Kansaon, D., M. A. Brandão, J. C. S. Reis, and F. Benevenuto. “Mining Comparative Opinions in Portuguese: A Lexicon-Based Approach”. Journal of the Brazilian Computer Society, vol. 30, no. 1, Sept. 2024, pp. 347-62, doi:10.5753/jbcs.2024.2830.