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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

Most existing audio-text retrieval (ATR) methods focus on constructing contrastive pairs between whole audio clips and complete caption sentences, while ignoring fine-grained cross-modal relationships, e.g., short segments and phrases or…

声音 · 计算机科学 2025-05-06 Yifei Xin , Yuexian Zou

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) is widely used to mitigate hallucinations of Large Language Models (LLMs) by leveraging external knowledge. While effective for simple queries, traditional RAG systems struggle with large-scale,…

计算与语言 · 计算机科学 2025-11-11 Luyao Zhuang , Shengyuan Chen , Yilin Xiao , Huachi Zhou , Yujing Zhang , Hao Chen , Qinggang Zhang , Xiao Huang

Retrieval-augmented generation (RAG) has become a cornerstone of contemporary NLP, enhancing large language models (LLMs) by allowing them to access richer factual contexts through in-context retrieval. While effective in monolingual…

计算与语言 · 计算机科学 2026-03-31 Leonardo Ranaldi , Barry Haddow , Alexandra Birch

High-fidelity agent initialization is crucial for credible Agent-Based Modeling across diverse domains. A robust framework should be Topic-Adaptive, capturing macro-level joint distributions while ensuring micro-level individual…

人工智能 · 计算机科学 2026-04-07 Rongxin Chen , Tianyu Wu , Bingbing Xu , Jiatang Luo , Xiucheng Xu , Huawei Shen

Retrieval Augmented Generation (RAG) has emerged as the de facto industry standard for user-facing NLP applications, offering the ability to integrate data without re-training or fine-tuning Large Language Models (LLMs). This capability…

密码学与安全 · 计算机科学 2026-01-13 Lukas Ammann , Sara Ott , Christoph R. Landolt , Marco P. Lehmann

Retrieval-augmented generation (RAG) techniques have proven to be effective in integrating up-to-date information, mitigating hallucinations, and enhancing response quality, particularly in specialized domains. While many RAG approaches…

Retrieval-augmented generation (RAG) enhances the text generation capabilities of large language models (LLMs) by integrating external knowledge and up-to-date information. However, traditional RAG systems are limited by static workflows…

Although retrieval-augmented generation(RAG) significantly improves generation quality by retrieving external knowledge bases and integrating generated content, it faces computational efficiency bottlenecks, particularly in knowledge…

机器学习 · 计算机科学 2026-02-03 Zihang Li , Yangdong Ruan , Wenjun Liu , Zhengyang Wang , Tong Yang

Retrieval-Augmented Generation (RAG) is a promising approach to mitigate hallucinations in Large Language Models (LLMs) for legal applications, but its reliability is critically dependent on the accuracy of the retrieval step. This is…

Multi-hop question answering (MHQA) requires integrating knowledge scattered across multiple passages to derive the correct answer. Traditional retrieval-augmented generation (RAG) methods primarily focus on coarse-grained textual semantic…

计算与语言 · 计算机科学 2025-08-18 Changjian Wang , Weihong Deng , Weili Guan , Quan Lu , Ning Jiang

The complexity of modern computing environments and the growing sophistication of cyber threats necessitate a more robust, adaptive, and automated approach to security enforcement. In this paper, we present a framework leveraging large…

密码学与安全 · 计算机科学 2025-06-06 Pablo Fernández Saura , K. R. Jayaram , Vatche Isahagian , Jorge Bernal Bernabé , Antonio Skarmeta

Retrieval-Augmented Generation (RAG) has emerged as a powerful approach to boost the capabilities of large language models (LLMs) by incorporating external, up-to-date knowledge sources. However, this introduces a potential vulnerability to…

机器学习 · 计算机科学 2026-03-30 Kennedy Edemacu , Vinay M. Shashidhar , Micheal Tuape , Dan Abudu , Beakcheol Jang , Jong Wook Kim

Retrieval-Augmented Generation (RAG) has emerged as a promising framework to mitigate hallucinations in Large Language Models (LLMs), yet its overall performance is dependent on the underlying retrieval system. In the finance domain,…

信息检索 · 计算机科学 2025-03-20 Sejong Kim , Hyunseo Song , Hyunwoo Seo , Hyunjun Kim

Retrieval-Augmented Generation (RAG) helps large language models (LLMs) answer knowledge-intensive and time-sensitive questions by conditioning generation on external evidence. However, most RAG systems still retrieve unstructured chunks…

计算与语言 · 计算机科学 2026-03-11 Jiashuo Sun , Yixuan Xie , Jimeng Shi , Shaowen Wang , Jiawei Han

Recent advancements in QA with LLM, like GPT-4, have shown limitations in handling complex multi-hop queries. We propose AT-RAG, a novel multistep RAG incorporating topic modeling for efficient document retrieval and reasoning. Using…

计算与语言 · 计算机科学 2024-10-18 Mohammad Reza Rezaei , Maziar Hafezi , Amit Satpathy , Lovell Hodge , Ebrahim Pourjafari

This paper presents OG-RAG, an Ontology-Grounded Retrieval Augmented Generation method designed to enhance LLM-generated responses by anchoring retrieval processes in domain-specific ontologies. While LLMs are widely used for tasks like…

计算与语言 · 计算机科学 2024-12-23 Kartik Sharma , Peeyush Kumar , Yunqing Li

Recent advances in Large Language Models (LLMs) have significantly improved complex reasoning capabilities. Retrieval-Augmented Generation (RAG) has further extended these capabilities by grounding generation in dynamically retrieved…

计算与语言 · 计算机科学 2026-02-23 Jash Rajesh Parekh , Pengcheng Jiang , Jiawei Han

Recent advancements in language models (LMs) have notably enhanced their ability to reason with tabular data, primarily through program-aided mechanisms that manipulate and analyze tables. However, these methods often require the entire…

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