SimpleMark: Fast Multi-Bit Text Watermarking under f -Divergence Constraints
We introduce a framework for multi-bit text watermarking with security defined directly through $f$-divergence from the base language model distribution. Unlike prior approaches that focus on average-key distortion-freeness or a particular statistical distance, our formulation supports general $f$-divergences, includin...
Benjamin D. Kim, Wan-Rong Zhang, Wei-Tong Ruan et al.
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