unlearning
1 article tagged with unlearning
July 6, 2026
researchAmazon Web Services
AWS introduces rDPO unlearning technique to reduce false content moderation in Amazon Nova models by 53 percentage point
AWS has developed Reverse Direct Preference Optimization (rDPO), a novel unlearning technique that reduces over-deflection in Amazon Nova models by up to 53 percentage points. The approach allows organizations to selectively adjust content moderation safeguards while preserving general model capabilities through LoRA adapters.