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Author

Wei-Bei Fan

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Jul 2026

Prior Directions: Why GUI Grounding Gets Locked in the Past

Vision-language models often use descriptions of earlier visual states to make decisions about the current scene. When the scene changes, stale language can redirect an otherwise correct visual judgment toward an outdated answer. We study this failure as visual lock-in in a controlled grounding setting where only the v...

Wei Gong, Zijian Lu, Mingcai Chen et al. · 0 citations
Jul 2026

VITAL-RAG: Invariance Race for Context Allocation in Coding Agents

VITAL-RAG is introduced, which organizes evidence by canonical code object, keeps one query-relevant companion only when it adds semantics not already represented, and renders selected evidence under per-object and global token budgets.

Zi-Jian Lu, Yonghua Lu, Ming-Cai Chen et al. · 0 citations

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