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This page pertains to UD version 2.

UD Erzya JR

Language: Erzya (code: myv)
Family: Uralic, Mordvin

This treebank has been part of Universal Dependencies since the UD v2.3 release.

The following people have contributed to making this treebank part of UD: Jack Rueter, Francis Tyers, Elena Klementieva, Olga Erina, Ivan Riabov.

Repository: UD_Erzya-JR
Search this treebank on-line: PML-TQ
Download all treebanks: UD 2.14

License: CC BY-SA 4.0

Genre: fiction

Questions, comments? General annotation questions (either Erzya-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 [rueter • jack (æt) gmail • com]. Development of the treebank happens directly in the UD repository, so you may submit bug fixes as pull requests against the dev branch.

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 Erzya is the original annotation (CoNLL-U) for texts in the Erzya language, it originally consists of a sample from a number of fiction authors writing originals in Erzya.

UD Erzya is the original annotation (CoNLL-U) for texts in the Erzya language. Texts will date back to the 1880s


The original annotation has been performed by Jack Rueter at the University of Helsinki using morphological tools facilitated at the Norwegian Arctic University in Tromsø and with continuous consultation from Francis Tyers. The idea and funding for the first three months of the project came from Anssi Yli-Jyrä, Research Fellow at the Academy of Finland (dec. No 270354 - A Usable Finite-State Model for Adequate Syntactic Complexity), who made it possible to work with Erzya UD. Without the Erzya writers themselves, we would be no where…

Annotation work is simultaneous to finite-state transducer development by Olga Erina and Jack Rueter in the GiellaLT infrastucture, which also works with Constraint Grammar disambiguation of the morphological analysis.

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

@inproceedings{rueter2018towards, title={Towards an open-source universal-dependency treebank for Erzya}, author={Rueter, Jack and Tyers, Francis}, booktitle={Proceedings of the Fourth International Workshop on Computational Linguistics of Uralic Languages}, pages={106–118}, year={2018} }


In release 2.7 example sentences used in the Erzya-language grammar Эрзянь кель, синтакс (2011) were included. These sentences are marked with sent_id-s that contain the components EKS:2011:page:n-th sentence:original author. It is hoped that the inclusion of these sentences will help cover various grammatical phenomena in Erzya syntax. When refering to these sentences, we advise you also cite the original source:

Statistics of UD Erzya JR

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).

Verbs with Reflexive Core Objects

Relations Overview