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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/uk/iu/papers/) — Papers: UD_Ukrainian-IU

# UD_Ukrainian-IU

Treebank card from UD release 2.18: metadata and texts come from `UD_Ukrainian-IU/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_Ukrainian-IU](https://md.mova.elamur.ai/free/en/docs/treebanks/uk/iu/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Ukrainian-IU |
| Language | Ukrainian (`uk`) |
| Family | IE |
| Treebank code | `uk_iu` |
| UD page | [universaldependencies.org/treebanks/uk iu/index.html](https://universaldependencies.org/treebanks/uk_iu/index.html) |
| License | CC BY-NC-SA 4.0 |
| Genres | blog, email, fiction, grammar-examples, legal, news, reviews, social, web, wiki |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v1.4 |
| Authors | Natalia Kotsyba; Bohdan Moskalevskyi; Mykhailo Romanenko |
| Contact | [org@mova.institute](mailto:org@mova.institute) |
| Development | outside the UD repo (elsewhere): fixes go to the source or the converter |

## Annotation layers

| Layer | Origin |
| --- | --- |
| Lemmas | manual native |
| UPOS | manual native |
| XPOS | manual native |
| Features | manual native |
| Relations | manual native |

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 | 5 521 | 92 881 | 92 927 | 46 | 188 |
| dev | 673 | 12 605 | 12 606 | 1 | 15 |
| test | 898 | 17 215 | 17 217 | 2 | 30 |
| **total** | 7 092 | 122 701 | 122 750 | 49 | 233 |

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

> Gold standard Universal Dependencies corpus for Ukrainian, developed for UD originally, by [Institute for Ukrainian](https://mova.institute), NGO. [[українською](https://mova.institute/%D0%B7%D0%BE%D0%BB%D0%BE%D1%82%D0%B8%D0%B9_%D1%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82)]

## Introduction

> UD Ukrainian comprises 122K tokens in 7000 sentences of fiction, news, opinion articles, Wikipedia, legal documents, letters, posts, and comments — from the last 15 years, as well as from the first half of the 20th century.
> 
> Consider using [the latest version](https://github.com/UniversalDependencies/UD_Ukrainian-IU/tree/dev) at ‘dev’ branch on GitHub. It contains the latest stable improvements while the official releases are up to 6 month old [[discussion](https://github.com/UniversalDependencies/docs/issues/520)].

- [next → UD_Ukrainian-ParlaMint](https://md.mova.elamur.ai/free/en/docs/treebanks/uk/parlamint/)
- [↑ back to Ukrainian (uk) — UD 2.18 treebanks](https://md.mova.elamur.ai/free/en/docs/treebanks/uk/)