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This repository brings an implementation of T5 for translation in PT-EN tasks using a modest hardware setup. We propose some changes in tokenizator and post-processing that improves the result and used a Portuguese pretrained model for the translation. You can collect more informations in our repository. Also, check our paper!


Just follow "Use in Transformers" instructions. It is necessary to add a few words before to define the task to T5.

You can also create a pipeline for it. An example with the phrase " Eu gosto de comer arroz" is:

from transformers import AutoTokenizer, AutoModelForSeq2SeqLM, pipeline
tokenizer = AutoTokenizer.from_pretrained("unicamp-dl/translation-pt-en-t5")

model = AutoModelForSeq2SeqLM.from_pretrained("unicamp-dl/translation-pt-en-t5")

pten_pipeline = pipeline('text2text-generation', model=model, tokenizer=tokenizer)

pten_pipeline("translate Portuguese to English: Eu gosto de comer arroz.")


    title = "Lite Training Strategies for {P}ortuguese-{E}nglish and {E}nglish-{P}ortuguese Translation",
    author = "Lopes, Alexandre  and
      Nogueira, Rodrigo  and
      Lotufo, Roberto  and
      Pedrini, Helio",
    booktitle = "Proceedings of the Fifth Conference on Machine Translation",
    month = nov,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://www.aclweb.org/anthology/2020.wmt-1.90",
    pages = "833--840",
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