PORT reweights tokens to align models on noisy preferences
The method uses token log-probability CDFs as a forward-only proxy and beats sequence-level baselines under label noise.
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Stories tagged #noisy-labels
PLC-DPO: Posterior Label Correction in Noisy and Ambiguous Preference Optimization
PLC-DPO corrects noisy preference labels during DPO by routing each pair as clean, flip, or tie using calibrated policy-reference margins.