Demystifying the Privacy-Utility Trade-off in LLM Interactions
By distilling a lightweight model Veilmind-4B to drive a dynamic extraction-sanitization-restoration pipeline, this approach reaches a low-leakage privacy point while preserving substantially higher response utility than existing privacy-oriented baselines, advancing the privacy-utility trade-off toward the Pareto fron...
Zhenhua Liu, Zhan-Xu Xie, Junjie Yu et al.
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