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Xinfeng Li

LetterJohn
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AI & ML interests

Trustworthy AI, AI for Security & Privacy

Recent Activity

upvoted a paper about 2 months 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 4 months ago
AgentDoG: A Diagnostic Guardrail Framework for AI Agent Safety and Security
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Organizations

Zhejiang University's profile picture