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Retrieval-augmented generation (RAG) has gained traction as a powerful approach for enhancing language models by integrating external knowledge sources. However, RAG introduces challenges such as retrieval latency, potential errors in…

计算与语言 · 计算机科学 2025-02-25 Brian J Chan , Chao-Ting Chen , Jui-Hung Cheng , Hen-Hsen Huang

Retrieval-augmented generation (RAG) techniques have emerged as a promising solution to enhance the reliability of large language models (LLMs) by addressing issues like hallucinations, outdated knowledge, and domain adaptation. In…

计算与语言 · 计算机科学 2025-01-28 Weihang Su , Yichen Tang , Qingyao Ai , Junxi Yan , Changyue Wang , Hongning Wang , Ziyi Ye , Yujia Zhou , Yiqun Liu

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

计算与语言 · 计算机科学 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

Retrieval-augmented Large Language Models (LLMs) offer substantial benefits in enhancing performance across knowledge-intensive scenarios. However, these methods often face challenges with complex inputs and encounter difficulties due to…

计算与语言 · 计算机科学 2024-10-17 Haoyu Wang , Ruirui Li , Haoming Jiang , Jinjin Tian , Zhengyang Wang , Chen Luo , Xianfeng Tang , Monica Cheng , Tuo Zhao , Jing Gao

Retrieval-Augmented Generation (RAG) offers an effective solution to the issues faced by Large Language Models (LLMs) in hallucination generation and knowledge obsolescence by incorporating externally retrieved knowledge. However, existing…

计算与语言 · 计算机科学 2025-07-01 Yongxin Xu , Ruizhe Zhang , Xinke Jiang , Yujie Feng , Yuzhen Xiao , Xinyu Ma , Runchuan Zhu , Xu Chu , Junfeng Zhao , Yasha Wang

Retrieval-Augmented Generation (RAG) aims to enhance large language models (LLMs) to generate more accurate and reliable answers with the help of the retrieved context from external knowledge sources, thereby reducing the incidence of…

计算与语言 · 计算机科学 2024-10-17 Jintao Liu , Ruixue Ding , Linhao Zhang , Pengjun Xie , Fie Huang

Ensuring truthfulness in large language models (LLMs) remains a critical challenge for reliable text generation. While supervised fine-tuning and reinforcement learning with human feedback have shown promise, they require a substantial…

机器学习 · 计算机科学 2026-03-17 Manh Nguyen , Sunil Gupta , Hung Le

Retrieval-augmented generation (RAG) is increasingly recognized as an effective approach to mitigating the hallucination of large language models (LLMs) through the integration of external knowledge. While numerous efforts, most studies…

计算与语言 · 计算机科学 2025-10-10 Shuo Yu , Mingyue Cheng , Qi Liu , Daoyu Wang , Jiqian Yang , Jie Ouyang , Yucong Luo , Chenyi Lei , Enhong Chen

Current context augmentation methods, such as retrieval-augmented generation, are essential for solving knowledge-intensive reasoning tasks. However, they typically adhere to a rigid, brute-force strategy that executes retrieval at every…

计算与语言 · 计算机科学 2026-01-15 Rubing Chen , Jian Wang , Wenjie Li , Xiao-Yong Wei , Qing Li

This paper addresses the challenge of comprehending very long contexts in Large Language Models (LLMs) by proposing a method that emulates Retrieval Augmented Generation (RAG) through specialized prompt engineering and chain-of-thought…

计算与语言 · 计算机科学 2025-02-19 Joon Park , Kyohei Atarashi , Koh Takeuchi , Hisashi Kashima

Retrieval-augmented generation (RAG) enhances large language models by incorporating context retrieved from external knowledge sources. While the effectiveness of the retrieval module is typically evaluated with relevance-based ranking…

信息检索 · 计算机科学 2026-01-13 Jia-Huei Ju , Suzan Verberne , Maarten de Rijke , Andrew Yates

In the context of knowledge-driven seq-to-seq generation tasks, such as document-based question answering and document summarization systems, two fundamental knowledge sources play crucial roles: the inherent knowledge embedded within model…

计算与语言 · 计算机科学 2025-01-16 Han Cao , Zhaoyang Zhang , Xiangtian Li , Chufan Wu , Hansong Zhang , Wenqing Zhang

Retrieval-augmented generation methods often neglect the quality of content retrieved from external knowledge bases, resulting in irrelevant information or potential misinformation that negatively affects the generation results of large…

计算与语言 · 计算机科学 2025-05-09 Yun Jiang , Zilong Xie , Wei Zhang , Yun Fang , Shuai Pan

This paper studies multi-task training of retrieval-augmented generation models for knowledge-intensive tasks. We propose to clean the training set by utilizing a distinct property of knowledge-intensive generation: The connection of…

计算与语言 · 计算机科学 2022-07-08 Sebastian Hofstätter , Jiecao Chen , Karthik Raman , Hamed Zamani

Large language models (LLMs) may generate outputs that are misaligned with user intent, lack contextual grounding, or exhibit hallucinations during conversation, which compromises the reliability of LLM-based applications. This review aimed…

计算与语言 · 计算机科学 2025-12-01 Gabriele Cesar Iwashima , Claudia Susie Rodrigues , Claudio Dipolitto , Geraldo Xexéo

As Large Language Models (LLMs) continue to evolve, more are being designed to handle long-context inputs. Despite this advancement, most of them still face challenges in accurately handling long-context tasks, often showing the "lost in…

计算与语言 · 计算机科学 2024-12-13 Yijiong Yu , Yongfeng Huang , Zhixiao Qi , Zhe Zhou

Recent advancements in long-context language models (LCLMs) promise to transform Retrieval-Augmented Generation (RAG) by simplifying pipelines. With their expanded context windows, LCLMs can process entire knowledge bases and perform…

计算与语言 · 计算机科学 2025-06-10 Yifu Qiu , Varun Embar , Yizhe Zhang , Navdeep Jaitly , Shay B. Cohen , Benjamin Han

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by conditioning generation on retrieved external documents, but the effect of retrieved context is often non-trivial. In realistic retrieval settings, the retrieved…

计算与语言 · 计算机科学 2026-04-17 Samuel Yeh , Sharon Li

Large Language Models (LLMs) have garnered widespread attention due to their remarkable performance across various tasks. However, to mitigate the issue of hallucinations, LLMs often incorporate retrieval-augmented pipeline to provide them…

计算与语言 · 计算机科学 2024-08-29 Haowen Hou , Fei Ma , Binwen Bai , Xinxin Zhu , Fei Yu

Detecting hallucinations in large language model (LLM) outputs is pivotal, yet traditional fine-tuning for this classification task is impeded by the expensive and quickly outdated annotation process, especially across numerous vertical…

人工智能 · 计算机科学 2024-07-09 Dongxu Zhang , Varun Gangal , Barrett Martin Lattimer , Yi Yang