Author

Zhenghua Bao

FlashLabs

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Preprint Aug 2026

Better Retrieval, Worse Robustness: How Multi-hop RAG Amplifies Upstream ASR Errors

Speech-based applications pass spoken queries through automatic speech recognition (ASR) before any retrieval module, so ASR errors enter the pipeline as a fixed upstream constraint. We empirically test whether two extensions to standard retrieval-augmented generation (RAG), entity-graph linking and iterative reformula...

Zhenghua Bao · 1 citation