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---
pipeline_tag: translation
language: multilingual
library_name: transformers
license: cc-by-nc-sa-4.0
---
<div align="center">
<h1 style="font-family: 'Arial', sans-serif; font-size: 28px; font-weight: bold; color: black;">
🛡️ Guardians of the Machine Translation Meta-Evaluation:<br>
Sentinel Metrics Fall In!
</h1>
</div>
<div style="display:flex; justify-content: center; align-items: center; flex-direction: row;">
<a href="https://2024.aclweb.org/"><img src="http://img.shields.io/badge/ACL-2024-4b44ce.svg"></a>
<a href="https://aclanthology.org/2024.acl-long.856/"><img src="http://img.shields.io/badge/paper-ACL--anthology-B31B1B.svg"></a>
<a href="https://arxiv.org/abs/2408.13831"><img src="https://img.shields.io/badge/arXiv-2408.13831-b31b1b.svg"></a>
<a href="https://creativecommons.org/licenses/by-nc-sa/4.0/"><img src="https://img.shields.io/badge/License-CC%20BY--NC--SA%204.0-lightgrey.svg"></a>
</div>
<div style="display:flex; justify-content: center; align-items: center; flex-direction: row;">
<a href="https://huggingface.co/collections/sapienzanlp/mt-sentinel-metrics-66ab643b32aab06f3157e5c1"><img src="https://img.shields.io/badge/%F0%9F%A4%97%20Hugging%20Face-Collection-FCD21D"></a>
<a href="https://github.com/SapienzaNLP/guardians-mt-eval"><img src="https://img.shields.io/badge/GitHub-Repo-121013?logo=github&logoColor=white"></a>
</div>
This repository contains the **SENTINEL<sub>REF</sub>** metric model pre-trained on Direct Assessments (DA) annotations and further fine-tuned on Multidimensional Quality Metrics (MQM) data. For details on how to use our sentinel metric models, check our [GitHub repository](https://github.com/SapienzaNLP/guardians-mt-eval).
## Usage
After having installed our repository package, you can use this model within Python in the following way:
```python
from sentinel_metric import download_model, load_from_checkpoint
model_path = download_model("sapienzanlp/sentinel-ref-mqm")
model = load_from_checkpoint(model_path)
data = [
{"ref": "There's no place like home."},
{"ref": "Toto, I've a feeling we're not in Kansas anymore."}
]
output = model.predict(data, batch_size=8, gpus=1)
```
Output:
```python
# Segment scores
>>> output.scores
[0.5577929019927979, 0.3894208073616028]
# System score
>>> output.system_score
0.4736068546772003
```
## Cite this work
This work has been published at [ACL 2024 (Main Conference)](https://aclanthology.org/2024.acl-long.856/). If you use any part, please consider citing our paper as follows:
```bibtex
@inproceedings{perrella-etal-2024-guardians,
title = "Guardians of the Machine Translation Meta-Evaluation: Sentinel Metrics Fall In!",
author = "Perrella, Stefano and Proietti, Lorenzo and Scir{\`e}, Alessandro and Barba, Edoardo and Navigli, Roberto",
editor = "Ku, Lun-Wei and Martins, Andre and Srikumar, Vivek",
booktitle = "Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
month = aug,
year = "2024",
address = "Bangkok, Thailand", publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2024.acl-long.856",
pages = "16216--16244",
}
```
## License
This work is licensed under [Creative Commons Attribution-ShareAlike-NonCommercial 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/).
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