Temperature Matters: Enhancing Watermark Robustness Against Paraphrasing Attacks

Fuente: arXiv
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Autori principali: Idrissi, Badr Youbi, Millunzi, Monica, Sorrenti, Amelia, Baraldi, Lorenzo, Dementieva, Daryna
Natura: Preprint
Pubblicazione: 2025
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author Idrissi, Badr Youbi
Millunzi, Monica
Sorrenti, Amelia
Baraldi, Lorenzo
Dementieva, Daryna
author_facet Idrissi, Badr Youbi
Millunzi, Monica
Sorrenti, Amelia
Baraldi, Lorenzo
Dementieva, Daryna
contents In the present-day scenario, Large Language Models (LLMs) are establishing their presence as powerful instruments permeating various sectors of society. While their utility offers valuable support to individuals, there are multiple concerns over potential misuse. Consequently, some academic endeavors have sought to introduce watermarking techniques, characterized by the inclusion of markers within machine-generated text, to facilitate algorithmic identification. This research project is focused on the development of a novel methodology for the detection of synthetic text, with the overarching goal of ensuring the ethical application of LLMs in AI-driven text generation. The investigation commences with replicating findings from a previous baseline study, thereby underscoring its susceptibility to variations in the underlying generation model. Subsequently, we propose an innovative watermarking approach and subject it to rigorous evaluation, employing paraphrased generated text to asses its robustness. Experimental results highlight the robustness of our proposal compared to the~\cite{aarson} watermarking method.
format Preprint
id arxiv_https___arxiv_org_abs_2506_22623
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Temperature Matters: Enhancing Watermark Robustness Against Paraphrasing Attacks
Idrissi, Badr Youbi
Millunzi, Monica
Sorrenti, Amelia
Baraldi, Lorenzo
Dementieva, Daryna
Computation and Language
Artificial Intelligence
In the present-day scenario, Large Language Models (LLMs) are establishing their presence as powerful instruments permeating various sectors of society. While their utility offers valuable support to individuals, there are multiple concerns over potential misuse. Consequently, some academic endeavors have sought to introduce watermarking techniques, characterized by the inclusion of markers within machine-generated text, to facilitate algorithmic identification. This research project is focused on the development of a novel methodology for the detection of synthetic text, with the overarching goal of ensuring the ethical application of LLMs in AI-driven text generation. The investigation commences with replicating findings from a previous baseline study, thereby underscoring its susceptibility to variations in the underlying generation model. Subsequently, we propose an innovative watermarking approach and subject it to rigorous evaluation, employing paraphrased generated text to asses its robustness. Experimental results highlight the robustness of our proposal compared to the~\cite{aarson} watermarking method.
title Temperature Matters: Enhancing Watermark Robustness Against Paraphrasing Attacks
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2506.22623