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Institute of Formal and Applied Linguistics


Charles University, Czech Republic
Faculty of Mathematics and Physics

ÚFAL
Jindřich Helcl

Jindřich Helcl

office
N233
email
helcl@ufal.mff.cuni.cz
phone
+420 951 552 955

Main Research Interests

Neural machine translation and deep learning for NLP applications

Projects

  • Neural Monkey - an open-source toolkit for sequence learning using TensorFlow

Teaching

Selected Bibliography

  1. Nikolay Arefyev, Pinzhen Chen, Ona De Gibert Bonet, Barry Haddow, Jindřich Helcl, Bhavitvya Malik, Gema Ramírez-Sánchez, Pavel Stepachev, Jörg Tiedemann, Dušan Variš, Jaume Zaragoza-Bernabeu (2024): HPLT’s First Release of Data and Models. In: Proceedings of the 25th Annual Conference of the European Association for Machine Translation (Volume 2), pp. 53-54, European Association for Machine Translation (EAMT), Sheffield, UK, ISBN 978-1-0686907-1-6 (url, bibtex)
  2. Katharina Hämmerl, Andrei-Alexandru Manea, Gianluca Vico, Jindřich Helcl, Jindřich Libovický (2024): CUNI and LMU Submission to the MRL 2024 Shared Task on Multi-lingual Multi-task Information Retrieval. In: Proceedings of the Fourth Workshop on Multilingual Representation Learning (MRL 2024), pp. 357-364, Association for Computational Linguistics, Kerrville, TX, USA, ISBN 979-8-89176-184-1 (url, bibtex)
  3. Jindřich Helcl, Zdeněk Kasner, Ondřej Dušek, Tomasz Limisiewicz, Dominik Macháček, Tomáš Musil, Jindřich Libovický (2024): Teaching LLMs at Charles University: Assignments and Activities. In: The Sixth Workshop on Teaching NLP: Proceedings of the Workshop, pp. 69-72, Association for Computational Linguistics, Kerrville, TX, USA, ISBN 979-8-89176-134-6 (url, local PDF, local PDF, bibtex)
  4. Jindřich Libovický, Jindřich Helcl (2024): Lexically Grounded Subword Segmentation. In: Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing (EMNLP), pp. 7403-7420, Association for Computational Linguistics, Kerrville, TX, USA, ISBN 979-8-89176-164-3 (url, bibtex)
  5. Martin Popel, Lucie Poláková, Michal Novák, Jindřich Helcl, Jindřich Libovický, Pavel Straňák, Tomáš Krabač, Jaroslava Hlaváčová, Mariia Anisimova, Tereza Chlaňová (2024): Charles Translator: A Machine Translation System between Ukrainian and Czech. In: Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pp. 3038-3045, European Language Resources Association, Torino, Italy, ISBN 978-2-493814-10-4 (pdf, local PDF, bibtex)
  6. Jindřich Helcl, Jindřich Libovický (2023): CUNI Submission to MRL 2023 Shared Task on Multi-lingual Multi-task Information Retrieval. In: Proceedings of the The 2nd Workshop on Multi-lingual Representation Learning (MRL), pp. 302-309, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 979-8-89176-056-1 (pdf, local PDF, local PDF, bibtex)
  7. Barry Haddow, Rachel Bawden, Antonio Valerio Miceli Barone, Jindřich Helcl, Alexandra Birch (2022): Survey of Low-Resource Machine Translation. In: Computational Linguistics, ISSN 1530-9312, vol. 48, no. 3, pp. 673-732 (pdf, bibtex)
  8. Jindřich Helcl (2022): CUNI Non-Autoregressive System for the WMT 22 Efficient Translation Shared Task. In: Proceedings of the Seventh Conference on Machine Translation, pp. 668-670, Association for Computational Linguistics, Stroudsburg, PA, USA (pdf, bibtex)
  9. Jindřich Helcl, Barry Haddow, Alexandra Birch (2022): Non-Autoregressive Machine Translation: It's Not as Fast as it Seems. In: Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, pp. 1780-1790, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-955917-71-1 (local PDF, bibtex)
  10. Pavel Kasík, Jindřich Libovický, Jindřich Helcl, Michal Novák (2022): Český překladač se naučil ukrajinsky rychle. Jen někdy plete jména měst. In: Seznam Zprávy, pp. 1-2 (url, bibtex)
  11. Martin Popel, Jindřich Libovický, Jindřich Helcl (2022): CUNI Systems for the WMT 22 Czech-Ukrainian Translation Task. In: Proceedings of the Seventh Conference on Machine Translation, pp. 352-357, Association for Computational Linguistics, Stroudsburg, PA, USA (pdf, local PDF, bibtex)
  12. Alexandra Birch, Barry Haddow, Antonio Valerio Miceli Barone, Jindřich Helcl, Jonas Waldendorf, Felipe Sánchez-Martínez, Mikel L. Forcada, Víctor M. Sánchez-Cartagena, Juan Antonio Pérez-Ortiz, Miquel Esplà-Gomis, Wilker Aziz, Lina Murady, Sevi Sariisik, Peggy van der Kreeft, Kay MacQuarrie (2021): Surprise Language Challenge: Developing a Neural Machine Translation System between Pashto and English in Two Months. In: Proceedings of Machine Translation Summit XVIII: Research Track, pp. 92-102, Association for Machine Translation in the Americas, Stroudsburg, PA, USA (bibtex)
  13. Pinzhen Chen, Jindřich Helcl, Ulrich Germann, Laurie Burchell, Nikolay Bogoychev, Antonio Valerio Miceli Barone, Jonas Waldendorf, Alexandra Birch, Kenneth Heafield (2021): The University of Edinburgh’s English-German and English-Hausa Submissions to the WMT21 News Translation Task. In: Proceedings of the Sixth Conference on Machine Translation, pp. 104-109, Association for Computational Linguistics, Online, ISBN 978-1-954085-94-7 (bibtex)
  14. Jindřich Libovický, Zdeněk Kasner, Jindřich Helcl, Ondřej Dušek (2020): Expand and Filter: CUNI and LMU Systems for the WNGT 2020 Duolingo Shared Task. In: Proceedings of the Fourth Workshop on Neural Generation and Translation, pp. 153-160, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-952148-17-0 (url, local PDF, bibtex)
  15. Jindřich Helcl, Jindřich Libovický, Martin Popel (2019): CUNI System for the WMT19 Robustness Task. In: Fourth Conference on Machine Translation - Proceedings of the Conference, pp. 738-742, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-950737-27-7 (url, local PDF, local PDF, bibtex)
  16. Jindřich Helcl, Jindřich Libovický, Tom Kocmi, Tomáš Musil, Ondřej Cífka, Dušan Variš, Ondřej Bojar (2018): Neural Monkey: The Current State and Beyond. In: The 13th Conference of The Association for Machine Translation in the Americas, Vol. 1: MT Researchers’ Track, pp. 168-176, The Association for Machine Translation in the Americas, Stroudsburg, PA, USA (url, local PDF, local PDF, bibtex)
  17. Jindřich Helcl, Jindřich Libovický, Dušan Variš (2018): CUNI System for the WMT18 Multimodal Translation Task. In: Proceedings of the Third Conference on Machine Translation, Volume 2: Shared Tasks, pp. 622-629, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-948087-81-0 (pdf, local PDF, local PDF, bibtex)
  18. Jindřich Libovický, Jindřich Helcl (2018): End-to-End Non-Autoregressive Neural Machine Translation with Connectionist Temporal Classification. In: Proceedings of the Conference on Empirical Methods in Natural Language Processing EMNLP 2018, pp. 3016-3021, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-948087-84-1 (url, local PDF, local PDF, bibtex)
  19. Jindřich Libovický, Jindřich Helcl, David Mareček (2018): Input Combination Strategies for Multi-Source Transformer Decoder. In: Proceedings of the Third Conference on Machine Translation, Volume 1: Research Papers, pp. 253-260, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-948087-81-0 (url, local PDF, local PDF, bibtex)
  20. Jindřich Libovický, Rudolf Rosa, Jindřich Helcl, Martin Popel (2018): Solving Three Czech NLP Tasks End-to-End with Neural Models. In: Proceedings of the 18th conference ITAT 2018: Slovenskočeský NLP workshop (SloNLP 2018), pp. 138-143, CreateSpace Independent Publishing Platform, Košice, Slovakia, ISBN 978-1727267198 (pdf, local PDF, local PDF, bibtex)
  21. Ondřej Bojar, Jindřich Helcl, Tom Kocmi, Jindřich Libovický, Tomáš Musil (2017): Results of the WMT17 Neural MT Training Task. In: Proceedings of the Second Conference on Machine Translation, Volume 2: Shared Task Papers, pp. 525-533, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-945626-96-8 (url, local PDF, bibtex)
  22. Jindřich Helcl, Jindřich Libovický (2017): CUNI System for the WMT17 Multimodal Translation Task. In: Proceedings of the Second Conference on Machine Translation, Volume 2: Shared Task Papers, pp. 450-457, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-945626-96-8 (url, local PDF, bibtex)
  23. Jindřich Helcl, Jindřich Libovický (2017): Neural Monkey: An Open-source Tool for Sequence Learning. In: The Prague Bulletin of Mathematical Linguistics, ISSN 0032-6585, 107, pp. 5-17 (pdf, local PDF, bibtex)
  24. Jindřich Libovický, Jindřich Helcl (2017): Attention Strategies for Multi-Source Sequence-to-Sequence Learning. In: Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), pp. 196-202, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-945626-76-0 (url, local PDF, local PDF, bibtex)
  25. Antonio Valerio Miceli Barone, Jindřich Helcl, Rico Sennrich, Barry Haddow, Alexandra Birch (2017): Deep Architectures for Neural Machine Translation. In: Proceedings of the Second Conference on Machine Translation, Volume 1: Research Papers, pp. 99-107, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-945626-96-8 (url, bibtex)
  26. Eleftherios Avramidis, Vivien Macketanz, Aljoscha Burchardt, Jindřich Helcl, Hans Uszkoreit (2016): Deeper Machine Translation and Evaluation for German. In: Proceedings of the 2nd Deep Machine Translation Workshop, pp. 29-38, ÚFAL MFF UK, Praha, Czechia, ISBN 978-80-88132-02-8 (bibtex)
  27. Ondřej Bojar, Ondřej Cífka, Jindřich Helcl, Tom Kocmi, Roman Sudarikov (2016): UFAL Submissions to the IWSLT 2016 MT Track. In: Proceedings of the ninth International Workshop on Spoken Language Translation (IWSLT), pp. 1-8, Karlsruhe Institute of Technology (pdf, bibtex)
  28. Jindřich Libovický, Jindřich Helcl, Marek Tlustý, Pavel Pecina, Ondřej Bojar (2016): CUNI System for WMT16 Automatic Post-Editing and Multimodal Translation Tasks. In: Proceedings of the First Conference on Machine Translation (WMT). Volume 2: Shared Task Papers, pp. 646-654, Association for Computational Linguistics, Stroudsburg, PA, USA, ISBN 978-1-945626-10-4 (url, bibtex)

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