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cs.CL2026
Better Retrieval, Worse Robustness: How Multi-hop RAG Amplifies Upstream ASR Errors
Zhenghua Bao
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 constrain…
cs.CL2026
IndexRAG: Index-Time Reasoning for Multi-Hop Retrieval-Augmented Generation
Zhenghua Bao, Yi Shi
Multi-hop question answering (QA) requires reasoning across multiple documents, yet existing retrieval-augmented generation (RAG) approaches address this either through graph-based…