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Zhihui Sun

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Preprint Jul 2026

SVD-RAG: Efficient Tree-Organized Retrieval-Augmented Generation via Singular Value Decomposition

Retrieval-Augmented Generation (RAG) systems enhance large language models by retrieving relevant documents from external knowledge bases. Recent work by Sarthi et al. (2024) introduced RAPTOR, which organizes documents into hierarchical tree structures for efficient retrieval, but requires expensive LLM-based abstract...

Zhihui Sun · 0 citations