The original work of this tool is:
Souza, F., Nogueira, R., & Lotufo, R. (2020, October). BERTimbau: pretrained BERT models for Brazilian Portuguese. In Brazilian Conference on Intelligent Systems (pp. 403-417). Springer, Cham.
Souza, F., Nogueira, R., & Lotufo, R. (2019). Portuguese named entity recognition using BERT-CRF. arXiv preprint arXiv:1909.10649.
bertimbau_fill_mask tool that predicts which word fits in a masked space on a text using the portuguese masked language model BERTIMBAU.