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Retrieval-Augmented Generation (RAG) encounters efficiency challenges when scaling to massive knowledge bases while preserving contextual relevance. We propose Hash-RAG, a framework that integrates deep hashing techniques with systematic…

信息检索 · 计算机科学 2025-06-04 Jinyu Guo , Xunlei Chen , Qiyang Xia , Zhaokun Wang , Jie Ou , Libo Qin , Shunyu Yao , Wenhong Tian

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm to enhance large language models (LLMs) by conditioning generation on external evidence retrieved at inference time. While RAG addresses critical limitations of…

信息检索 · 计算机科学 2025-06-03 Chaitanya Sharma

Retrieval-Augmented Generation (RAG) enhances coding tasks by incorporating retrieved code examples into prompts. However, lengthy prompts, often exceeding tens of thousands of tokens, introduce challenges related to limited context windows…

软件工程 · 计算机科学 2026-04-13 Pengfei He , Shaowei Wang , Tse-Hsun Chen

Large language models (LLMs) often need to incorporate external knowledge to solve theme-specific problems. Retrieval-augmented generation (RAG) has shown its high promise, empowering LLMs to generate more qualified responses with retrieved…

机器学习 · 计算机科学 2025-08-05 Jimeng Shi , Sizhe Zhou , Bowen Jin , Wei Hu , Runchu Tian , Shaowen Wang , Giri Narasimhan , Jiawei Han

Retrieval-augmented generation (RAG) systems have advanced large language models (LLMs) in complex deep search scenarios requiring multi-step reasoning and iterative information retrieval. However, existing approaches face critical…

Retrieval Augmented Generation (RAG) is a promising technique for mitigating two key limitations of large language models (LLMs): outdated information and hallucinations. RAG system stores documents as embedding vectors in a database. Given…

信息检索 · 计算机科学 2026-02-10 Taehee Jeong , Xingzhe Zhao , Peizu Li , Markus Valvur , Weihua Zhao

Large Language Models (LLMs) have been integrated into recommender systems to enhance user behavior comprehension. The Retrieval Augmented Generation (RAG) technique is further incorporated into these systems to retrieve more relevant items…

信息检索 · 计算机科学 2025-03-27 Sichun Luo , Jian Xu , Xiaojie Zhang , Linrong Wang , Sicong Liu , Hanxu Hou , Linqi Song

Small language models (SLMs) support efficient deployments on resource-constrained edge devices, but their limited capacity compromises inference performance. Retrieval-augmented generation (RAG) is a promising solution to enhance model…

机器学习 · 计算机科学 2025-04-17 Shangyu Liu , Zhenzhe Zheng , Xiaoyao Huang , Fan Wu , Guihai Chen , Jie Wu

Long text classification is challenging for Large Language Models (LLMs) due to token limits and high computational costs. This study explores whether a Retrieval Augmented Generation (RAG) approach using only the most relevant text…

Short answer assessment is a vital component of science education, allowing evaluation of students' complex three-dimensional understanding. Large language models (LLMs) that possess human-like ability in linguistic tasks are increasingly…

计算与语言 · 计算机科学 2025-06-05 Yucheng Chu , Peng He , Hang Li , Haoyu Han , Kaiqi Yang , Yu Xue , Tingting Li , Joseph Krajcik , Jiliang Tang

Retrieval-Augmented Generation (RAG) helps LLMs stay accurate, but feeding long documents into a prompt makes the model slow and expensive. This has motivated context compression, ranging from token pruning and summarization to…

计算与语言 · 计算机科学 2026-01-09 Jianbo Li , Yi Jiang , Sendong Zhao , Bairui Hu , Haochun Wang , Bing Qin

Retrieval-Augmented Generation (RAG) has attracted significant attention due to its ability to combine the generative capabilities of Large Language Models (LLMs) with knowledge obtained through efficient retrieval mechanisms over…

密码学与安全 · 计算机科学 2026-01-19 Aiman Al Masoud , Marco Arazzi , Antonino Nocera

Retrieval augmented generation (RAG) combines the generative abilities of large language models (LLMs) with external knowledge sources to provide more accurate and up-to-date responses. Recent RAG advancements focus on improving retrieval…

Retrieval-Augmented Generation (RAG) is widely used to inject external non-parametric knowledge into large language models (LLMs). Recent works suggest that Knowledge Graphs (KGs) contain valuable external knowledge for LLMs. Retrieving…

计算与语言 · 计算机科学 2024-10-10 Wenyu Huang , Guancheng Zhou , Hongru Wang , Pavlos Vougiouklis , Mirella Lapata , Jeff Z. Pan

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.…

信号处理 · 电气工程与系统科学 2024-12-31 Runtao Ren , Yinyu Wu , Xuhui Zhang , Jinke Ren , Yanyan Shen , Shuqiang Wang , Kim-Fung Tsang

Retrieval-Augmented Generation (RAG) struggles on long, structured financial filings where relevant evidence is sparse and cross-referenced. This paper presents a systematic investigation of advanced metadata-driven Retrieval-Augmented…

信息检索 · 计算机科学 2025-10-29 Michail Dadopoulos , Anestis Ladas , Stratos Moschidis , Ioannis Negkakis

Retrieval Augmented Generation (RAG) has been a powerful tool for Large Language Models (LLMs) to efficiently process overly lengthy contexts. However, recent LLMs like Gemini-1.5 and GPT-4 show exceptional capabilities to understand long…

计算与语言 · 计算机科学 2024-10-18 Zhuowan Li , Cheng Li , Mingyang Zhang , Qiaozhu Mei , Michael Bendersky

The development of large language models (LLMs) has achieved superior performance in a range of downstream tasks, including LLM-based retrieval-augmented generation (RAG). The quality of generated content heavily relies on the usefulness of…

计算与语言 · 计算机科学 2026-01-27 Fengran Mo , Zhan Su , Yuchen Hui , Jinghan Zhang , Jia Ao Sun , Zheyuan Liu , Chao Zhang , Tetsuya Sakai , Jian-Yun Nie

Retrieval Augmented Generation (RAG) has emerged as a widely adopted approach to mitigate the limitations of large language models (LLMs) in answering domain-specific questions. Previous research has predominantly focused on improving the…

机器学习 · 计算机科学 2025-01-07 Mohammad Hassan Heydari , Arshia Hemmat , Erfan Naman , Afsaneh Fatemi

Recent studies show that large language models (LLMs) struggle with technical standards in telecommunications. We propose a fine-tuned retrieval-augmented generation (RAG) system based on the Phi-2 small language model (SLM) to serve as an…

计算与语言 · 计算机科学 2025-01-17 Omar Erak , Nouf Alabbasi , Omar Alhussein , Ismail Lotfi , Amr Hussein , Sami Muhaidat , Merouane Debbah