CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia

Josef Jon; Ondřej Bojar

doi:10.63317/55v27paqpusz

CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia

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Abstract

We present CzechDocs, a multiway parallel dataset of formatted documents (HTML, DOCX, and PDF) covering Czech and minority languages used in Czechia—primarily Ukrainian and English, with smaller portions of Vietnamese, Russian and other languages. The dataset is designed to support the evaluation of machine translation systems that aim to preserve document formatting during translation. We provide a comparison of the most common approaches to format-preserving machine translation on a validation subset of the dataset. This validation split, together with the evaluation toolkit, is publicly released for further research. A held-out test split will be reserved for a future shared task focused on document-level translation with formatting preservation.

Anthology ID:: 2026.lrec-1.34
Volume:: Proceedings of the Fifteenth Language Resources and Evaluation Conference
Month:: May
Year:: 2026
Address:: Palma de Mallorca, Spain
Editors:: Stelios Piperidis, Núria Bel, Henk van den Heuvel, Nancy Ide, Simon Krek, Antonio Toral
Venue:: LREC
SIG:
Publisher:: ELRA Language Resource Association
Note:
Pages:: 498–504
Language:
External URL:: https://lrec.elra.info/lrec2026-main-034
DOI:: 10.63317/55v27paqpusz
Bibkey:
Cite (ACL):: Josef Jon and Ondřej Bojar. 2026. CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia. In Proceedings of the Fifteenth Language Resources and Evaluation Conference, pages 498–504, Palma de Mallorca, Spain. ELRA Language Resource Association.
Cite (Informal):: CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia (Jon & Bojar, LREC 2026)
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@inproceedings{jon-bojar-2026-czechdocs,
    title = "{C}zech{D}ocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in {C}zechia",
    author = "Jon, Josef  and
      Bojar, Ond{\v{r}}ej",
    editor = "Piperidis, Stelios  and
      Bel, N{\'u}ria  and
      van den Heuvel, Henk  and
      Ide, Nancy  and
      Krek, Simon  and
      Toral, Antonio",
    booktitle = "Proceedings of the Fifteenth Language Resources and Evaluation Conference",
    month = may,
    year = "2026",
    address = "Palma de Mallorca, Spain",
    publisher = "ELRA Language Resource Association",
    url = "https://aclanthology.org/2026.lrec-1.34/",
    doi = "10.63317/55v27paqpusz",
    pages = "498--504",
    abstract = "We present CzechDocs, a multiway parallel dataset of formatted documents (HTML, DOCX, and PDF) covering Czech and minority languages used in Czechia{---}primarily Ukrainian and English, with smaller portions of Vietnamese, Russian and other languages. The dataset is designed to support the evaluation of machine translation systems that aim to preserve document formatting during translation. We provide a comparison of the most common approaches to format-preserving machine translation on a validation subset of the dataset. This validation split, together with the evaluation toolkit, is publicly released for further research. A held-out test split will be reserved for a future shared task focused on document-level translation with formatting preservation."
}

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%0 Conference Proceedings
%T CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia
%A Jon, Josef
%A Bojar, Ondřej
%Y Piperidis, Stelios
%Y Bel, Núria
%Y van den Heuvel, Henk
%Y Ide, Nancy
%Y Krek, Simon
%Y Toral, Antonio
%S Proceedings of the Fifteenth Language Resources and Evaluation Conference
%D 2026
%8 May
%I ELRA Language Resource Association
%C Palma de Mallorca, Spain
%F jon-bojar-2026-czechdocs
%X We present CzechDocs, a multiway parallel dataset of formatted documents (HTML, DOCX, and PDF) covering Czech and minority languages used in Czechia—primarily Ukrainian and English, with smaller portions of Vietnamese, Russian and other languages. The dataset is designed to support the evaluation of machine translation systems that aim to preserve document formatting during translation. We provide a comparison of the most common approaches to format-preserving machine translation on a validation subset of the dataset. This validation split, together with the evaluation toolkit, is publicly released for further research. A held-out test split will be reserved for a future shared task focused on document-level translation with formatting preservation.
%R 10.63317/55v27paqpusz
%U https://aclanthology.org/2026.lrec-1.34/
%U https://doi.org/10.63317/55v27paqpusz
%P 498-504

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Markdown (Informal)

[CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia](https://aclanthology.org/2026.lrec-1.34/) (Jon & Bojar, LREC 2026)

CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia (Jon & Bojar, LREC 2026)

ACL

Josef Jon and Ondřej Bojar. 2026. CzechDocs: A Multiway Parallel Dataset of Formatted Documents for Minority Languages in Czechia. In Proceedings of the Fifteenth Language Resources and Evaluation Conference, pages 498–504, Palma de Mallorca, Spain. ELRA Language Resource Association.