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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…

Information Retrieval · Computer Science 2025-01-28 Yuntong Hu , Zhihan Lei , Zhongjie Dai , Allen Zhang , Abhinav Angirekula , Zheng Zhang , Liang Zhao

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those relying on Retrieval-Augmented Generation (RAG), remains challenging due to high computational demands, outdated knowledge bases, and the need to manually select optimal…

Polymer literature contains a large and growing body of experimental knowledge, yet much of it is buried in unstructured text and inconsistent terminology, making systematic retrieval and reasoning difficult. Existing tools typically…

Computational Engineering, Finance, and Science · Computer Science 2026-02-19 Sonakshi Gupta , Akhlak Mahmood , Wei Xiong , Rampi Ramprasad

Retrieval-Augmented Generation (RAG) has significantly enhanced Large Language Models' ability to access external knowledge, yet current graph-based RAG approaches face two critical limitations in managing hierarchical information: they…

Artificial Intelligence · Computer Science 2026-01-09 Chunyu Wei , Huaiyu Qin , Siyuan He , Yunhai Wang , Yueguo Chen

Retrieval-augmented generation (RAG) can enhance the generation quality of large language models (LLMs) by incorporating external token databases. However, retrievals from large databases can constitute a substantial portion of the overall…

Computation and Language · Computer Science 2024-03-12 Wenqi Jiang , Shuai Zhang , Boran Han , Jie Wang , Bernie Wang , Tim Kraska

New technologies in generative AI can enable deeper analysis into our nation's supply chains but truly informative insights require the continual updating and aggregation of massive data in a timely manner. Large Language Models (LLMs)…

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm to enhance large language models (LLMs) by conditioning generation on external evidence retrieved at inference time. While RAG addresses critical limitations of…

Information Retrieval · Computer Science 2025-06-03 Chaitanya Sharma

Despite their remarkable capabilities, large language models (LLMs) often produce responses containing factual inaccuracies due to their sole reliance on the parametric knowledge they encapsulate. Retrieval-Augmented Generation (RAG), an ad…

Computation and Language · Computer Science 2023-10-19 Akari Asai , Zeqiu Wu , Yizhong Wang , Avirup Sil , Hannaneh Hajishirzi

The octagonal shrinkage and clustering algorithm for regression (OSCAR), equipped with the $\ell_1$-norm and a pair-wise $\ell_{\infty}$-norm regularizer, is a useful tool for feature selection and grouping in high-dimensional data…

Optimization and Control · Mathematics 2018-03-29 Ziyan Luo , Defeng Sun , Kim-Chuan Toh , Naihua Xiu

Retrieval-Augmented Generation (RAG) systems face significant performance gaps when applied to technical domains requiring precise information extraction from complex documents. Current evaluation methodologies relying on document-level…

Machine Learning · Computer Science 2025-02-25 Aryan Jadon , Avinash Patil , Shashank Kumar

Financial analysts face significant challenges extracting information from lengthy 10-K reports, which often exceed 100 pages. This paper presents a Retrieval-Augmented Generation (RAG) system designed to answer questions about S&P 500…

Computation and Language · Computer Science 2026-04-29 Zhiyuan Cheng , Longying Lai , Yue Liu , Kai Cheng , Xiaoxi Qi

Large language models (LLMs) achieve optimal utility when their responses are grounded in external knowledge sources. However, real-world documents, such as annual reports, scientific papers, and clinical guidelines, frequently combine…

Information Retrieval · Computer Science 2025-12-17 Chi Zhang , Qiyang Chen , Mengqi Zhang

Retrieval-Augmented Generation (RAG) has gained significant popularity in modern Large Language Models (LLMs) due to its effectiveness in introducing new knowledge and reducing hallucinations. However, the deep understanding of RAG remains…

Computation and Language · Computer Science 2024-10-07 Jingyu Liu , Jiaen Lin , Yong Liu

The growing demand for efficient and lightweight Retrieval-Augmented Generation (RAG) systems has highlighted significant challenges when deploying Small Language Models (SLMs) in existing RAG frameworks. Current approaches face severe…

Artificial Intelligence · Computer Science 2025-01-28 Tianyu Fan , Jingyuan Wang , Xubin Ren , Chao Huang

This paper presents the development and evaluation of a Retrieval-Augmented Generation (RAG) system for querying the United Kingdom's National Institute for Health and Care Excellence (NICE) clinical guidelines using Large Language Models…

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…

Computation and Language · Computer Science 2024-06-04 Simon Akesson , Frances A. Santos

Natural language to SQL translation (Text-to-SQL) is one of the long-standing problems that has recently benefited from advances in Large Language Models (LLMs). While most academic Text-to-SQL benchmarks request schema description as a…

Computation and Language · Computer Science 2026-01-13 Rajpreet Singh , Novak Boškov , Lawrence Drabeck , Aditya Gudal , Manzoor A. Khan

Large Language Models (LLMs) have demonstrated impressive ability in generation and reasoning tasks but struggle with handling up-to-date knowledge, leading to inaccuracies or hallucinations. Retrieval-Augmented Generation (RAG) mitigates…

Databases · Computer Science 2026-03-13 Ziting Wang , Haitao Yuan , Wei Dong , Gao Cong , Feifei Li

Corrective Retrieval Augmented Generation (CRAG) improves the robustness of RAG systems by evaluating retrieved document quality and triggering corrective actions. However, the original implementation relies on proprietary components…

Information Retrieval · Computer Science 2026-03-18 Surya Vardhan Yalavarthi

Retrieval-Augmented Generation (RAG) depends on document ranking to provide useful evidence for generation, but conventional reranking methods mainly optimize query-document relevance rather than generation usefulness. A relevant document…

Computation and Language · Computer Science 2026-05-07 Zhipeng Song , Yizhi Zhou , Xiangyu Kong , Jiulong Jiao , Xuezhou Ye , Chunqi Gao , Xueqing Shi , Yuhang Zhou , Heng Qi