Rocha, L. H., D. Duarte, and D. Welter. “What Happened in 2020: A Topic Modeling Approach Based on a Topic Similarity Metric”. ISys - Brazilian Journal of Information Systems, vol. 15, no. 1, Oct. 2022, pp. 19:1 - 19:17, doi:10.5753/isys.2022.2307.