---
title: "DATASHI: A Parallel English–Tashlhiyt Corpus — Monir 2026"
description: "Tashlhiyt is an Amazigh language of southern Morocco with several million speakers, but it has very few computational resources."
authors: ["Nasser-Eddine Monir", "Zakaria Baou"]
year: 2026
venue: "Proceedings of the Fifteenth Language Resources and Evaluation Conference"
source: "https://aclanthology.org/2026.lrec-1.153/"
doi: "10.63317/2zekkx242a7h"
licence: "CC BY-NC 4.0 (ELRA, LREC proceedings)"
licence_url: "https://creativecommons.org/licenses/by-nc/4.0/"
summary_licence: "Elamur Cosmic License"
canonical: "https://research.elamur.ai/free/papers/monir-2026-datashi-parallel-english-tashlhiyt-corpus/"
---
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# DATASHI: A Parallel English–Tashlhiyt Corpus for Orthography Normalization and Low-Resource Language Processing.

**Authors:** Nasser-Eddine Monir, Zakaria Baou · **Year:** 2026 · **Venue:** Proceedings of the Fifteenth Language Resources and Evaluation Conference · **Licence:** [CC BY-NC 4.0 (ELRA, LREC proceedings)](https://creativecommons.org/licenses/by-nc/4.0/)

**Links:** [Publisher's page](https://aclanthology.org/2026.lrec-1.153/) · [PDF](https://aclanthology.org/2026.lrec-1.153.pdf) · [DOI 10.63317/2zekkx242a7h](https://doi.org/10.63317/2zekkx242a7h) · [OpenAlex](https://openalex.org/W7160105938)

**Citations:** 0 citations (openalex-snapshot · 2026-10-14)

## Summary
Tashlhiyt is an Amazigh language of southern Morocco with several million speakers, but it has very few computational resources. Its written form is highly inconsistent. Speakers mix Latin, Arabic and Neo-Tifinagh scripts, and they often use digits such as "3" or "7" for sounds that Latin letters lack. To address this, the authors built DATASHI, a parallel English–Tashlhiyt corpus of 5,000 sentence pairs. The English sentences were authored across 20 everyday topics. Native speakers with no orthographic training then wrote them down in Tashlhiyt using their own spelling habits. Language experts manually standardized 1,500 of these sentences, creating a gold reference for normalization. On this subset, the authors tested five large language models on turning informal spelling into standard form. Few-shot prompting clearly beat zero-shot, and Gemini-2.5-Pro achieved the lowest word- and character-level error rates. A breakdown of edit types by sound class shows where models struggle with marked Tashlhiyt features. The resource supports normalization, translation and tokenization research and could later support read-speech collection.

## Key points
- DATASHI contains 5,000 English–Tashlhiyt pairs, with 250 sentences in each of 20 thematic domains. The full dataset, code and prompts are released at github.com/Nasseredd/datashi.
- The non-standard Tashlhiyt side was written by 34 native speakers (17 male, 17 female, aged 20–50). Seven Amazigh experts standardized a 1,500-sentence subset by hand, with no automatic pre-normalization.
- In the full corpus, the English side has 43,654 tokens and 3,160 types, while non-standard Tashlhiyt has 35,714 tokens and 7,261 types. This vocabulary gap reflects how much unregulated spelling varies.
- In the 1,500-sentence subset, standardization raised the token count from 10,698 to 12,211 and reduced the vocabulary from 4,583 to 3,683 types.
- The models evaluated were GPT-5, Claude-Sonnet-4.5, Gemini-2.5-Pro, Mistral and Qwen3-Max, with Gemini-2.5-Pro performing best. Deletions, substitutions and insertions were analyzed separately for geminates, emphatics, uvulars and pharyngeals.

*Our summary of the paper, in our own words — not its text. The work belongs to its authors; read it at the links above.*

Fields: [Linguistics & languages](https://md.research.elamur.ai/free/shelves/linguistics/)

## Cite

The paper itself, not this page. BibTeX from the library's record of the work.

```bibtex
@inproceedings{monir2026datashi,
  title = {{DATASHI: A Parallel English–Tashlhiyt Corpus for Orthography Normalization and Low-Resource Language Processing.}},
  author = {Monir, Nasser-Eddine and Baou, Zakaria},
  booktitle = {Proceedings of the Fifteenth Language Resources and Evaluation Conference},
  year = {2026},
  doi = {10.63317/2zekkx242a7h},
  url = {https://doi.org/10.63317/2zekkx242a7h}
}
```

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