Herrera Herrera, Nelson Ivan, and Nelson Esteban Salgado Reyes. “Evaluation of Tourist Sites through Sentiment Analysis of Comments Issued by Users on Social Networks”. Revista Tecnológica - ESPOL 34, no. 2 (June 30, 2022): 125–139. Accessed November 28, 2025. https://www.rte.espol.edu.ec/index.php/tecnologica/article/view/921.