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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/vi/vtb/papers/) — Papers: UD_Vietnamese-VTB

# UD_Vietnamese-VTB

Treebank card from UD release 2.18: metadata and texts come from `UD_Vietnamese-VTB/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_Vietnamese-VTB](https://md.mova.elamur.ai/free/en/docs/treebanks/vi/vtb/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Vietnamese-VTB |
| Language | Vietnamese (`vi`) |
| Family | Austro-Asiatic |
| Treebank code | `vi_vtb` |
| UD page | [universaldependencies.org/treebanks/vi vtb/index.html](https://universaldependencies.org/treebanks/vi_vtb/index.html) |
| License | CC BY-SA 4.0 |
| Genres | news |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v1.4 |
| Authors | Lương Nguyễn Thị; Linh Hà Mỹ; Phương Lê Hồng; Huyền Nguyễn Thị Minh |
| Contact | [luongnt@dlu.edu.vn](mailto:luongnt@dlu.edu.vn), [halinh.hus@gmail.com](mailto:halinh.hus@gmail.com), [phuonglh@gmail.com](mailto:phuonglh@gmail.com), [ntmhuyen@gmail.com](mailto:ntmhuyen@gmail.com) |
| 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 | manual native |
| 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 | 1 400 | 20 215 | 20 215 | 0 | 0 |
| dev | 1 123 | 26 162 | 26 162 | 0 | 0 |
| test | 800 | 11 692 | 11 692 | 0 | 0 |
| **total** | 3 323 | 58 069 | 58 069 | 0 | 0 |

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

> The Vietnamese UD treebank is a conversion of the constituent treebank created in the VLSP project ([vlsp.hpda.vn](https://vlsp.hpda.vn/)).

## Introduction

*The README has no such section.*

- [← previous UD_Vietnamese-TueCL](https://md.mova.elamur.ai/free/en/docs/treebanks/vi/tuecl/)
- [↑ back to Vietnamese (vi) — UD 2.18 treebanks](https://md.mova.elamur.ai/free/en/docs/treebanks/vi/)