Papers with selective approaches
Selective Span-Level Unlearning for Large Language Models (2026.acl-short)
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| Challenge: | Existing selective methods that focus on identifying token-level or span-level unlearning targets are misaligning unlearning objectives with the model’s internal behavior. |
| Approach: | They propose a selective method that uses model-intrinsic information to identify token-level or span-level unlearning targets within a text rather than entire sequences. |
| Outcome: | The proposed method achieves comparable unlearning performance while significantly better preserving retained knowledge. |