Publications

The Omnilingual SONAR Team, João Maria Janeiro
Core contributor
, Pere Lluís Huguet Cabot
Core contributor
, Ioannis Tsiamas
Core contributor
, Yen Meng
Core contributor
, Vivek Iyer, Guillem Ramírez, Loic Barrault, Belen Alastruey, Yu-an Chung, Marta R. Costa-Jussà, David Dale, Kevin Heffernan, Jaehyeong Jo, Artyom Kozhevnikov, Alexandre Mourachko, Christophe Ropers, Holger Schwenk, Paul-Ambroise Duquenne (2026). Omnilingual SONAR: Cross-Lingual and Cross-Modal Sentence Embeddings Bridging Massively Multilingual Text and Speech. arXiv.
arXiv PDF Meta AI
The Omnilingual MT Team, Belen Alastruey
Core contributor
, Niyati Bafna
Core contributor
, Andrea Caciolai
Core contributor
, Kevin Heffernan
Core contributor
, Artyom Kozhevnikov
Core contributor
, Christophe Ropers
Core contributor
, Eduardo Sánchez
Core contributor
, Charles-Eric Saint-James
Core contributor
, Ioannis Tsiamas
Core contributor
, Chierh Cheng, Joe Chuang, Paul-Ambroise Duquenne, Mark Duppenthaler, Nate Ekberg, Cynthia Gao, Pere Lluís Huguet Cabot, João Maria Janeiro, Jean Maillard, Gabriel Mejia Gonzalez, Holger Schwenk, Edan Toledo, Arina Turkatenko, Albert Ventayol-Boada, Rashel Moritz, Alexandre Mourachko, Surya Parimi, Mary Williamson, Shireen Yates, David Dale, Marta R. Costa-Jussà (2026). Omnilingual MT: Machine Translation for 1,600 Languages. arXiv.
arXiv PDF Meta AI Leaderboard
Pierre Andrews, Mikel Artetxe, Mariano Coria Meglioli, Marta R. Costa-Jussà, Joe Chuang, David Dale, Mark Duppenthaler, Nathanial Paul Ekberg, Cynthia Gao, Daniel Edward Licht, Jean Maillard, Alexandre Mourachko, Christophe Ropers, Safiyyah Saleem, Eduardo Sánchez, Ioannis Tsiamas, Arina Turkatenko, Albert Ventayol-Boada, Shireen Yates (2025). BOUQuET: dataset, Benchmark and Open initiative for Universal Quality Evaluation in Translation. EMNLP 2025.
ACL Anthology PDF arXiv Dataset News DOI
Ioannis Tsiamas, David Dale, Marta R. Costa-Jussà (2025). Improving Language and Modality Transfer in Translation by Character-level Modeling. In ACL 2025.
PDF Source Document DOI
Ioannis Tsiamas, Santiago Pascual, Chunghsin Yeh, Joan Serrà (2025). Sequential Contrastive Audio-Visual Learning. In ICASSP 2025.
PDF Source Document DOI
Santiago Pascual, Chunghsin Yeh, Ioannis Tsiamas, Joan Serrà (2024). Masked Generative Video-to-Audio Transformers with Enhanced Synchronicity. In ECCV 2024.
PDF Source Document Demo DOI
Ioannis Tsiamas, Matthias Sperber, Andrew Finch, Sarthak Garg (2024). Speech Is More than Words: Do Speech-to-Text Translation Systems Leverage Prosody?. In WMT 2024.
PDF Source Document Dataset News Article DOI
Ioannis Tsiamas, Gerard I. Gállego, José A. R. Fonollosa, Marta R. Costa-Jussà (2024). Pushing the Limits of Zero-shot End-to-End Speech Translation. In Findings of ACL 2024.
PDF Source Document Code HuggingFace Models DOI
Ioannis Tsiamas, José A. R. Fonollosa, Marta R. Costa-Jussà (2023). SegAugment: Maximizing the Utility of Speech Translation Data with Segmentation-based Augmentations. In Findings of EMNLP 2023.
PDF Source Document Code DOI
Ioannis Tsiamas, Gerard I. Gállego, Jose Fonollosa, Marta R. Costa-Jussà (2023). Speech Translation with Foundation Models and Optimal Transport: UPC at IWSLT23. In IWSLT 2023.
PDF Source Document DOI
Javier Ferrando, Gerard I. Gállego, Ioannis Tsiamas, Marta R. Costa-Jussà (2023). Explaining How Transformers Use Context to Build Predictions. In ACL 2023.
PDF Source Document Code Video DOI
Ioannis Tsiamas, Gerard I. Gállego, José A. R. Fonollosa, Marta R. Costa-Jussà (2023). Efficient Speech Translation with Dynamic Latent Perceivers. In ICASSP 2023.
PDF Source Document Code DOI
Ioannis Tsiamas, Gerard I. Gállego, José A. R. Fonollosa, Marta R. Costa-Jussà (2022). SHAS: Approaching optimal Segmentation for End-to-End Speech Translation. In Interspeech 2022.
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Ioannis Tsiamas, Gerard I. Gállego, Carlos Escolano, José A. R. Fonollosa, Marta R. Costa-Jussà (2022). Pretrained Speech Encoders and Efficient Fine-tuning Methods for Speech Translation: UPC at IWSLT 2022. In IWSLT 2022.
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Carlos Escolano, Ioannis Tsiamas, Christine Basta, Javier Ferrando, Marta R. Costa-Jussa, José A. R. Fonollosa (2021). The TALP-UPC Participation in WMT21 News Translation Task: an mBART-based NMT Approach. In WMT 2021.
PDF Source Document
Gerard I. Gállego, Ioannis Tsiamas, Carlos Escolano, José A. R. Fonollosa, Marta R. Costa-Jussà (2021). End-to-End Speech Translation with Pre-trained Models and Adapters: UPC at IWSLT 2021. In IWSLT 2021.
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Svetlana Borovkova, Ioannis Tsiamas (2019). An ensemble of LSTM neural networks for high-frequency stock market classification. Journal of Forecasting.
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