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Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems

Introduced by Jakub N{\'a}plava et al. in Diacritics Restoration Using Neural Networks1 May 2018 archive 2025-07-28

The dataset contains training and evaluation data for 12 languages: - Vietnamese - Romanian - Latvian - Czech - Polish - Slovak - Irish - Hungarian - French - Turkish - Spanish - Croatian

For each language, one training, one development and one testing set acquired from Wikipedia articles is provided. Moreover, each language dataset contains (substantially larger) training set collected from (general) Web texts. All sets, except for Wikipedia and Web training sets that can contain similar sentences, are disjoint. Data are segmented into sentences which are further word tokenized.

HomepageBenchmarksPapers JSON

Benchmarks archive 2025-07-28

All 12 leaderboards whose dataset resolves to this page shown (sort by any header). "First row" is the archive's own first row at snapshot, in the archive's row order; nothing here re-ranks and metric direction is not asserted.

First row (archive order)PaperCode
Czech Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.22 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 3 Compare
Vietnamese Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 98.53 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 3 Compare
Croatian Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.73 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
French Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.71 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Hungarian Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.41 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Irish Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 98.88 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Latvian Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 98.63 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Polish Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.66 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Romanian Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 98.64 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Slovak Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.32 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Spanish Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 99.62 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare
Turkish Text Diacritization Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems BERT Alpha-Word accuracy 98.95 Diacritics Restoration using BERT with Analysis on Czech language ufal/bert-diacritics-restoration 1 Compare

Papers archive 2025-07-28

2 shown of 2 papers with a leaderboard row on this dataset's benchmarks, newest first. The archive's own "papers using this dataset" list was never published, so this is the benchmark-backed subset; the archive's count for this dataset is 2. The Syntology column is from Syntology's graph (read 2026-09-24), stated per sample; it is not part of any archive number.

DateSamples run Syntology
Diacritics Restoration using BERT with Analysis on Czech language 1 12 24 May 2021 ran 0 of 1 samples (1 unverified)
Diacritics Restoration Using Neural Networks 1 4 1 May 2018 not harvested

Dataset loaders archive 2025-07-28

No loader listed in the archive.

Tasks archive 2025-07-28

Czech Text DiacritizationVietnamese Text DiacritizationRomanian Text DiacritizationSlovak Text DiacritizationLatvian Text DiacritizationPolish Text DiacritizationIrish Text DiacritizationHungarian Text DiacritizationFrench Text DiacritizationTurkish Text DiacritizationSpanish Text DiacritizationCroatian Text Diacritization

License archive 2025-07-28

CC BY-NC-SA 4.0

Modalities archive 2025-07-28

Texts

Languages archive 2025-07-28

FrenchSpanishCroatianCzechHungarianIrishLatvianPolishRomanianSlovakTurkishVietnamese

Variants archive 2025-07-28

  • Multilingual Dataset for Training and Evaluating Diacritics Restoration Systems

1 variant name, as the archive lists them.

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