# **SUD_Western_Sierra_Puebla_Nahuatl-MesoTree**: SUD treebank conversion for the corpus UD_Western_Sierra_Puebla_Nahuatl-MesoTree version 2.18
This treebank was automatically generated from the UD treebank:
[UD_Western_Sierra_Puebla_Nahuatl-MesoTree](https://github.com/UniversalDependencies/UD_Western_Sierra_Puebla_Nahuatl-MesoTree/releases/tag/r2.18).

See [SUD data page](https://surfacesyntacticud.org/data/) for more details about the conversion process.

The rest of this file is a copy of the original README associated to **UD_Western_Sierra_Puebla_Nahuatl-MesoTree** and therefore refers to UD.

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# 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.

# Citation
If you use this treebank in your research, please cite:

@article{pughuniversal,
  title={Universal Dependencies for Western Sierra Puebla Nahuatl},
  author={Pugh, Robert and Mendez, Marivel Huerta and Sasaki, Mitsuya and Tyers, Francis M}
  booktitle={Proceedings of the 13th Language Resources and Evaluation Conference}
  year=2022
}


# Acknowledgments
We would like to thank the following for giving permission to use their sentences.

* Elizabeth Márquez Hernández
* Jaime Hernández Juárez
* Ubaldo Márquez Pérez
* Petra Schroeder


## References

* Pugh, R., Tyers, F., and Huerta Mendez, M. (2021). Towards an open source finite-state morphological analyzer for Zacatlán-Ahuacatlán-Tepetzintla Nahuatl. In Proceedings of the 4th Workshop on the Use of Computational Methods in the Study of Endangered Languages Volume 1 (Papers), pages 80–85.

# Changelog

* 2026-05-15 v2.18
  * Repository renamed from UD Western Sierra Puebla Nahuatl-ITML to UD Western Sierra Puebla Nahuatl-MesoTree.
  * Added 10k tokens.
* 2022-11-15 v2.11
  * Initial release in Universal Dependencies.


<pre>
=== Machine-readable metadata (DO NOT REMOVE!) ================================
Data available since: UD v2.11
License: CC BY-SA 4.0
Includes text: yes
Parallel: no
Genre: spoken fiction grammar-examples nonfiction
Lemmas: manual native
UPOS: manual native
XPOS: not available
Features: manual native
Relations: manual native
Contributors: Pugh, Robert; Huerta Mendez, Marivel; Sasaki, Mitsuya; Tyers, Francis; Juarez Huerta, María Ximena; Márquez Hernández, Ángeles;
Contributing: elsewhere
Contact: pughrob@iu.edu
===============================================================================
</pre>
