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相关论文: EdgeRAG: Online-Indexed RAG for Edge Devices

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A conception of mobile edge generation (MEG) is proposed, where generative artificial intelligence (GAI) models are distributed at edge servers (ESs) and user equipment (UE), enabling joint execution of generation tasks. Various distributed…

网络与互联网体系结构 · 计算机科学 2024-01-18 Ruikang Zhong , Xidong Mu , Yimeng Zhang , Mona Jabor , Yuanwei Liu

Interest in generative Electrocardiogram-Language Models (ELMs) is growing, as they can produce textual responses conditioned on ECG signals and textual queries. Unlike traditional classifiers that output label probabilities, ELMs are more…

计算与语言 · 计算机科学 2025-10-02 Xiaoyu Song , William Han , Tony Chen , Chaojing Duan , Michael A. Rosenberg , Emerson Liu , Ding Zhao

Retrieval-Augmented Generation (RAG) has become a foundational component of modern AI systems, yet it introduces significant privacy risks by exposing user queries to service providers. To address this, we introduce PIR-RAG, a practical…

信息检索 · 计算机科学 2025-09-29 Baiqiang Wang , Qian Lou , Mengxin Zheng , Dongfang Zhao

In Mobile Edge Computing (MEC), Internet of Things (IoT) devices offload computationally-intensive tasks to edge nodes, where they are executed within containers, reducing the reliance on centralized cloud infrastructure. Frequent upgrades…

分布式、并行与集群计算 · 计算机科学 2023-07-25 Hanshuai Cui , Zhiqing Tang , Jiong Lou , Weijia Jia

Retrieval-Augmented Generation (RAG) is a well-established and rapidly evolving field within AI that enhances the outputs of large language models by integrating relevant information retrieved from external knowledge sources. While industry…

信息检索 · 计算机科学 2025-11-19 Lorenz Brehme , Benedikt Dornauer , Thomas Ströhle , Maximilian Ehrhart , Ruth Breu

Retrieval-augmented generation (RAG) has gained wide attention as the key component to improve generative models with external knowledge augmentation from information retrieval. It has shown great prominence in enhancing the functionality…

信息检索 · 计算机科学 2024-11-06 Zihan Wang , Xuri Ge , Joemon M. Jose , Haitao Yu , Weizhi Ma , Zhaochun Ren , Xin Xin

Retrieval-Augmented Generation (RAG) has become a widely adopted paradigm for enhancing the reliability of large language models (LLMs). However, RAG systems are sensitive to retrieval strategies that rely on text chunking to construct…

信息检索 · 计算机科学 2026-03-31 Sun Xu , Tongkai Xu , Baiheng Xie , Li Huang , Qiang Gao , Kunpeng Zhang

Most conventional Retrieval-Augmented Generation (RAG) pipelines rely on relevance-based retrieval, which often misaligns with utility -- that is, whether the retrieved passages actually improve the quality of the generated text specific to…

信息检索 · 计算机科学 2026-01-28 Manish Chandra , Debasis Ganguly , Iadh Ounis

Retrieval-Augmented Generation (RAG) effectively enhances Large Language Models (LLMs) by incorporating retrieved external knowledge into the generation process. Reasoning models improve LLM performance in multi-hop QA tasks, which require…

计算与语言 · 计算机科学 2026-01-21 Guo Chen , Junjie Huang , Huaijin Xie , Fei Sun , Tao Jia

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…

信息检索 · 计算机科学 2025-04-29 Zirui Guo , Lianghao Xia , Yanhua Yu , Tu Ao , Chao Huang

Graph-based retrieval-augmented generation (RAG) enriches large language models (LLMs) with external knowledge for long-context understanding and multi-hop reasoning, but existing methods face a granularity dilemma: fine-grained…

计算与语言 · 计算机科学 2025-09-26 Yaxiong Wu , Jianyuan Bo , Yongyue Zhang , Sheng Liang , Yong Liu

While large language models (LLMs) have achieved state-of-the-art performance on a wide range of medical question answering (QA) tasks, they still face challenges with hallucinations and outdated knowledge. Retrieval-augmented generation…

计算与语言 · 计算机科学 2024-02-26 Guangzhi Xiong , Qiao Jin , Zhiyong Lu , Aidong Zhang

Large Language Models (LLMs) face an inherent challenge: their knowledge is confined to the data that they have been trained on. To overcome this issue, Retrieval-Augmented Generation (RAG) complements the static training-derived knowledge…

Large language models (LLMs) have demonstrated impressive capabilities in language tasks, but they require high computing power and rely on static knowledge. To overcome these limitations, Retrieval-Augmented Generation (RAG) incorporates…

分布式、并行与集群计算 · 计算机科学 2025-02-17 Jiaxing Li , Chi Xu , Lianchen Jia , Feng Wang , Cong Zhang , Jiangchuan Liu

High-quality exploratory data analysis (EDA) is essential in the data science pipeline, but remains highly dependent on analysts' expertise and effort. While recent LLM-based approaches partially reduce this burden, they struggle to…

人机交互 · 计算机科学 2026-02-20 Yi Shan , Yixuan He , Zekai Shao , Kai Xu , Siming Chen

Retrieval-augmented generation (RAG) is widely used to augment large language models (LLMs) with external knowledge. However, many benchmark datasets, designed to test RAG performance, comprise many questions that can already be answered…

计算与语言 · 计算机科学 2026-05-12 Jiayi Liu , Jiaxing Zhang , Bowen Jin , Jennifer Neville

Edge computing is a distributed computing paradigm that collects and processes data at or near the source of data generation. The on-device learning at edge relies on device-to-device wireless communication to facilitate real-time data…

机器学习 · 计算机科学 2024-12-18 Hanqiu Chen , Xuebin Yao , Pradeep Subedi , Cong Hao

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for enhancing the performance of large language models (LLMs) by integrating external knowledge into the generation process. A key component of RAG pipelines is the…

计算与语言 · 计算机科学 2025-04-07 Yuwei An , Yihua Cheng , Seo Jin Park , Junchen Jiang

Retrieval-Augmented Generation (RAG) systems commonly adopt retrieval fusion techniques such as multi-query retrieval and reciprocal rank fusion (RRF) to increase document recall, under the assumption that higher recall leads to better…

信息检索 · 计算机科学 2026-03-03 Luigi Medrano , Arush Verma , Mukul Chhabra

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding generation in external knowledge to improve factuality and reduce hallucinations. Yet most deployments assume a centralized corpus, which is infeasible…

计算与语言 · 计算机科学 2026-02-06 Zhilin Liang , Yuxiang Wang , Zimu Zhou , Hainan Zhang , Boyi Liu , Yongxin Tong