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Junghun Yuk

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#natural language process... Preprint Sep 2026

Distribution-aware Language Neuron Identification in Multilingual Large Language Models

Distribution-aware Language Neuron selection is proposed, which leverages pairwise relationships between per-language activation distributions over the full activation range, including negative values, to quantify each neuron's language specificity by clustering languages using pairwise overlap coefficients between the...

Minjun Kim, Inho Won, Junghun Yuk et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Hidden Threat in Synthetic Data: Covert Targeted Bias Injection through Benign Text

This work constructs a pipeline in which a misaligned teacher model generates filtered synthetic datasets across domains such as creative writing and code generation, which are then used to fine-tune aligned student models, and shows that benign-looking synthetic data can act as a covert channel for transmitting target...

Minkyung Cho, Jihyo Kim, Seungwoo Song et al. · 0 citations

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