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Retrain sparse checkpoint on the cleaned corpus (removes the punctuation bias artefact)

Fix evaluation: re-measure token classification on the true held-out fold

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Update README.md

Create README.md

Substitui modelo pelo gus-net-bert-sparse mantendo o nome do repo

Replace with paper-clean model (punct-fixed dataset, focal loss)

Upload GUS-Net BERT model with optimized thresholds

initial commit