Representation-Aware Unlearning via Activation Signatures: From Suppression to Entity-Signature Erasure

Syed Naveed Mahmood, Md. Rezaur Rahman Bhuiyan, Tasfia Zaman +5

Entity-level unlearning is usually evaluated by what a model says: whether it stops naming the target, refuses a query, or shifts a Truth Ratio distribution. These output-level tes…