«Optimization of Naïve Bayes Classifier By Implemented Unigram, Bigram, Trigram for Sentiment Analysis of Hotel Review». Journal of Soft Computing Exploration 1, no. 1 (октябрь 6, 2020): 1–7. просмотрено август 25, 2026. https://shmpublisher.com/index.php/joscex/article/view/4.