Permute-and-Flip: An optimally robust and watermarkable decoder for LLMs
Authors: Xuandong Zhao, Lei Li, Yu-Xiang Wang
Published on: February 08, 2024
Impact Score: 8.38
Arxiv code: Arxiv:2402.05864
Summary
- What is new: Introduction of the Permute-and-Flip (PF) decoder that offers a better quality-robustness tradeoff compared to standard sampling decoders.
- Why this is important: Existing decoding methods and watermarking schemes lack an optimal balance between quality, robustness, and security.
- What the research proposes: The PF decoder improves decoding quality and robustness, alongside a cryptographic watermarking scheme for security without altering text distribution.
- Results: The PF decoder and its watermarking scheme outperform traditional sampling and Gumbel watermarking in perplexity and detectability without compromising robustness.
Technical Details
Technological frameworks used: nan
Models used: nan
Data used: nan
Potential Impact
Companies in the field of natural language processing (NLP), cybersecurity, and digital content creation could benefit or need to adapt.
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