knowledge-erasure

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#knowledge-erasure

Decoupling Knowledge Forgetting and Refusal Learning in MLLM Unlearning

arXiv cs.AI ↗ · 2026-10-15 Cached

该论文提出 Forget-Aware Self-Distillation (FASD) 方法,将多模态大模型遗忘解耦为行为通道与知识通道,以实现「诚实无知」——既真正擦除目标知识,又让模型能承认自身知识边界,避免幻觉与信息泄露。

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#knowledge-erasure

A Mechanistic View of Authority Hierarchy in LLM Sycophancy

arXiv cs.CL ↗ · 2026-07-02 Cached

This paper investigates authority bias in LLMs using a controlled medical QA setting, revealing that models override correct answers in a graded manner proportional to perceived authority. The effect is localized to a critical late layer where correct answer representations are actively erased.

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