Author

Takashi Ishida

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#natural language process... Preprint Sep 2026

DenMark: Robust Semantic Watermarking for Diffusion Language Models

DenMark is proposed, a semantic watermarking framework that injects key-dependent signals directly into the DLM denoising process and achieves the best results across all reported detection metrics in all 48 backbone-dataset-attack combinations.

Tian-Hao Ma, Weihao Xuan, Dong-Dong Wu et al. · 1 citation

#machine learning Preprint Sep 2026

Bayes-Optimal BER and AUC: Estimation and Evaluation of Estimators

The FeeBee framework is extended, originally proposed for evaluating Bayes-error estimators, to the optimal BER and AUC, and the resulting procedure provides practical evaluation scores without requiring knowledge of the optimum.

Ryota Ushio, Takashi Ishida, Masashi Sugiyama · 0 citations