Author

Zhi-Wei Xu

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Preprint Sep 2026

DUPAR: Dual-Path Conversational Retrieval via Speech Retriever with Cross-Turn Evidence Caching

Voice assistants grounded in external knowledge typically use automatic speech recognition (ASR) to transcribe speech queries before retrieving evidence from textual knowledge bases. This cascade adds latency and propagates recognition errors, whereas direct speech retrieval is vulnerable to cross-modal misalignment. T...

Yuan-Jun Li, Yi-Wen Liu, Da-Peng Li et al. · 0 citations

#artificial intelligence Preprint Sep 2026

AirAnchor: Bridging Local and Global Spatial Information for Zero-Shot Aerial Vision-and-Language Navigation

AirAnchor is proposed, a new paradigm that bridges local and global spatial information through spatial anchors and integrates both into a shared navigation framework, enabling comprehensive spatial grounding for decision-making.

Shan-Wei Fan, Bin Zhang, Zhi-Wei Xu et al. · 0 citations