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Yanjie Zhang

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#artificial intelligence Preprint Sep 2026

Do Audio LLMs Listen Before They Act? Diagnosing Acoustic-Context Gating in Voice Agents

Audio language models can recognize spoken commands and invoke tools, but an agent must first decide whether the acoustic and conversational context warrants action. We introduce VGBench, a 1,018-item diagnostic benchmark for action-level addressedness across side-talk, self-talk, and speaker-switch scenarios. Each ite...

Yan-Jie Zhang, Nan-Chen Hu, Yu-Shi Sun · 0 citations
#artificial intelligence Preprint Sep 2026

When Users Change Their Minds: Measuring and Repairing Intent Drift in LLM Agents

Intent drift is established as a measurable multi-turn failure mode and explicit state maintenance as a partial mitigation and IntentFlux is introduced, an executable benchmark that converts verifiable tasks into dialogues with controlled intent changes while preserving their original graders.

Yan-Jie Zhang, Bo-Wen Cao, Zi-Xin Chen et al. · 0 citations
Preprint Aug 2026

When Memory Lies: An Empirical Study of Spatial Memory Staleness in VLM Agents

Memory-augmented VLM agents act on persistent spatial knowledge, yet that knowledge silently goes stale as the environment changes. We ask what happens when an agent must reconcile a confident memory claim with a contradicting observation, and whether current models can catch the conflict before it becomes a safety-rel...

Yu-Shi Sun, Yan-Jie Zhang · 1 citation · ⚡1

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