next generation information retrieval, owing to its ability to mitigate the hallucination phenomenon in Large Language Models (LLMs)and…

Information Retrieval · Computer Science 2025-12-02 Hyunseok Ryu , Wonjune Shin , Hyun Park

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

While Retrieval-Augmented Generation (RAG) augments Large Language Models (LLMs) with external knowledge, conventional single-agent RAG remains fundamentally limited in resolving complex queries demanding coordinated reasoning across…

Computation and Language · Computer Science 2025-04-18 Pei Liu , Xin Liu , Ruoyu Yao , Junming Liu , Siyuan Meng , Ding Wang , Jun Ma

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) 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…

Information Retrieval · Computer Science 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

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) is a framework in which a Generator, such as a Large Language Model (LLM), produces answers by retrieving documents from an external collection using a Retriever. In practice, Generators must integrate…

Computation and Language · Computer Science 2026-04-30 Koki Itai , Shunichi Hasegawa , Yuta Yamamoto , Gouki Minegishi , Masaki Otsuki

Retrieval-augmented generation (RAG) techniques leverage the in-context learning capabilities of large language models (LLMs) to produce more accurate and relevant responses. Originating from the simple 'retrieve-then-read' approach, the…

Computation and Language · Computer Science 2024-07-16 Yunxiao Shi , Xing Zi , Zijing Shi , Haimin Zhang , Qiang Wu , Min Xu