Xinfeng Li's picture

Xinfeng Li

LetterJohn

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AI & ML interests

Trustworthy AI, AI for Security & Privacy

Recent Activity

upvoted a paper about 1 month ago

Internal Safety Collapse in Frontier Large Language Models

upvoted a paper 2 months ago

BandPO: Bridging Trust Regions and Ratio Clipping via Probability-Aware Bounds for LLM Reinforcement Learning

upvoted a paper 3 months ago

AgentDoG: A Diagnostic Guardrail Framework for AI Agent Safety and Security

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