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WindstormLabs/
origin-Helsinki-NLP-opus-mt-tc-big-cat_oci_spa-en

Name: origin-Helsinki-NLP-opus-mt-tc-big-cat_oci_spa-en
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opus-mt-tc-big-cat_oci_spa-en

Neural machine translation model for translating from Catalan, Occitan and Spanish (cat+oci+spa) to English (en).

This model is part of the OPUS-MT project, an effort to make neural machine translation models widely available and accessible for many languages in the world. All models are originally trained using the amazing framework of Marian NMT, an efficient NMT implementation written in pure C++. The models have been converted to pyTorch using the transformers library by huggingface. Training data is taken from OPUS and training pipelines use the procedures of OPUS-MT-train.

Publications: OPUS-MT – Building open translation services for the World and The Tatoeba Translation Challenge – Realistic Data Sets for Low Resource and Multilingual MT (Please, cite if you use this model.)

@inproceedings{tiedemann-thottingal-2020-opus,
    title = "{OPUS}-{MT} {--} Building open translation services for the World",
    author = {Tiedemann, J{\"o}rg  and Thottingal, Santhosh},
    booktitle = "Proceedings of the 22nd Annual Conference of the European Association for Machine Translation",
    month = nov,
    year = "2020",
    address = "Lisboa, Portugal",
    publisher = "European Association for Machine Translation",
    url = "https://aclanthology.org/2020.eamt-1.61",
    pages = "479--480",
}

@inproceedings{tiedemann-2020-tatoeba,
    title = "The Tatoeba Translation Challenge {--} Realistic Data Sets for Low Resource and Multilingual {MT}",
    author = {Tiedemann, J{\"o}rg},
    booktitle = "Proceedings of the Fifth Conference on Machine Translation",
    month = nov,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2020.wmt-1.139",
    pages = "1174--1182",
}

Model info

Release: 2022-03-13
source language(s): cat spa
target language(s): eng
model: transformer-big
data: opusTCv20210807+bt (source)
tokenization: SentencePiece (spm32k,spm32k)
original model: opusTCv20210807+bt_transformer-big_2022-03-13.zip
more information released models: OPUS-MT cat+oci+spa-eng README

Usage

A short example code:

python

from transformers import MarianMTModel, MarianTokenizer

src_text = [
    "¿Puedo hacerte una pregunta?",
    "Toca algo de música."
]

model_name = "pytorch-models/opus-mt-tc-big-cat_oci_spa-en"
tokenizer = MarianTokenizer.from_pretrained(model_name)
model = MarianMTModel.from_pretrained(model_name)
translated = model.generate(**tokenizer(src_text, return_tensors="pt", padding=True))

for t in translated:
    print( tokenizer.decode(t, skip_special_tokens=True) )

# expected output:
#     Can I ask you a question?
#     He plays some music.

You can also use OPUS-MT models with the transformers pipelines, for example:

python

from transformers import pipeline
pipe = pipeline("translation", model="Helsinki-NLP/opus-mt-tc-big-cat_oci_spa-en")
print(pipe("¿Puedo hacerte una pregunta?"))

# expected output: Can I ask you a question?

Benchmarks

test set translations: opusTCv20210807+bt_transformer-big_2022-03-13.test.txt
test set scores: opusTCv20210807+bt_transformer-big_2022-03-13.eval.txt
benchmark results: benchmark_results.txt
benchmark output: benchmark_translations.zip

langpair	testset	chr-F	BLEU	#sent	#words
cat-eng	tatoeba-test-v2021-08-07	0.72019	57.3	1631	12627
spa-eng	tatoeba-test-v2021-08-07	0.76017	62.3	16583	138123
cat-eng	flores101-devtest	0.69572	45.4	1012	24721
oci-eng	flores101-devtest	0.63347	37.5	1012	24721
spa-eng	flores101-devtest	0.59696	29.9	1012	24721
spa-eng	newssyscomb2009	0.57104	30.8	502	11818
spa-eng	news-test2008	0.55440	27.9	2051	49380
spa-eng	newstest2009	0.57153	30.2	2525	65399
spa-eng	newstest2010	0.61890	36.8	2489	61711
spa-eng	newstest2011	0.60278	34.7	3003	74681
spa-eng	newstest2012	0.62760	38.6	3003	72812
spa-eng	newstest2013	0.60994	35.3	3000	64505
spa-eng	tico19-test	0.74033	51.8	2100	56315

Acknowledgements

The work is supported by the European Language Grid as pilot project 2866, by the FoTran project, funded by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 771113), and the MeMAD project, funded by the European Union’s Horizon 2020 Research and Innovation Programme under grant agreement No 780069. We are also grateful for the generous computational resources and IT infrastructure provided by CSC -- IT Center for Science, Finland.

Model conversion info

transformers version: 4.16.2
OPUS-MT git hash: 3405783
port time: Wed Apr 13 18:30:38 EEST 2022
port machine: LM0-400-22516.local

WindstormLabs/origin-Helsinki-NLP-opus-mt-tc-big-cat_oci_spa-en