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Small language models (SLMs) support efficient deployments on resource-constrained edge devices, but their limited capacity compromises inference performance. Retrieval-augmented generation (RAG) is a promising solution to enhance model…

机器学习 · 计算机科学 2025-04-17 Shangyu Liu , Zhenzhe Zheng , Xiaoyao Huang , Fan Wu , Guihai Chen , Jie Wu

Automatic evaluation of retrieval augmented generation (RAG) systems relies on fine-grained dimensions like faithfulness and relevance, as judged by expert human annotators. Meta-evaluation benchmarks support the development of automatic…

计算与语言 · 计算机科学 2025-07-22 María Andrea Cruz Blandón , Jayasimha Talur , Bruno Charron , Dong Liu , Saab Mansour , Marcello Federico

Large language models (LLMs) often generate outdated or inaccurate information based on static training datasets. Retrieval-augmented generation (RAG) mitigates this by integrating outside data sources. While previous RAG systems used…

Large Language Models (LLMs) have greatly contributed to the development of adaptive intelligent agents and are positioned as an important way to achieve Artificial General Intelligence (AGI). However, LLMs are prone to produce factually…

计算与语言 · 计算机科学 2024-08-29 Weijian Xie , Xuefeng Liang , Yuhui Liu , Kaihua Ni , Hong Cheng , Zetian Hu

Providing external knowledge to Large Language Models (LLMs) is a key point for using these models in real-world applications for several reasons, such as incorporating up-to-date content in a real-time manner, providing access to…

计算与语言 · 计算机科学 2024-06-04 Simon Akesson , Frances A. Santos

Retrieval-augmented generation (RAG) has emerged as a promising solution for mitigating hallucinations of large language models (LLMs) with retrieved external knowledge. Adaptive RAG enhances this approach by enabling dynamic retrieval…

计算与语言 · 计算机科学 2024-10-07 Huanshuo Liu , Hao Zhang , Zhijiang Guo , Jing Wang , Kuicai Dong , Xiangyang Li , Yi Quan Lee , Cong Zhang , Yong Liu

Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating external knowledge to generate a response within a context with improved accuracy and reduced hallucinations. However, multi-modal RAG systems face…

机器学习 · 计算机科学 2025-01-09 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Retrieval Augmented Generation (RAG) is a common method for integrating external knowledge into pretrained Large Language Models (LLMs) to enhance accuracy and relevancy in question answering (QA) tasks. However, prompt engineering and…

计算与语言 · 计算机科学 2024-10-18 Isaac Chung , Phat Vo , Arman C. Kizilkale , Aaron Reite

Retrieval Augmented Generation (RAG) has gained widespread adoption owing to its capacity to empower large language models (LLMs) to integrate external knowledge. However, existing RAG frameworks are primarily designed for text-based LLMs…

声音 · 计算机科学 2025-02-21 Yifu Chen , Shengpeng Ji , Haoxiao Wang , Ziqing Wang , Siyu Chen , Jinzheng He , Jin Xu , Zhou Zhao

Effective teaching requires adapting instructional strategies to accommodate the diverse cognitive and behavioral profiles of students, a persistent challenge in education and teacher training. While Large Language Models (LLMs) offer…

人工智能 · 计算机科学 2025-05-27 Debdeep Sanyal , Agniva Maiti , Umakanta Maharana , Dhruv Kumar , Ankur Mali , C. Lee Giles , Murari Mandal

Efficient adaption of large language models (LLMs) on edge devices is essential for applications requiring continuous and privacy-preserving adaptation and inference. However, existing tuning techniques fall short because of the high…

Large language models (LLMs) have recently become the leading source of answers for users' questions online. Despite their ability to offer eloquent answers, their accuracy and reliability can pose a significant challenge. This is…

Retrieval-Augmented Generation (RAG) lifts the factuality of Large Language Models (LLMs) by injecting external knowledge, yet it falls short on problems that demand multi-step inference; conversely, purely reasoning-oriented approaches…

Effectively retrieving, reasoning, and understanding multimodal information remains a critical challenge for agentic systems. Traditional Retrieval-augmented Generation (RAG) methods rely on linear interaction histories, which struggle to…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Qiuchen Wang , Shihang Wang , Yu Zeng , Qiang Zhang , Fanrui Zhang , Zhuoning Guo , Bosi Zhang , Wenxuan Huang , Lin Chen , Zehui Chen , Pengjun Xie , Ruixue Ding

Modern recommender systems face a critical challenge in complying with privacy regulations like the 'right to be forgotten': removing a user's data without disrupting recommendations for others. Traditional unlearning methods address this…

信息检索 · 计算机科学 2025-11-11 Haichao Zhang , Chong Zhang , Peiyu Hu , Shi Qiu , Jia Wang

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by pulling in external material, document, code, manuals, from vast and ever-growing corpora, to effectively answer user queries. The effectiveness of RAG depends…

信息检索 · 计算机科学 2025-11-20 Yifan Xu , Vipul Gupta , Rohit Aggarwal , Varsha Mahadevan , Bhaskar Krishnamachari

Integrating Large Language Models (LLMs) in Intelligent Tutoring Systems (ITS) presents transformative opportunities for personalized education. However, current implementations face two critical challenges: maintaining factual accuracy and…

计算与语言 · 计算机科学 2025-02-13 Chenxi Dong , Yimin Yuan , Kan Chen , Shupei Cheng , Chujie Wen

Multimodal Retrieval-Augmented Generation (mRAG) has emerged as a promising solution to address the temporal limitations of Multimodal Large Language Models (MLLMs) in real-world scenarios like news analysis and trending topics. However,…

人工智能 · 计算机科学 2025-08-13 Yuechen Wang , Yuming Qiao , Dan Meng , Jun Yang , Haonan Lu , Zhenyu Yang , Xudong Zhang

This paper introduces SemRAG, an enhanced Retrieval Augmented Generation (RAG) framework that efficiently integrates domain-specific knowledge using semantic chunking and knowledge graphs without extensive fine-tuning. Integrating…

计算与语言 · 计算机科学 2025-07-30 Kezhen Zhong , Basem Suleiman , Abdelkarim Erradi , Shijing Chen

Research question answering requires accurate retrieval and contextual understanding of scientific literature. However, current Retrieval-Augmented Generation (RAG) methods often struggle to balance complex document relationships with…

信息检索 · 计算机科学 2025-01-28 Yuntong Hu , Zhihan Lei , Zhongjie Dai , Allen Zhang , Abhinav Angirekula , Zheng Zhang , Liang Zhao