A detector that scores semantic gaps between an original text and its GPT-4o rephrasings (via AMR) and classifies the source, hitting 96.5% F1 on seen models and 85.6% in leave-one-out.
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DART: An AIGT Detector using AMR of Rephrased Text
A detector that scores semantic gaps between an original text and its GPT-4o rephrasings (via AMR) and classifies the source, hitting 96.5% F1 on seen models and 85.6% in leave-one-out.