Author

O. Kotevska

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Preprint Aug 2026

Extending the Horizon of Early Diagnosis: Lung Cancer Prediction with Vision Transformers

Lung cancer remains a leading cause of cancer-related mortality worldwide, and early diagnosis is critical for improving survival. However, early-stage malignancies can be subtle on chest X-rays, creating challenges for radiologists. This study evaluates Vision Transformers (ViTs) for predicting lung cancer one to two...

O. Kotevska, Ian Goethert, Michael McGee et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Forgetting Only What Matters: Layer-Selective Unlearning toward Robust LLMs

Large Language Models (LLMs) can memorize and reproduce sensitive, copyrighted, or otherwise undesirable training content, creating privacy, safety, and regulatory concerns. Machine unlearning offers a practical alternative to full retraining, but many existing methods apply broad or fixed parameter updates that can de...

Ravi Ranjan, O. Kotevska, Agoritsa Polyzou · 0 citations