Exploring the Limitations of Detecting Machine-Generated Text

• URL: http://arxiv.org/abs/2406.11073v1
• Date: Sun, 16 Jun 2024 21:02:02 GMT
• Title: Exploring the Limitations of Detecting Machine-Generated Text
• Authors: Jad Doughman, Osama Mohammed Afzal, Hawau Olamide Toyin, Shady Shehata, Preslav Nakov, Zeerak Talat,
• Abstract summary: We critically examine the classification performance for detecting machine-generated text by evaluating on texts with varying writing styles. We find that classifiers are highly sensitive to stylistic changes and differences in text complexity. We further find that detection systems are particularly susceptible to misclassify easy-to-read texts while they have high performance for complex texts.
• Score: 29.06307663406079
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent improvements in the quality of the generations by large language models have spurred research into identifying machine-generated text. Systems proposed for the task often achieve high performance. However, humans and machines can produce text in different styles and in different domains, and it remains unclear whether machine generated-text detection models favour particular styles or domains. In this paper, we critically examine the classification performance for detecting machine-generated text by evaluating on texts with varying writing styles. We find that classifiers are highly sensitive to stylistic changes and differences in text complexity, and in some cases degrade entirely to random classifiers. We further find that detection systems are particularly susceptible to misclassify easy-to-read texts while they have high performance for complex texts.

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