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Parametric Retrieval-Augmented Generation (PRAG) is a RAG approach that integrates external knowledge directly into model parameters using a LoRA adapter, aiming at reducing the inference cost compared to traditional RAG. However, current…

Information Retrieval · Computer Science 2026-01-27 Zhan Su , Fengran Mo , Jinghan Zhang , Yuchen Hui , Jiaao Sun , Jian-yun Nie

In retrieval-augmented generation (RAG) question answering systems, generating citations for large language model (LLM) outputs enhances verifiability and helps users identify potential hallucinations. However, we observe two problems in…

Computation and Language · Computer Science 2025-10-21 Guo Chen , Qiuyuan Li , Qiuxian Li , Hongliang Dai , Xiang Chen , Piji Li

Providing external knowledge to Large Language Models (LLMs) is a key point for using these models in real-world applications for several reasons, such as incorporating up-to-date content in a real-time manner, providing access to…

Computation and Language · Computer Science 2024-06-04 Simon Akesson , Frances A. Santos

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but still suffers from long contexts and disjoint retrieval-generation optimization. In this work, we propose CLaRa (Continuous Latent…

Computation and Language · Computer Science 2026-02-09 Jie He , Richard He Bai , Sinead Williamson , Jeff Z. Pan , Navdeep Jaitly , Yizhe Zhang

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) with large language models (LLMs) has demonstrated strong performance in multilingual question-answering (QA) tasks by leveraging relevant passages retrieved from corpora. In multilingual RAG (mRAG), the…

Computation and Language · Computer Science 2025-12-12 Jirui Qi , Raquel Fernández , Arianna Bisazza

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

Large Language Models (LLMs) excel in various language tasks but they often generate incorrect information, a phenomenon known as "hallucinations". Retrieval-Augmented Generation (RAG) aims to mitigate this by using document retrieval for…

Information Retrieval · Computer Science 2024-07-18 Hamin Koo , Minseon Kim , Sung Ju Hwang

Despite the prevalence of retrieval-augmented language models (RALMs), the seamless integration of these models with retrieval mechanisms to enhance performance in document-based tasks remains challenging. While some post-retrieval…

Computation and Language · Computer Science 2024-06-05 Chuankai Xu , Dongming Zhao , Bo Wang , Hanwen Xing

Retrieval Augmented Generation or RAG is the most popular pattern for modern Large Language Model or LLM applications. RAG involves taking a user query and finding relevant paragraphs of context in a large corpus typically captured in a…

Information Retrieval · Computer Science 2024-08-20 Dattaraj Rao

A common way to extend the memory of large language models (LLMs) is by retrieval augmented generation (RAG), which inserts text retrieved from a larger memory into an LLM's context window. However, the context window is typically limited…

Computation and Language · Computer Science 2025-02-14 Marc Pickett , Jeremy Hartman , Ayan Kumar Bhowmick , Raquib-ul Alam , Aditya Vempaty

The rapid increase in the number of parameters in large language models (LLMs) has significantly increased the cost involved in fine-tuning and retraining LLMs, a necessity for keeping models up to date and improving accuracy.…

Hardware Architecture · Computer Science 2024-12-17 Michael Shen , Muhammad Umar , Kiwan Maeng , G. Edward Suh , Udit Gupta

This paper presents a novel Retrieval-Augmented Generation (RAG) framework tailored for complex question answering tasks, addressing challenges in multi-hop reasoning and contextual understanding across lengthy documents. Built upon LLaMA…

Computation and Language · Computer Science 2025-06-23 Xinyue Huang , Ziqi Lin , Fang Sun , Wenchao Zhang , Kejian Tong , Yunbo Liu

Retrieval-Augmented Generation (RAG) has greatly improved large language models (LLMs) by enabling them to generate accurate, contextually grounded responses through the integration of external information. However, conventional RAG…

Computation and Language · Computer Science 2024-09-24 Jiatao Li , Xinyu Hu , Xiaojun Wan

The rapid evolution of mobile edge computing (MEC) has introduced significant challenges in optimizing resource allocation in highly dynamic wireless communication systems, in which task offloading decisions should be made in real-time.…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Runtao Ren , Yinyu Wu , Xuhui Zhang , Jinke Ren , Yanyan Shen , Shuqiang Wang , Kim-Fung Tsang

Retrieval-Augmented Generation (RAG) couples a retriever with a large language model (LLM) to ground generated responses in external evidence. While this framework enhances factuality and domain adaptability, it faces a key bottleneck:…

Information Retrieval · Computer Science 2026-01-08 Sherine George

We introduce a novel retrieval-augmented generation (RAG) framework tailored for multihop question answering. First, our system uses large language model (LLM) to decompose complex multihop questions into a sequence of single-hop…

Computation and Language · Computer Science 2025-08-14 Seokgi Lee

Large Language Models (LLMs) excel in language tasks but are prone to hallucinations and outdated knowledge. Retrieval-Augmented Generation (RAG) mitigates these by grounding LLMs in external knowledge. However, in complex domains involving…

Computation and Language · Computer Science 2025-08-28 Peiran Zhou , Junnan Zhu , Yichen Shen , Ruoxi Yu

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

Retrieval Augmented Generation (RAG) is a framework for incorporating external knowledge, usually in the form of a set of documents retrieved from a collection, as a part of a prompt to a large language model (LLM) to potentially improve…

Information Retrieval · Computer Science 2025-02-24 Fangzheng Tian , Debasis Ganguly , Craig Macdonald
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