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InfoResearchPeer-reviewedLLM-specific

Risk-Aware Privacy Preservation for LLM Inference

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Summary

Researchers propose Rap-LI, a risk-aware privacy preservation framework for LLM inference services such as ChatGPT. It identifies and labels risky content in user prompts, then applies a risk-aware local differential privacy mechanism to sanitize the text. The authors report an average 51.68% improvement in protection against sensitive information leakage over methods with comparable utility.