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Xiaofan Bai

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Preprint Aug 2026

Targeted Counterfactual Fingerprinting for Black-Box LLM Ownership Verification

Large language models (LLMs) are high-value assets that can be derived through redeployment, fine-tuning, quantization, or further alignment. Because deployed LLMs are commonly exposed only through query APIs, ownership verification must often rely on black-box text responses. This setting is difficult: generations are...

Yu-Tong Wu, Xiao-Fan Bai, Shixin Li et al. · 1 citation
#artificial intelligence Preprint Aug 2026

SkillZip Pro: Execution-Aware Dynamic Compression of Progressively Loaded Skills for Self-Evolving Agents

This work introduces \method, an evaluation-free compressor for complete, progressively loaded skill bundles, which leaves the agent harness unchanged and emits an ordinary directory and preserves routing, so every required file and directly callable entry remains reachable after rewriting.

Xiaofan Bai, Chao Liu, Hong-Qiang Lin et al. · 0 citations
Preprint Aug 2026

SkillZip: Evaluation-Free Skill Compression for Self-Evolving Agents by Discovering Reusable Structure

SkillZip is presented, an evaluation-free method that compresses a skill by finding its shortest faithful structural explanation, subject to a hard coverage constraint for every extracted trigger, workflow edge, tool requirement, obligation, and output field.

Xiao-Fan Bai, Hong-Qiang Lin, Chao Liu et al. · 2 citations

Rethinking Self-Evolution: A Constrained Exploration-Exploitation Process for Mitigating Skill Overfitting

SkillBoost is proposed, a three-stage framework that mitigates both risks: structured exploitation localizes observed failures to editable skill components, prior-guided exploration draws on prior knowledge in the LLM to generate diverse repair candidates, and verified acceptance commits a candidate only when it improv...

Hong-Qiang Lin, Chao Liu, Xiaofan Bai et al. · 1 citation

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