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Author

Marcel Bollmann

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#natural language process... Preprint Sep 2026

A Systematic Comparison of Multilingual Interpretability Methods Reveals Anisotropy-Driven Failures

Only ILO's correlation with cross-lingual transfer (Spearman's $\rho = 0.90$) survives controls for model size, family, and per-task variation and is recommended as the primary sharing metric to be reported alongside anisotropy diagnostics.

Oskar Holmström, Marcel Bollmann, Marco Kuhlmann · 0 citations
#artificial intelligence Preprint Sep 2026

Probing Factual Knowledge Transfer with Training Data Interventions

The results show that fact transfer is very limited: under the strictest removal condition, a large majority of English-acquired facts fail to transfer into Persian, and it is shown that sentence-level co-occurrence removal is insufficient to eliminate fact signal.

Romina Oji, Marc Braun, Marcel Bollmann et al. · 0 citations

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