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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/ru/syntagrus/papers/) — Papers: UD_Russian-SynTagRus

# UD_Russian-SynTagRus

Treebank card from UD release 2.18: metadata and texts come from `UD_Russian-SynTagRus/README.md`; size is counted by streaming the `.conllu` files and checked against the release `stats.xml`. Generated by `tools/treebanks build`; do not edit by hand. Papers: [Papers: UD_Russian-SynTagRus](https://md.mova.elamur.ai/free/en/docs/treebanks/ru/syntagrus/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Russian-SynTagRus |
| Language | Russian (`ru`) |
| Family | IE |
| Treebank code | `ru_syntagrus` |
| UD page | [universaldependencies.org/treebanks/ru syntagrus/index.html](https://universaldependencies.org/treebanks/ru_syntagrus/index.html) |
| License | CC BY-NC-SA 4.0 |
| Genres | news, nonfiction, fiction |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v1.3 |
| Authors | Kira Droganova; Olga Lyashevskaya; Daniel Zeman |
| Contact | [zeman@ufal.mff.cuni.cz](mailto:zeman@ufal.mff.cuni.cz), [droganova@ufal.mff.cuni.cz](mailto:droganova@ufal.mff.cuni.cz) |
| Development | outside the UD repo (elsewhere): fixes go to the source or the converter |

## Annotation layers

| Layer | Origin |
| --- | --- |
| Lemmas | converted from manual |
| UPOS | converted from manual |
| XPOS | not available |
| Features | converted from manual |
| Relations | converted from manual |

UD scale: *manual native* — annotated by hand directly in UD; *converted from manual* — converted from manual annotation in another scheme; *converted with corrections* — converted and partly corrected by hand; *automatic with corrections* — automatic, with partial manual corrections; *automatic* — automatic; *not available* — the layer is absent.

## Size

| Split | Sentences | Tokens | Words | Multiword tokens | Empty nodes |
| --- | --- | --- | --- | --- | --- |
| train | 69 631 | 1 204 544 | 1 204 544 | 0 | 1 664 |
| dev | 8 906 | 153 309 | 153 309 | 0 | 268 |
| test | 8 800 | 157 706 | 157 706 | 0 | 272 |
| **total** | 87 337 | 1 515 559 | 1 515 559 | 0 | 2 204 |

Tokens are surface tokens (Spanish `vámonos` is one), words are syntactic words (`vamos` + `nos`); multiword tokens are those split into several words; empty nodes are the `N.M` nodes of the enhanced graph.

## Summary

> Russian data from the SynTagRus corpus.

## Introduction

> The SynTagRus dependency treebank is being developed by the Computational Linguistics Laboratory, A.A.Kharkevich Institute of Information Transmission Problems, Russian Academy of Sciences, located in Moscow.
> 
> Currently the treebank contains over 1,000,000 tokens (over 66,000 sentences) belonging to texts from a variety of genres (contemporary fiction, popular science, newspaper and journal articles dated between 1960 and 2016, texts of online news etc.)
> 
> SynTagRus is a human-corrected corpus of Russian supplied with comprehensive morphological annotation and syntactic annotation in the form of a complete dependency tree provided for every sentence. Additionally, the original version of SynTagRus contains other types of annotation, first of all lexical functional annotation in terms of lexical functions as defined in the Meaning-Text model.
> 
> It is an integral but fully autonomous part of the Russian National Corpus developed in a nationwide research project and can be freely consulted on the Web: [ruscorpora.ru/instruction-syntax.html](http://www.ruscorpora.ru/instruction-syntax.html)
> 
> For more details, see the recently published paper (in Russian):
> 
> Дяченко П.В., Иомдин Л.Л., Лазурский А.В., Митюшин Л.Г., Подлесская О.Ю., Сизов В.Г., Фролова Т.И., Цинман Л.Л. Современное состояние глубоко аннотированного корпуса текстов русского языка (СинТагРус) // Сборник «Национальный корпус русского языка: 10 лет проекту». Труды Института русского языка им. В.В. Виноградова. М., 2015. Вып. 6. С. 272-299.

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