T. Pimentel and R. Goldschmidt.
" A Sequential Pattern Detection and Sentiment Analysis Combined Approach to the Churn Prediction Problem in Client Relationship Management Environments", in <em>Anais do XV Encontro Nacional de Inteligência Artificial e Computacional</em>, São Paulo, 2018, pp. 704-715, doi: <a href="https://doi.org/10.5753/eniac.2018.4460">https://doi.org/10.5753/eniac.2018.4460</a>.