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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…

The rapid expansion of space activities has led to an unprecedented accumulation of technical documentation, operational guidelines, and scientific literature, creating challenges for timely decision-making in space operations. Effective…

Information Retrieval · Computer Science 2026-05-28 Ruben Belo , Marta Guimarães , Cláudia Soares

Recently, Large Language Models (LLMs) have been increasingly used to support various decision-making tasks, assisting humans in making informed decisions. However, when LLMs confidently provide incorrect information, it can lead humans to…

Information Retrieval · Computer Science 2025-10-16 Chaeyun Jang , Deukhwan Cho , Seanie Lee , Hyungi Lee , Juho Lee

Retrieval-augmented generation (RAG) appears as a promising method to alleviate the "hallucination" problem in large language models (LLMs), since it can incorporate external traceable resources for response generation. The essence of RAG…

Computation and Language · Computer Science 2024-10-16 Haosheng Qian , Yixing Fan , Ruqing Zhang , Jiafeng Guo

Retrieval Augmented Generation (RAG) represents a significant advancement in artificial intelligence combining a retrieval phase with a generative phase, with the latter typically being powered by large language models (LLMs). The current…

Computation and Language · Computer Science 2024-06-24 Florin Cuconasu , Giovanni Trappolini , Nicola Tonellotto , Fabrizio Silvestri

Retrieval-Augmented Generation (RAG) has emerged as a prominent method for incorporating domain knowledge into Large Language Models (LLMs). While RAG enhances response relevance by incorporating retrieved domain knowledge in the context,…

Computation and Language · Computer Science 2025-03-28 Kushagra Bhushan , Yatin Nandwani , Dinesh Khandelwal , Sonam Gupta , Gaurav Pandey , Dinesh Raghu , Sachindra Joshi

Recent advancements in large language models (LLMs) and multi-modal LLMs have been remarkable. However, these models still rely solely on their parametric knowledge, which limits their ability to generate up-to-date information and…

Artificial Intelligence · Computer Science 2025-04-22 Zihan Ling , Zhiyao Guo , Yixuan Huang , Yi An , Shuai Xiao , Jinsong Lan , Xiaoyong Zhu , Bo Zheng

Retrieval-Augmented Generation (RAG), which integrates external knowledge into Large Language Models (LLMs), has proven effective in enabling LLMs to produce more accurate and reliable responses. However, it remains a significant challenge…

Computation and Language · Computer Science 2025-02-11 Yan Weng , Fengbin Zhu , Tong Ye , Haoyan Liu , Fuli Feng , Tat-Seng Chua

Graph-based Retrieval-Augmented Generation (RAG) methods have significantly enhanced the performance of large language models (LLMs) in domain-specific tasks. However, existing RAG methods do not adequately utilize the naturally inherent…

Computation and Language · Computer Science 2025-09-29 Haoyu Huang , Yongfeng Huang , Junjie Yang , Zhenyu Pan , Yongqiang Chen , Kaili Ma , Hongzhi Chen , James Cheng

Large Language Models (LLMs) have been integrated into recommender systems to enhance user behavior comprehension. The Retrieval Augmented Generation (RAG) technique is further incorporated into these systems to retrieve more relevant items…

Information Retrieval · Computer Science 2025-03-27 Sichun Luo , Jian Xu , Xiaojie Zhang , Linrong Wang , Sicong Liu , Hanxu Hou , Linqi Song

Recent advances in large language models (LLMs) have led to impressive progress in natural language generation, yet their tendency to produce hallucinated or unsubstantiated content remains a critical concern. To improve factual…

Computation and Language · Computer Science 2025-05-20 Xukai Liu , Ye Liu , Shiwen Wu , Yanghai Zhang , Yihao Yuan , Kai Zhang , Qi Liu

Retrieval augmented generation (RAG) has been applied in many scenarios to augment large language models (LLMs) with external documents provided by retrievers. However, a semantic gap exists between LLMs and retrievers due to differences in…

Computation and Language · Computer Science 2024-10-31 Fuda Ye , Shuangyin Li , Yongqi Zhang , Lei Chen

Retrieval-Augmented Generation (RAG) systems have emerged as a promising solution to enhance large language models (LLMs) by integrating external knowledge retrieval with generative capabilities. While significant advancements have been…

Human-Computer Interaction · Computer Science 2025-08-11 Sizhe Cheng , Jiaping Li , Huanchen Wang , Yuxin Ma

Despite the impressive capabilities of large language models (LLMs) across diverse applications, they still suffer from trustworthiness issues, such as hallucinations and misalignments. Retrieval-augmented language models (RAG) have been…

Artificial Intelligence · Computer Science 2024-07-31 Mintong Kang , Nezihe Merve Gürel , Ning Yu , Dawn Song , Bo Li

Retrieval-augmented generation (RAG) improves large language models (LLMs) by using external knowledge to guide response generation, reducing hallucinations. However, RAG, particularly multi-modal RAG, can introduce new hallucination…

Machine Learning · Computer Science 2025-01-08 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

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…

Retrieval-augmented generation (RAG) is a promising method for addressing some of the memory-related challenges associated with Large Language Models (LLMs). Two separate systems form the RAG pipeline, the retriever and the reader, and the…

Computation and Language · Computer Science 2024-11-13 Alexandria Leto , Cecilia Aguerrebere , Ishwar Bhati , Ted Willke , Mariano Tepper , Vy Ai Vo

The effectiveness of Large Language Models (LLMs) in generating accurate responses relies heavily on the quality of input provided, particularly when employing Retrieval Augmented Generation (RAG) techniques. RAG enhances LLMs by sourcing…

Information Retrieval · Computer Science 2024-08-02 Spurthi Setty , Harsh Thakkar , Alyssa Lee , Eden Chung , Natan Vidra

Large Language Models (LLMs) have shown promising performance on diverse medical benchmarks, highlighting their potential in supporting real-world clinical tasks. Retrieval-Augmented Generation (RAG) has emerged as a key approach for…

Computation and Language · Computer Science 2025-09-30 Kaishuai Xu , Wenjun Hou , Yi Cheng , Wenjie Li

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…

Computation and Language · Computer Science 2025-06-05 Yucheng Chu , Peng He , Hang Li , Haoyu Han , Kaiqi Yang , Yu Xue , Tingting Li , Joseph Krajcik , Jiliang Tang
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