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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/es/coser/papers/) — Papers: UD_Spanish-COSER

# UD_Spanish-COSER

Treebank card from UD release 2.18: metadata and texts come from `UD_Spanish-COSER/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_Spanish-COSER](https://md.mova.elamur.ai/free/en/docs/treebanks/es/coser/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Spanish-COSER |
| Language | Spanish (`es`) |
| Family | IE |
| Treebank code | `es_coser` |
| UD page | [universaldependencies.org/treebanks/es coser/index.html](https://universaldependencies.org/treebanks/es_coser/index.html) |
| License | CC BY-SA 4.0 |
| Genres | spoken |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v2.14 |
| Authors | Johnatan Bonilla |
| Contact | [johnatan.bonillahuerfano@ugent.be](mailto:johnatan.bonillahuerfano@ugent.be) |
| Development | in the UD repo (here) |

## Annotation layers

| Layer | Origin |
| --- | --- |
| Lemmas | manual native |
| UPOS | manual native |
| XPOS | not available |
| 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 |
| --- | --- | --- | --- | --- | --- |
| test | 539 | 7 987 | 8 073 | 85 | 0 |
| **total** | 539 | 7 987 | 8 073 | 85 | 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. Splits train, dev are absent from the release.

## Summary

> The COSER UD Treebank (COSER-UD) is the first syntactically annotated corpus of spoken Spanish, based on a sample of the "Corpus Oral y Sonoro del Español Rural" (COSER; Fernández-Ordóñez 2005-present), meaning the "Audible Corpus of Spoken Rural Spanish".

## Introduction

> The COSER-UD treebank is a linguistic resource produced in the Universal Dependencies framework, especially adapted to the particularities of spoken Spanish, especially with regard to rural dialects drawn from the written transcript and audio recordings of the Corpus Oral y Sonoro del Español Rural (COSER).
> 
> It is tailored to the characteristics of speech, such as word-order fluidity, ellipsis, disfluencies, colloquial expressions, which are critical for capturing morphosyntactic and syntactic features of spoken Spanish mergules.
> 
> The treebank explores dialects from outside of urban areas, providing even more representative linguistic variation for NLP than they typically get in NLP resources. These efforts add exciting and much-needed diversity to the purely linguistic data that computational models use, and have a social purpose in preserving linguistic variation.

- [← previous UD_Spanish-AnCora](https://md.mova.elamur.ai/free/en/docs/treebanks/es/ancora/)
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