Barrios González, E. , Tovar Vidal, M., Reyes-Ortiz, J.A. , Zacarias Flores, F. and Bello López, P. 2023. Exploring BERT-Based Pretrained Models for Polarity Analysis of Tweets in Spanish. International Journal of Combinatorial Optimization Problems and Informatics. 14, 1 (Mar. 2023), 27–38. DOI:https://doi.org/10.61467/2007.1558.2023.v14i1.336.