AINeutralarXiv – CS AI · 14h ago6/10
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AliMark: Enhancing Robustness of Sentence-Level Watermarking Against Text Paraphrasing
Researchers introduce AliMark, a novel sentence-level watermarking framework that improves robustness against text paraphrasing by reformulating watermark detection as a bit sequence alignment problem. The approach uses multiple text variants and adaptive alignment strategies to withstand structural perturbations like sentence splitting and merging, substantially outperforming existing methods against strong paraphrasers.