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Stylianos Psychias

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Preprint Oct 2026

UZHCL_for_the_win at Touche: Encoder Fine-Tuning, Synthetic Augmentation, and an Underpowered Encoder-LLM Comparison

This paper describes participation in all three subtasks, and characterise how much of the enhanced track's lift reflects organiser-rewritten inputs carrying label information rather than genuine argument clarification, and closes with the rare-class limitation on ST3 and the most useful follow-ups.

Stylianos Psychias · 0 citations

#natural language process... Preprint Jun 2026

ALEE: Any-Language Evaluation of Embeddings via English-Centric Minimal Pairs

A large-scale empirical study across a diverse set of embedding models and 275+ languages spanning three parallel datasets, exposing persistent gaps in cross-lingual semantic representation that track language prevalence in training resources and subword tokenization.

Andrianos Michail, Stylianos Psychias, Michelle Wastl et al. · 0 citations