PAN@CLEF 2026 Voight-Kampff AI-generated text detector: calibrated DeBERTa + LightGBM + SVM ensemble over 44 domain-portable features (0.891 ROC-AUC).
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Jul 5, 2026 - Python
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PAN@CLEF 2026 Reasoning Trajectory Detection: 1st place source detection (0.85 F1) and 3rd safety classification (0.66 F1) — feature robustness under domain shift.
multilingual lightgbm feature-engineering domain-shift ai-detection llm-detection refusal-detection clef2026 safety-classification pan-clef vocabulary-fingerprints
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Jul 5, 2026 - Python
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