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With the advent of large language models (LLMs) and multimodal large language models (MLLMs), the potential of retrieval-augmented generation (RAG) has attracted considerable research attention. Various novel algorithms and models have been…

计算与语言 · 计算机科学 2025-02-25 Jiajie Jin , Yutao Zhu , Guanting Dong , Yuyao Zhang , Xinyu Yang , Chenghao Zhang , Tong Zhao , Zhao Yang , Zhicheng Dou , Ji-Rong Wen

In enterprise settings, efficiently retrieving relevant information from large and complex knowledge bases is essential for operational productivity and informed decision-making. This research presents a systematic empirical framework for…

In the era of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures are gaining significant attention for their ability to ground language generation in reliable knowledge sources. Despite their effectiveness, RAG…

信息检索 · 计算机科学 2026-05-11 Francesco Granata , Francesco Poggi , Misael Mongiovì

Deploying Large Language Model (LLM) applications, particularly those relying on Retrieval-Augmented Generation (RAG), remains challenging due to high computational demands, outdated knowledge bases, and the need to manually select optimal…

Large Language Models (LLMs) have shown remarkable performance on general Question Answering (QA), yet they often struggle in domain-specific scenarios where accurate and up-to-date information is required. Retrieval-Augmented Generation…

计算与语言 · 计算机科学 2026-02-13 Haoyue Bai , Haoyu Wang , Shengyu Chen , Zhengzhang Chen , Lu-An Tang , Wei Cheng , Haifeng Chen , Yanjie Fu

Retrieval-Augmented Generation (RAG) has emerged as a promising approach to address key limitations of Large Language Models (LLMs), such as hallucination, outdated knowledge, and lacking reference. However, current RAG frameworks often…

信息检索 · 计算机科学 2025-09-17 Zihan Wang , Zihan Liang , Zhou Shao , Yufei Ma , Huangyu Dai , Ben Chen , Lingtao Mao , Chenyi Lei , Yuqing Ding , Han Li

Large Language Models (LLMs) exhibit remarkable capabilities but are prone to generating inaccurate or hallucinatory responses. This limitation stems from their reliance on vast pretraining datasets, making them susceptible to errors in…

计算与语言 · 计算机科学 2024-04-02 Chi-Min Chan , Chunpu Xu , Ruibin Yuan , Hongyin Luo , Wei Xue , Yike Guo , Jie Fu

Large language models (LLMs) have demonstrated remarkable capabilities in a wide range of tasks, yet their application to specialized domains remains challenging due to the need for deep expertise. Retrieval-Augmented generation (RAG) has…

Technical troubleshooting in enterprise environments often involves navigating diverse, heterogeneous data sources to resolve complex issues effectively. This paper presents a novel agentic AI solution built on a Weighted…

人工智能 · 计算机科学 2024-12-18 Rajat Khanda

Retrieval-Augmented Generation (RAG) systems often face limitations in specialized domains such as fintech, where domain-specific ontologies, dense terminology, and acronyms complicate effective retrieval and synthesis. This paper…

Recent advance in Dense Retrieval (DR) techniques has significantly improved the effectiveness of first-stage retrieval. Trained with large-scale supervised data, DR models can encode queries and documents into a low-dimensional dense space…

信息检索 · 计算机科学 2022-08-18 Jingtao Zhan , Qingyao Ai , Yiqun Liu , Jiaxin Mao , Xiaohui Xie , Min Zhang , Shaoping Ma

Retrieval-augmented generation (RAG) enables large language models (LLMs) to produce evidence-based responses, and its performance hinges on the matching between the retriever and LLMs. Retriever optimization has emerged as an efficient…

机器学习 · 计算机科学 2026-02-04 Yicheng Zhang , Zhen Qin , Zhaomin Wu , Wenqi Zhang , Shuiguang Deng

Retrieval-Augmented Generation (RAG) is an effective method to enhance the capabilities of large language models (LLMs). Existing methods typically optimize the retriever or the generator in a RAG system by directly using the top-k…

计算与语言 · 计算机科学 2025-10-07 Shaohan Wang , Licheng Zhang , Zheren Fu , Zhendong Mao , Yongdong Zhang

As artificial intelligence permeates judicial forensics, ensuring the veracity and traceability of legal question answering (QA) has become critical. Conventional large language models (LLMs) are prone to hallucination, risking misleading…

人工智能 · 计算机科学 2025-11-18 Yueqing Xi , Yifan Bai , Huasen Luo , Weiliang Wen , Hui Liu , Haoliang Li

Retrieval-augmented generation (RAG) systems often rely on static retrieval, limiting adaptation to evolving intent and content drift. We introduce Dynamic Memory Alignment (DMA), an online learning framework that systematically…

人工智能 · 计算机科学 2025-11-10 Yu Bai , Yukai Miao , Dawei Wang , Li Chen , Fei Long , Rundi Zhai , Dan Li , Yanyu Ren , Tianfeng Liu , Hongtao Xie , Ce Yang , Xuhui Cai

Retrieval-augmented generation (RAG) generally enhances large language models' (LLMs) ability to solve knowledge-intensive tasks. But RAG may also lead to performance degradation due to imperfect retrieval and the model's limited ability to…

计算与语言 · 计算机科学 2025-05-29 Shuyang Cao , Karthik Radhakrishnan , David Rosenberg , Steven Lu , Pengxiang Cheng , Lu Wang , Shiyue Zhang

Large Language Models (LLMs) have enabled a wide range of applications through their powerful capabilities in language understanding and generation. However, as LLMs are trained on static corpora, they face difficulties in addressing…

计算与语言 · 计算机科学 2025-10-13 Yongjie Wang , Yue Yu , Kaisong Song , Jun Lin , Zhiqi Shen

This paper presents our submission to the QIAS 2025 shared task on Islamic knowledge understanding and reasoning. We developed a hybrid retrieval-augmented generation (RAG) system that combines sparse and dense retrieval methods with…

计算与语言 · 计算机科学 2025-09-30 Muhammad Abu Ahmad , Mohamad Ballout , Raia Abu Ahmad , Elia Bruni

Retrieval-augmented generation (RAG) improves the response quality of large language models (LLMs) by retrieving knowledge from external databases. Typical RAG approaches split the text database into chunks, organizing them in a flat…

计算与语言 · 计算机科学 2025-11-18 Boyu Chen , Zirui Guo , Zidan Yang , Yuluo Chen , Junze Chen , Zhenghao Liu , Chuan Shi , Cheng Yang

Retrieval-augmented generation (RAG) enhances large language models (LLMs) for domain-specific question-answering (QA) tasks by leveraging external knowledge sources. However, traditional RAG systems primarily focus on relevance-based…

计算与语言 · 计算机科学 2025-05-26 Mohammad Reza Rezaei , Adji Bousso Dieng