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Author

Tanja Baeumel

German Research Center for Artificial Intelligence (DFKI)

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#machine learning Preprint May 2026

Judge Circuits Explain Format-Induced Inconsistency in LLM-as-a-Judge

By structurally decoupling abstract judging from output formatting, this work provides a mechanistic account of format-induced inconsistency on the open-weight models the authors study and implies that benchmark comparisons of judge reliability across formats partly measure the fragile formatting stage, and can underst...

Nils Feldhus, Tanja Baeumel, Elena Golimblevskaia et al. · 1 citation
#natural language process... Preprint Sep 2026

Compositional Multilingual and Behavioral Attribute Steering

This study examines the compositionality of steering vectors for language and behavioral control in large language models. Focusing on language, jailbreak, and conciseness, we investigate whether additive, training-free composition of attribute steering vectors can preserve the intended steering effect of each attribut...

Hyunku Kang, Daniil Gurgurov, Tanja Baeumel et al. · 0 citations

When Tokenization is Secretly Output Supervision

It is argued that framing tokenization as output supervision provides a principled account of why tokenization consistently affects model performance, and that differences in task performance, training dynamics, and model internals are induced by output tokenization and largely invariant to input tokenization.

Tanja Baeumel, Josef van Genabith, Simon Ostermann · 0 citations

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