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This page pertains to UD version 2.

UD Breton KEB

Language: Breton (code: br)
Family: Indo-European, Celtic

This treebank has been part of Universal Dependencies since the UD v2.2 release.

The following people have contributed to making this treebank part of UD: Francis Tyers.

Repository: UD_Breton-KEB
Search this treebank on-line: PML-TQ
Download all treebanks: UD 2.14

License: CC BY-SA 4.0

Genre: grammar-examples, wiki, nonfiction, fiction, news, poetry

Questions, comments? General annotation questions (either Breton-specific or cross-linguistic) can be raised in the main UD issue tracker. You can report bugs in this treebank in the treebank-specific issue tracker on Github. If you want to collaborate, please contact [ftyers (æt) iu • edu]. Development of the treebank happens outside the UD repository. If there are bugs, either the original data source or the conversion procedure must be fixed. Do not submit pull requests against the UD repository.

Annotation Source
Lemmas annotated manually in non-UD style, automatically converted to UD
UPOS annotated manually in non-UD style, automatically converted to UD
XPOS annotated manually
Features annotated manually in non-UD style, automatically converted to UD
Relations annotated manually, natively in UD style


UD Breton-KEB is a treebank of Breton that has been manually annotated according to the Universal Dependencies guidelines. The tokenisation guidelines and morphological annotation comes from a finite-state morphological analyser of Breton released as part of the Apertium project.

The text in the corpus comes from a variety of sources: Grammar book sentences, sentences from the Breton Wikipedia, administrative texts from Ofis Publik ar Brezhoneg and short prose texts from Bremaik. In addition there are two traditional songs.


Out of 888 sentences, 256 have translations in French, 275 have translations in English and 347 have translations which have been machine translated from Breton to French using Apertium


We would like to thank Fulup Jakez and other members of Ofis Publik ar Brezhoneg for constant help and support over the years.

If you use this treebank in your work, please cite:

author = {Francis M. Tyers and Vinit Ravishankar},
title = {A prototype dependency treebank for Breton},
booktitle = {Actes de la 25e conférence sur le Traitement Automatique des Langues Naturelles (TALN)},
note = {\emph{to appear}},
year = 2018

Statistics of UD Breton KEB

POS Tags






Tokenization and Word Segmentation



Nominal Features

Degree and Polarity

Verbal Features

Pronouns, Determiners, Quantifiers

Other Features


Auxiliary Verbs and Copula

Core Arguments, Oblique Arguments and Adjuncts

Here we consider only relations between verbs (parent) and nouns or pronouns (child).

Relations Overview