Jannis Vamvas

38 papers A* 1Journal 23Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
DeReason: A Difficulty-Aware Curriculum Improves Decoupled SFT-then-RL Training for General Reasoning.
CoRR
Hanxu Hu, Yuxuan Wang, Maggie Huan, Jannis Vamvas, Yinya Huang, Zhijiang Guo, Rico Sennrich
2026 J jnl
Robust Language Identification for Romansh Varieties.
CoRR
Charlotte Model, Sina Ahmadi, Jannis Vamvas
2026 — conf
The Mediomatix Corpus: Parallel Data for Romansh Language Varieties via Comparable Schoolbooks.
EACL (Findings)
Zachary William Hopton, Jannis Vamvas, Andrin Büchler, Anna Rutkiewicz, Rico Cathomas, Rico Sennrich
2026 J jnl
Translation Asymmetry in LLMs as a Data Augmentation Factor: A Case Study for 6 Romansh Language Varieties.
CoRR
Jannis Vamvas, Ignacio Pérez Prat, Angela Heldstab, Dominic P. Fischer, Sina Ahmadi, Rico Sennrich
2025 J jnl
20min-XD: A Comparable Corpus of Swiss News Articles.
CoRR
Michelle Wastl, Jannis Vamvas, Selena Calleri, Rico Sennrich
2025 J jnl
Expanding the WMT24++ Benchmark with Rumantsch Grischun, Sursilvan, Sutsilvan, Surmiran, Puter, and Vallader.
CoRR
Jannis Vamvas, Ignacio Pérez Prat, Not Battesta Soliva, Sandra Baltermia-Guetg, Andrina Beeli, Simona Beeli, Madlaina Capeder, Laura Decurtins, Gian Peder Gregori, Flavia Hobi, Gabriela Holderegger, Arina Lazzarini, Viviana Lazzarini, Walter Rosselli, Bettina Vital, Anna Rutkiewicz, Rico Sennrich
2025 — conf
Leveraging In-Context Learning for Political Bias Testing of LLMs.
ACL (1)
Patrick Haller, Jannis Vamvas, Rico Sennrich, Lena Ann Jäger
2025 J jnl
Leveraging In-Context Learning for Political Bias Testing of LLMs.
CoRR
Patrick Haller, Jannis Vamvas, Rico Sennrich, Lena A. Jäger
2025 — conf
Machine Translation Models are Zero-Shot Detectors of Translation Direction.
ACL (Findings)
Michelle Wastl, Jannis Vamvas, Rico Sennrich
2025 J jnl
QueST: Incentivizing LLMs to Generate Difficult Problems.
CoRR
Hanxu Hu, Xingxing Zhang, Jannis Vamvas, Rico Sennrich, Furu Wei
2025 — conf
Source-primed Multi-turn Conversation Helps Large Language Models Translate Documents.
EMNLP (Findings)
Hanxu Hu, Jannis Vamvas, Rico Sennrich
2025 J jnl
Source-primed Multi-turn Conversation Helps Large Language Models Translate Documents.
CoRR
Hanxu Hu, Jannis Vamvas, Rico Sennrich
2025 J jnl
SwissGov-RSD: A Human-annotated, Cross-lingual Benchmark for Token-level Recognition of Semantic Differences Between Related Documents.
CoRR
Michelle Wastl, Jannis Vamvas, Rico Sennrich
2025 J jnl
The Mediomatix Corpus: Parallel Data for Romansh Idioms via Comparable Schoolbooks.
CoRR
Zachary William Hopton, Jannis Vamvas, Andrin Büchler, Anna Rutkiewicz, Rico Cathomas, Rico Sennrich
2024 J jnl
Fine-tuning the SwissBERT Encoder Model for Embedding Sentences and Documents.
CoRR
Juri Grosjean, Jannis Vamvas
2024 J jnl
Linear-time Minimum Bayes Risk Decoding with Reference Aggregation.
CoRR
Jannis Vamvas, Rico Sennrich
2024 J jnl
Machine Translation Models are Zero-Shot Detectors of Translation Direction.
CoRR
Michelle Wastl, Jannis Vamvas, Rico Sennrich
2024 — conf
Mitigating Hallucinations and Off-target Machine Translation with Source-Contrastive and Language-Contrastive Decoding.
EACL (2)
Rico Sennrich, Jannis Vamvas, Alireza Mohammadshahi
2024 J jnl
Modular Adaptation of Multilingual Encoders to Written Swiss German Dialect.
CoRR
Jannis Vamvas, Noëmi Aepli, Rico Sennrich
2024 — conf
Thesis: Model-based Evaluation of Multilinguality.
EAMT (1)
Jannis Vamvas
2023 J jnl
Investigating Multi-Pivot Ensembling with Massively Multilingual Machine Translation Models.
CoRR
Alireza Mohammadshahi, Jannis Vamvas, Rico Sennrich
2023 J jnl
Mitigating Hallucinations and Off-target Machine Translation with Source-Contrastive and Language-Contrastive Decoding.
CoRR
Rico Sennrich, Jannis Vamvas, Alireza Mohammadshahi
2023 J jnl
SwissBERT: The Multilingual Language Model for Switzerland.
CoRR
Jannis Vamvas, Johannes Graën, Rico Sennrich
2023 J jnl
Towards Unsupervised Recognition of Semantic Differences in Related Documents.
CoRR
Jannis Vamvas, Rico Sennrich
2023 A* conf
Towards Unsupervised Recognition of Token-level Semantic Differences in Related Documents.
EMNLP
Jannis Vamvas, Rico Sennrich
2023 — conf
Trained MT Metrics Learn to Cope with Machine-translated References.
WMT
Jannis Vamvas, Tobias Domhan, Sony Trenous, Rico Sennrich, Eva Hasler
2023 J jnl
Trained MT Metrics Learn to Cope with Machine-translated References.
CoRR
Jannis Vamvas, Tobias Domhan, Sony Trenous, Rico Sennrich, Eva Hasler
2022 — conf
As Little as Possible, as Much as Necessary: Detecting Over- and Undertranslations with Contrastive Conditioning.
ACL (2)
Jannis Vamvas, Rico Sennrich
2022 J jnl
As Little as Possible, as Much as Necessary: Detecting Over- and Undertranslations with Contrastive Conditioning.
CoRR
Jannis Vamvas, Rico Sennrich
2022 — conf
NMTScore: A Multilingual Analysis of Translation-based Text Similarity Measures.
EMNLP (Findings)
Jannis Vamvas, Rico Sennrich
2022 J jnl
NMTScore: A Multilingual Analysis of Translation-based Text Similarity Measures.
CoRR
Jannis Vamvas, Rico Sennrich
2021 — conf
Contrastive Conditioning for Assessing Disambiguation in MT: A Case Study of Distilled Bias.
EMNLP (1)
Jannis Vamvas, Rico Sennrich
2021 — conf
On the Limits of Minimal Pairs in Contrastive Evaluation.
BlackboxNLP@EMNLP
Jannis Vamvas, Rico Sennrich
2021 J jnl
On the Limits of Minimal Pairs in Contrastive Evaluation.
CoRR
Jannis Vamvas, Rico Sennrich
2021 — ed.
Proceedings of the ACL-IJCNLP 2021 Student Research Workshop, ACL 2021, Online, JUli 5-10, 2021
ACL (student)
Jad Kabbara, Haitao Lin, Amandalynne Paullada, Jannis Vamvas
2021 — conf
Proceedings of the ACL-IJCNLP 2021 Student Research Workshop.
ACL (student)
Jad Kabbara, Haitao Lin, Amandalynne Paullada, Jannis Vamvas
2020 — conf
X -stance: A Multilingual Multi-Target Dataset for Stance Detection.
SwissText/KONVENS
Jannis Vamvas, Rico Sennrich
2020 J jnl
X-Stance: A Multilingual Multi-Target Dataset for Stance Detection.
CoRR
Jannis Vamvas, Rico Sennrich