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David Kletz

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#natural language process... Preprint Oct 2026

Are Language Models Script-Aware?

Language models frequently generate outputs in unintended languages or scripts, a phenomenon known as off-target generation. While existing research has focused on language selection, the dimension of script knowledge remains understudied: before any linguistic understanding can occur, users must recognize the graphic...

David Kletz, Sandra Mitrovic, Ljiljana Dolamic et al. · 0 citations
#natural language process... Preprint Sep 2026

Script Choice in LLMs: Evidence for Late-Layer Commitment

This paper investigates how script knowledge is distributed across the layers of LLMs using two complementary interpretability methods: logistic regression probing and logit-lens analysis, which show that script commitment consistently occurs at the very last layers of the LLMs.

David Kletz, Sandra Mitrovic, Itay Sabato et al. · 0 citations
Open access 2026

Evaluating Multilingual Tokenization under Worst-N Parity-Aware BPE

This paper presents a multilingual evaluation of parity-aware to-kenization under worst-N optimization, extending PA-BPE to jointly optimize over the N worst-compressed languages.

Vani Kanjirangat, David Kletz, Tanja Samardzic et al. · 0 citations

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