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- [papers.md](https://md.mova.elamur.ai/free/en/docs/treebanks/nhi/mesotree/papers/) — Papers: UD_Western_Sierra_Puebla_Nahuatl-MesoTree

# UD_Western_Sierra_Puebla_Nahuatl-MesoTree

Treebank card from UD release 2.18: metadata and texts come from `UD_Western_Sierra_Puebla_Nahuatl-MesoTree/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_Western_Sierra_Puebla_Nahuatl-MesoTree](https://md.mova.elamur.ai/free/en/docs/treebanks/nhi/mesotree/papers/); seeds: `seeds/`; converter: `convert.md`.

| Field | Value |
| --- | --- |
| UD name | UD_Western_Sierra_Puebla_Nahuatl-MesoTree |
| Language | Western Sierra Puebla Nahuatl (`nhi`) |
| Family | Uto-Aztecan |
| Treebank code | `nhi_mesotree` |
| UD page | [universaldependencies.org/treebanks/nhi mesotree/index.html](https://universaldependencies.org/treebanks/nhi_mesotree/index.html) |
| License | CC BY-SA 4.0 |
| Genres | spoken, fiction, grammar-examples, nonfiction |
| Text in data | yes |
| Parallel | no |
| In UD since | UD v2.11 |
| Authors | Robert Pugh; Marivel Huerta Mendez; Mitsuya Sasaki; Francis Tyers; María Ximena Juarez Huerta; Ángeles Márquez Hernández |
| Contact | [pughrob@iu.edu](mailto:pughrob@iu.edu) |
| 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 | 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 | 3 024 | 19 191 | 19 535 | 336 | 16 |
| **total** | 3 024 | 19 191 | 19 535 | 336 | 16 |

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

> UD Western Sierra Puebla Nahuatl-MesoTree is a combination of the existing UD Western Sierra Puebla Nahuatl-IU treebank (ITML) (with some updates to annotations due to caught errors or changes annotation decisions) and new sentences annotated as part of the NSF-funded project, "Syntactically-annotated corpora for endangered languages in areal contact" (MesoTree).

## Introduction

> The ITML treebank was pre-annotated for morphology using the [`apertium-nhi`](https://github.com/apertium/apertium-nhi/) (Pugh et al, 2021). The morphological analyses were disambiguated and annotated for dependency structure by hand. The MesoTree data does not include morphological analyses at this time.
> 
> The treebank consists of sentences from written fiction and non-fiction, spontanenous speech, and grammar examples. The new additions also consist of a large chunk of sentences (ALIMG) translated into two subvarieties of the language, one from San Miguel Tenango, Zacatlán, and another from Omitlán, Tepetzintla.

- [↑ back to Western Sierra Puebla Nahuatl (nhi) — UD 2.18 treebanks](https://md.mova.elamur.ai/free/en/docs/treebanks/nhi/)