Jigsaw Biased Comments

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2nd place solution

multiple models…

LOSS

different weights … for different groups, toxic loss and identity loss

Predict

split the score to 11 classes, 0.0, 0.1 ~ 1.0 and the prediction is toxic_logits * cls_vals zipwise product

then blend….

Power 3.5 weighted sum …

3rd place solution

blend

optuna to determine blending weight