ANDRADE, Claudio M. V. de; MAGALHÃES, Gestefane Rabbi; ASEVEDO, Raiane; PAES, Julia; OLIVEIRA, Isaias José Ramos; PAGANO, Adriana; REIS, Zilma; GONÇALVES, Marcos A.. Study of the Impact of Synthetic Data and Paraphrases on Mitigating Imbalance in Low-Sample Portuguese Text Classification Tasks. In: BRAZILIAN SYMPOSIUM ON DATABASES (SBBD), 40. , 2025, Fortaleza/CE. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2025 . p. 837-843. ISSN 2763-8979. DOI: https://doi.org/10.5753/sbbd.2025.247749.