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Retrieval-Augmented Generation (RAG) enhances Large Language Model (LLM) output by providing prior knowledge as context to input. This is beneficial for knowledge-intensive and expert reliant tasks, including legal question-answering, which…

Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for knowledge injection during large language model (LLM) inference in recent years. However, due to their limited ability to exploit fine-grained inter-document…

计算与语言 · 计算机科学 2025-09-09 Weitao Li , Kaiming Liu , Xiangyu Zhang , Xuanyu Lei , Weizhi Ma , Yang Liu

Large language models (LLMs) excel in question-answering (QA) tasks, and retrieval-augmented generation (RAG) enhances their precision by incorporating external evidence from diverse sources like web pages, databases, and knowledge graphs.…

信息检索 · 计算机科学 2025-04-10 Yikuan Xia , Jiazun Chen , Yirui Zhan , Suifeng Zhao , Weipeng Jiang , Chaorui Zhang , Wei Han , Bo Bai , Jun Gao

Retrieval-augmented generation (RAG) is a key means to effectively enhance large language models (LLMs) in many knowledge-based tasks. However, existing RAG methods struggle with knowledge-intensive reasoning tasks, because useful…

计算与语言 · 计算机科学 2024-10-28 Zhuoqun Li , Xuanang Chen , Haiyang Yu , Hongyu Lin , Yaojie Lu , Qiaoyu Tang , Fei Huang , Xianpei Han , Le Sun , Yongbin Li

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,…

计算与语言 · 计算机科学 2025-12-18 Youmin Ko , Sungjong Seo , Hyunjoon Kim

We present a retrieval-augmented question answering framework for 5G/6G networks, where the Open Radio Access Network (O-RAN) has become central to disaggregated, virtualized, and AI-driven wireless systems. While O-RAN enables multi-vendor…

网络与互联网体系结构 · 计算机科学 2026-01-07 Nathan Conger , Nathan Scollar , Kemal Davaslioglu , Yalin E. Sagduyu , Sastry Kompella

Large Reasoning Models (LRMs) exhibit remarkable reasoning abilities but rely primarily on parametric knowledge, limiting factual accuracy. While recent works equip reinforcement learning (RL)-based LRMs with retrieval capabilities, they…

计算与语言 · 计算机科学 2025-05-20 Zhicheng Lee , Shulin Cao , Jinxin Liu , Jiajie Zhang , Weichuan Liu , Xiaoyin Che , Lei Hou , Juanzi Li

With context windows of millions of tokens, Long-Context Language Models (LCLMs) can encode entire document collections, offering a strong alternative to conventional retrieval-augmented generation (RAG). However, it remains unclear whether…

计算与语言 · 计算机科学 2026-01-27 Francesco Maria Molfese , Momchil Hardalov , Rexhina Blloshmi , Bill Byrne , Adrià de Gispert

Document Understanding is a foundational AI capability with broad applications, and Document Question Answering (DocQA) is a key evaluation task. Traditional methods convert the document into text for processing by Large Language Models…

计算与语言 · 计算机科学 2025-09-10 Xixi Wu , Yanchao Tan , Nan Hou , Ruiyang Zhang , Hong Cheng

Retrieval-augmented Generation (RAG) extends large language models (LLMs) with external knowledge but faces key challenges: restricted effective context length and redundancy in retrieved documents. Pure compression-based approaches reduce…

计算与语言 · 计算机科学 2025-07-09 Yiqiao Jin , Kartik Sharma , Vineeth Rakesh , Yingtong Dou , Menghai Pan , Mahashweta Das , Srijan Kumar

Retrieval-augmented generation (RAG) empowers large language models (LLMs) to utilize external knowledge sources. The increasing capacity of LLMs to process longer input sequences opens up avenues for providing more retrieved information,…

计算与语言 · 计算机科学 2024-10-10 Bowen Jin , Jinsung Yoon , Jiawei Han , Sercan O. Arik

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

The efficient processing of long context poses a serious challenge for large language models (LLMs). Recently, retrieval-augmented generation (RAG) has emerged as a promising strategy for this problem, as it enables LLMs to make selective…

计算与语言 · 计算机科学 2025-02-18 Kun Luo , Zheng Liu , Peitian Zhang , Hongjin Qian , Jun Zhao , Kang Liu

Retrieval-Augmented Generation (RAG) has become a core paradigm in document question answering tasks. However, existing methods have limitations when dealing with multimodal documents: one category of methods relies on layout analysis and…

计算与语言 · 计算机科学 2026-03-09 Wang Chen , Wenhan Yu , Guanqiang Qi , Weikang Li , Yang Li , Lei Sha , Deguo Xia , Jizhou Huang

We introduce EXIT, an extractive context compression framework that enhances both the effectiveness and efficiency of retrieval-augmented generation (RAG) in question answering (QA). Current RAG systems often struggle when retrieval models…

计算与语言 · 计算机科学 2025-05-30 Taeho Hwang , Sukmin Cho , Soyeong Jeong , Hoyun Song , SeungYoon Han , Jong C. Park

Retrieval-augmented generation (RAG) has emerged as an approach to augment large language models (LLMs) by reducing their reliance on static knowledge and improving answer factuality. RAG retrieves relevant context snippets and generates an…

计算与语言 · 计算机科学 2025-02-21 Juraj Vladika , Florian Matthes

Retrieval-augmented generation (RAG) has emerged as a promising paradigm for enhancing large language models (LLMs) on multi-hop question answering (QA), which requires reasoning over evidence from multiple documents. Current multi-hop RAG…

计算与语言 · 计算机科学 2026-05-28 Yikai Zhu , Kunfeng Chen , Qihuang Zhong , Juhua Liu , Bo Du

Retrieval-Augmented Generation (RAG) has become an essential approach for extending the reasoning and knowledge capacity of large language models (LLMs). While prior research has primarily focused on retrieval quality and prompting…

计算与语言 · 计算机科学 2025-12-09 Jiamin Chen , Yuchen Li , Xinyu Ma , Xinran Chen , Xiaokun Zhang , Shuaiqiang Wang , Chen Ma , Dawei Yin

Retrieval-Augmented Generation (RAG) has recently demonstrated the performance of Large Language Models (LLMs) in the knowledge-intensive tasks such as Question-Answering (QA). RAG expands the query context by incorporating external…

机器学习 · 计算机科学 2024-06-18 Zijian Hei , Weiling Liu , Wenjie Ou , Juyi Qiao , Junming Jiao , Guowen Song , Ting Tian , Yi Lin

Recent multimodal large language models (MLLMs) still struggle with long document understanding due to two fundamental challenges: information interference from abundant irrelevant content, and the quadratic computational cost of…

计算与语言 · 计算机科学 2025-11-14 Yongxin Shi , Jiapeng Wang , Zeyu Shan , Dezhi Peng , Zening Lin , Lianwen Jin