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Xiu-Zhen Cheng

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#artificial intelligence Preprint Sep 2026

UNBIND: UNlearning By INference-time Directional Steering for Code LLMs

Code large language models acquire programming capabilities from large code corpora, but can also memorize implementations that later require removal. Code unlearning is needed to control their continued reproduction when copyright or security concerns arise. However, targeted and retained code share computational patt...

Zhengyang Shan, Jia-Yu Xin, Yan-Jun Lin et al. · 0 citations
Jul 2026

Mask2Shield: Strengthening LLM Safety against Neuron-Pruning Attacks

Mask2Shield (M2S), a masked-forward alignment method that trains a model under this functional pruning procedure, reduces successful recomputed pruning attacks from 80--279 to 1--44 out of 313 prompts while generally preserving four capability benchmarks.

Jincheng Ying, Ming-Hui Xu, Yinhao Xiao et al. · 0 citations

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