Papers by Ona de Gibert
A New Massive Multilingual Dataset for High-Performance Language Technologies (2024.lrec-main)
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Ona de Gibert, Graeme Nail, Nikolay Arefyev, Marta Bañón, Jelmer van der Linde, Shaoxiong Ji, Jaume Zaragoza-Bernabeu, Mikko Aulamo, Gema Ramírez-Sánchez, Andrey Kutuzov, Sampo Pyysalo, Stephan Oepen, Jörg Tiedemann
| Challenge: | a new massive multilingual dataset is available for language modeling and machine translation training. |
| Approach: | They present a massive multilingual dataset using web crawls from the Internet Archive and CommonCrawl . they use open-source software tools and high-performance computing to acquire, manage and process large corpora . |
| Outcome: | The HPLT language resources is a massive multilingual dataset . it includes monolingual and bilingual corpora extracted from CommonCrawl and the Internet Archive . the results are published online at the journal journal cense4 . |
Scaling Low-Resource MT via Synthetic Data Generation with LLMs (2025.emnlp-main)
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Ona de Gibert, Joseph Attieh, Teemu Vahtola, Mikko Aulamo, Zihao Li, Raúl Vázquez, Tiancheng Hu, Jörg Tiedemann
| Challenge: | a recent study has shown that LLM-generated synthetic data can improve low-resource machine translation performance . traditional data augmentation techniques like back-translation preserve the human-written target and synthesize the other . |
| Approach: | They construct a document-level synthetic corpus from English Europarl and extend it via pivoting to 147 additional language pairs. |
| Outcome: | The proposed model can significantly improve low-resource machine translation performance even when noisy. |
The OPUS-MT Dashboard – A Toolkit for a Systematic Evaluation of Open Machine Translation Models (2023.acl-demo)
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| Challenge: | OPUS-MT dashboard provides a comprehensive overview of open translation models . the landscape of machine translation (MT) is increasingly blurry due to the growing volume of shared tasks and models published within the community. |
| Approach: | OPUS-MT dashboard provides a comprehensive overview of open translation models . dashboard includes summaries of benchmarks for over 2,300 models covering 4,560 languages . authors focus on centralization, reproducibility and coverage of MT evaluation combined with scalability . |
| Outcome: | OPUS-MT dashboard provides a comprehensive overview of open translation models . the evaluation tool includes summaries of benchmarks for over 2,300 models spanning 4,560 languages and 294 languages . |
GlotEval: A Test Suite for Massively Multilingual Evaluation of Large Language Models (2025.emnlp-demos)
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Hengyu Luo, Zihao Li, Joseph Attieh, Sawal Devkota, Ona de Gibert, Xu Huang, Shaoxiong Ji, Peiqin Lin, Bhavani Sai Praneeth Varma Mantina, Ananda Sreenidhi, Raúl Vázquez, Mengjie Wang, Samea Yusofi, Fei Yuan, Jörg Tiedemann
| Challenge: | Existing evaluation frameworks focus on English and a handful of high-resource languages, thereby overlooking the realistic performance of large language models in multilingual and lower-resourced scenarios. |
| Approach: | They propose a unified and lightweight framework that integrates 27 benchmarks under a standard ISO 639-3 language identifier system to enable seamless incorporation of new benchmarks. |
| Outcome: | The proposed framework integrates 27 benchmarks under a standard ISO 639-3 language identifier system, allowing for seamless incorporation of new benchmarks. |