Author

Ruiqi Liu

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Preprint Aug 2026

Exploring and Bridging Knowledge Holes in Unlearned Multimodal Large Language Models

This work constructs a benchmark that captures unintended degradation on benign inputs sharing generic patterns with the forget set, and proposes Selective Protection with Anchored Regularization, which protects generic patterns via anchored activation filtering while reinforcing them through entity-abstracted enhancement.

Junxian You, Junkai Chen, Yuhao He et al. · 0 citations

Preprint Aug 2026

Toward Fine-Grained Forgetting:Attribute Unlearning for Multimodal Large Language Models

This work proposes Causal Localization and Retain-Aware Projection (CLRP), a lightweight training-free framework that uses activation patching to identify the layer that causally mediates target-attribute disclosure, then applies a retain-aware projection that removes the target-attribute subspace while preserving same-identity evidence.

Junkai Lin, Junkai Chen, Siqi Hou et al. · 0 citations