Enhancing LLM Factual Accuracy with RAG to Counter Hallucinations: A Case Study on Domain-Specific Queries in Private Knowledge-Bases
On the map: Retrieval-augmented generation → RAG robustness and adaptive retrieval
Abstract (arXiv)
We proposed an end-to-end system design towards utilizing Retrieval Augmented Generation (RAG) to improve the factual accuracy of Large Language Models (LLMs) for domain-specific and time-sensitive queries related to private knowledge-bases. Our system integrates RAG pipeline with upstream datasets processing and downstream performance evaluation. Addressing the challenge of LLM hallucinations, we finetune models with a curated dataset which originates from CMU's extensive resources and annotated with the teacher model. Our experiments demonstrate the system's effectiveness in generating more accurate answers to domain-specific and time-sensitive inquiries. The results also revealed the limitations of fine-tuning LLMs with small-scale and skewed datasets. This research highlights the potential of RAG systems in augmenting LLMs with external datasets for improved performance in knowledge-intensive tasks. Our code and models are available on Github.
Key facts. Cited by 76 papers in the map (data through 7 Oct 2026). Placed in RAG robustness and adaptive retrieval, one of 15 directions in Retrieval-augmented generation. Builds on 9 of its 16 references that are in the map. First posted on arXiv 15 Mar 2024.
Builds on
9 of 16 references.
References · 9
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- 2022Discovering Latent Knowledge in Language Models Without Supervisioncited by 733
- 2022A Survey on In-context Learningcited by 717
- 2023Larger language models do in-context learning differentlycited by 386
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Citing papers per year: 2024: 19; 2025: 46; 2026: 11.
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- 2026Predictive Prototyping: Evaluating Design Concepts with ChatGPT18 Jan 2026
- 2025Hi-Reco: High-Fidelity Real-Time Conversational Digital Humans16 Nov 2025
- 2025Human or LLM as Standardized Patients? A Comparative Study for Medical Education12 Nov 2025
- 2025Iterative Critique-Refine Framework for Enhancing LLM Personalization28 Oct 2025
- 2025From Retrieval to Generation: Unifying External and Parametric Knowledge for Medical Question Answering21 Oct 2025
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- 2025ConfAgents: A Conformal-Guided Multi-Agent Framework for Cost-Efficient Medical Diagnosis6 Aug 2025
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