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Summary of Freqmark: Frequency-based Watermark For Sentence-level Detection Of Llm-generated Text, by Zhenyu Xu and Kun Zhang and Victor S. Sheng


FreqMark: Frequency-Based Watermark for Sentence-Level Detection of LLM-Generated Text

by Zhenyu Xu, Kun Zhang, Victor S. Sheng

First submitted to arxiv on: 9 Oct 2024

Categories

  • Main: Computation and Language (cs.CL)
  • Secondary: Cryptography and Security (cs.CR); Machine Learning (cs.LG)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
The proposed FreqMark technique embeds frequency-based watermarks in Large Language Model (LLM)-generated text, enabling accurate identification of LLM-generated content even in mixed-text scenarios. By leveraging periodic signals to guide token selection, FreqMark creates a detectable watermark that can be analyzed using Short-Time Fourier Transform (STFT). The method shows strong detection capabilities against various attack scenarios, outperforming existing detection methods with an AUC improvement of up to 0.98.
Low GrooveSquid.com (original content) Low Difficulty Summary
This paper proposes a way to identify text generated by Large Language Models (LLMs) by adding special marks or “watermarks” that can be detected later. The watermark is made by changing the frequency of words in a specific pattern, making it hard for others to remove without leaving traces. This technique helps stop the misuse of LLMs for spreading false information.

Keywords

» Artificial intelligence  » Auc  » Large language model  » Token