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| Tarefa | F1-Weighted | Accuracy |
|---|---|---|
| Classificação de objetos de contratação | 95.87% | 95.87% |
| Classificação de indícios de fraude | 91.65% | 86.08% |
1from transformers import AutoTokenizer, AutoModelForMaskedLM
2
3tokenizer = AutoTokenizer.from_pretrained("tcepi/helbert-lsg")
4model = AutoModelForMaskedLM.from_pretrained("tcepi/helbert-lsg")
5
6input_text = "A proposta será avaliada com base no critério do [MASK]."
7inputs = tokenizer(input_text, return_tensors="pt")
8outputs = model(**inputs)1@article{Lima_da Silva_da Silva_Rabêlo_de Paiva_2026,
2title={HelBERT: A BERT-Based Pretraining Model for Public Procurement Tasks in Portuguese},
3volume={32},
4url={https://journals-sol.sbc.org.br/index.php/jbcs/article/view/5511},
5DOI={10.5753/jbcs.2026.5511},
6number={1},
7journal={Journal of the Brazilian Computer Society},
8author={Lima, Weslley Emmanuel Martins and da Silva, Victor Ribeiro and da Silva, Jasson Carvalho and Rabêlo, Ricardo de Andrade Lira and de Paiva, Anselmo Cardoso},
9year={2026},
10month={Feb.},
11pages={145–158}
12}