Solikhatun, A., and E. Sugiharti. “Application of the Naïve Bayes Classifier Algorithm Using N-Gram and Information Gain to Improve the Accuracy of Restaurant Review Sentiment Analysis”. Journal of Advances in Information Systems and Technology, Vol. 2, no. 2, Oct. 2020, pp. 11-20, doi:10.15294/jaist.v2i2.44303.