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Grounding conversations in existing passages, known as Retrieval-Augmented Generation (RAG), is an important aspect of Chat-Based Assistants powered by Large Language Models (LLMs) to ensure they are faithful and don't provide…

Human-Computer Interaction · Computer Science 2025-10-15 Sara Rosenthal , Maeda Hanafi , Yannis Katsis , Lucian Popa , Marina Danilevsky

Retrieval-Augmented Generation (RAG) has become a standard architectural pattern for incorporating domain-specific knowledge into user-facing chat applications powered by Large Language Models (LLMs). RAG systems are characterized by (1) a…

Computation and Language · Computer Science 2025-01-17 Robert Friel , Masha Belyi , Atindriyo Sanyal

Retrieval-Augmented Generation (RAG) systems are usually defined by the combination of a generator and a retrieval component that extracts textual context from a knowledge base to answer user queries. However, such basic implementations…

Computation and Language · Computer Science 2026-04-21 Pietro Ferrazzi , Milica Cvjeticanin , Alessio Piraccini , Davide Giannuzzi

RAG (Retrieval Augmented Generation) allows LLMs (large language models) to generate better responses with external knowledge, but using more external knowledge often improves generation quality at the expense of response delay. Prior work…

Machine Learning · Computer Science 2025-10-20 Siddhant Ray , Rui Pan , Zhuohan Gu , Kuntai Du , Shaoting Feng , Ganesh Ananthanarayanan , Ravi Netravali , Junchen Jiang

Retrieval-Augmented Generation (RAG) enhances language models by combining retrieval with generation. However, its current workflow remains largely text-centric, limiting its applicability in geoscience. Many geoscientific tasks are…

Emerging Technologies · Computer Science 2025-08-18 Runlong Yu , Shiyuan Luo , Rahul Ghosh , Lingyao Li , Yiqun Xie , Xiaowei Jia

Retrieval-augmented generation (RAG) has become a fundamental paradigm for addressing the challenges faced by large language models in handling real-time information and domain-specific problems. Traditional RAG systems primarily rely on…

Computation and Language · Computer Science 2025-09-11 YiHan Jiao , ZheHao Tan , Dan Yang , DuoLin Sun , Jie Feng , Yue Shen , Jian Wang , Peng Wei

Predicting how cells respond to genetic perturbations is fundamental to understanding gene function, disease mechanisms, and therapeutic development. While recent deep learning approaches have shown promise in modeling single-cell…

Machine Learning · Computer Science 2026-03-10 Andrea Giuseppe Di Francesco , Andrea Rubbi , Pietro Liò

Large Language Models (LLMs) exhibit remarkable capabilities but are prone to generating inaccurate or hallucinatory responses. This limitation stems from their reliance on vast pretraining datasets, making them susceptible to errors in…

Computation and Language · Computer Science 2024-04-02 Chi-Min Chan , Chunpu Xu , Ruibin Yuan , Hongyin Luo , Wei Xue , Yike Guo , Jie Fu

Retrieval-augmented generation (RAG) systems often rely on static retrieval, limiting adaptation to evolving intent and content drift. We introduce Dynamic Memory Alignment (DMA), an online learning framework that systematically…

Artificial Intelligence · Computer Science 2025-11-10 Yu Bai , Yukai Miao , Dawei Wang , Li Chen , Fei Long , Rundi Zhai , Dan Li , Yanyu Ren , Tianfeng Liu , Hongtao Xie , Ce Yang , Xuhui Cai

Evaluating retrieval-augmented generation (RAG) presents challenges, particularly for retrieval models within these systems. Traditional end-to-end evaluation methods are computationally expensive. Furthermore, evaluation of the retrieval…

Computation and Language · Computer Science 2024-04-23 Alireza Salemi , Hamed Zamani

Retrieval-augmented generation has gained significant attention due to its ability to integrate relevant external knowledge, enhancing the accuracy and reliability of the LLMs' responses. Most of the existing methods apply a dynamic…

Computation and Language · Computer Science 2025-01-13 Liang Xiao , Wen Dai , Shuai Chen , Bin Qin , Chongyang Shi , Haopeng Jing , Tianyu Guo

Robust content moderation requires classification systems that can quickly adapt to evolving policies without costly retraining. We present classification using Retrieval-Augmented Generation (RAG), which shifts traditional classification…

Computation and Language · Computer Science 2025-08-11 Richard Willats , Josh Pennington , Aravind Mohan , Bertie Vidgen

Retrieval-Augmented Generation (RAG) systems are emerging as a key approach for grounding Large Language Models (LLMs) in external knowledge, addressing limitations in factual accuracy and contextual relevance. However, there is a lack of…

Software Engineering · Computer Science 2025-09-25 Md Toufique Hasan , Muhammad Waseem , Kai-Kristian Kemell , Ayman Asad Khan , Mika Saari , Pekka Abrahamsson

Retrieval-Augmented Generation (RAG) systems often face limitations in specialized domains such as fintech, where domain-specific ontologies, dense terminology, and acronyms complicate effective retrieval and synthesis. This paper…

Artificial Intelligence · Computer Science 2025-10-30 Thomas Cook , Richard Osuagwu , Liman Tsatiashvili , Vrynsia Vrynsia , Koustav Ghosal , Maraim Masoud , Riccardo Mattivi

Retrieval-Augmented Generation (RAG) utilizes external knowledge to augment Large Language Models' (LLMs) reliability. For flexibility, agentic RAG employs autonomous, multi-round retrieval and reasoning to resolve queries. Although recent…

Information Retrieval · Computer Science 2025-11-10 Chao Zhang , Yuhao Wang , Derong Xu , Haoxin Zhang , Yuanjie Lyu , Yuhao Chen , Shuochen Liu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

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) systems are increasingly used to analyze complex policy documents, but achieving sufficient reliability for expert usage remains challenging in domains characterized by dense legal language and evolving,…

Computation and Language · Computer Science 2026-03-26 Saahil Mathur , Ryan David Rittner , Vedant Ajit Thakur , Daniel Stuart Schiff , Tunazzina Islam

Graph Retrieval-Augmented Generation (Graph-RAG) enhances multihop question answering by organizing corpora into knowledge graphs and routing evidence through relational structure. However, practical deployments face two persistent…

Information Retrieval · Computer Science 2026-01-30 Jiate Liu , Zebin Chen , Shaobo Qiao , Mingchen Ju , Danting Zhang , Bocheng Han , Shuyue Yu , Xin Shu , Jingling Wu , Dong Wen , Xin Cao , Guanfeng Liu , Zhengyi Yang

Retrieval-Augmented Generation (RAG) has demonstrated significant effectiveness in enhancing large language models (LLMs) for complex multi-hop question answering (QA). For multi-hop QA tasks, current iterative approaches predominantly rely…

Computation and Language · Computer Science 2026-01-19 Yuling Shi , Maolin Sun , Zijun Liu , Mo Yang , Yixiong Fang , Tianran Sun , Xiaodong Gu

One common approach for question answering over speech data is to first transcribe speech using automatic speech recognition (ASR) and then employ text-based retrieval-augmented generation (RAG) on the transcriptions. While this cascaded…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-06 Do June Min , Karel Mundnich , Andy Lapastora , Erfan Soltanmohammadi , Srikanth Ronanki , Kyu Han