الباحثون

Zhenhua Xu

المنشورات 2

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Relevance Is Not Sufficiency: What Actually Closes the Evidence Gap in Long-Term Memory QA

Yufeng Li, Shuxin Li, Zhenhua Xu وآخرون · 2026

LLM agents that interact with a user across many sessions accumulate histories that exceed their context window, so they store past interactions in an external memory and answer each question from a small set of retrieved records. Existing memory systems rank records by lexical or embedding relevance, yet the top-ranke …

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FocusDrive: Reasoning with Visual Focus for Autonomous Driving

Zhiyuan Liu, Zehong Ke, Yuanxin Tian وآخرون · 2026

Driving decisions depend on both where to focus and how to act on what is seen. Effective driving reasoning must establish which objects matter, where they are, and how they inform the intended action. Text-based rationales can describe a driving response while leaving its correspondence to specific visual evidence imp …

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