Jannis Vamvas, PhD

Charlotte Model, Sina Ahmadi and Jannis Vamvas. 2026. Robust Language Identification for Romansh Varieties. Pre-print. [cite] [code]

Michelle Wastl, Jannis Vamvas and Rico Sennrich. 2025. SwissGov-RSD: A Human-annotated, Cross-lingual Benchmark for Token-level Recognition of Semantic Differences Between Related Documents. Pre-print. [cite] [data] [code]

Jannis Vamvas, Ignacio Pérez Prat, Not Battesta Soliva, and 14 others. 2025. Expanding the WMT24++ Benchmark with Rumantsch Grischun, Sursilvan, Sutsilvan, Surmiran, Puter, and Vallader. In Proceedings of the Tenth Conference on Machine Translation (WMT 2025), pages 1028–1047, Suzhou, China. Association for Computational Linguistics. [cite] [data] [code]

Hanxu Hu, Jannis Vamvas and Rico Sennrich. 2025. Source-primed Multi-turn Conversation Helps Large Language Models Translate Documents. In Findings of the Association for Computational Linguistics: EMNLP 2025, pages 23702–23712, Suzhou, China. Association for Computational Linguistics. [cite] [code]

Apertus Team. 2025. Apertus: Democratizing Open and Compliant LLMs for Global Language Environments. Technical Report. [cite] [model]