Jannis Vamvas, PhD

Michelle Wastl, Jannis Vamvas and Rico Sennrich. 2026. SwissGov-RSD: A Human-annotated, Cross-lingual Benchmark for Token-level Recognition of Semantic Differences Between Related Documents. In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics, San Diego, California, United States. Association for Computational Linguistics. [cite] [data] [code]

Apertus Team. 2026. Apertus: Democratizing Open and Compliant LLMs for Global Language Environments. In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics, San Diego, California, United States. Association for Computational Linguistics. [cite] [model]

Charlotte Model, Sina Ahmadi and Jannis Vamvas. 2026. Robust Language Identification for Romansh Varieties. In Proceedings of the 11th edition of the Swiss Text Analytics Conference, Zurich, Switzerland. Association for Computational Linguistics. [cite] [code]

Dominic P. Fischer, Zachary Hopton and Jannis Vamvas. 2026. RUMLEM: A Dictionary-Based Lemmatizer for Romansh. In Proceedings of the 11th edition of the Swiss Text Analytics Conference, Zurich, Switzerland. Association for Computational Linguistics. [cite] [code] [demo]

Jannis Vamvas, Ignacio Pérez Prat, Angela Heldstab, Dominic P. Fischer, Sina Ahmadi and Rico Sennrich. 2026. Translation Asymmetry in LLMs as a Data Augmentation Factor: A Case Study for 6 Romansh Language Varieties. Pre-print. [cite] [data] [model] [code]