Man Kwon, Young, Min Gu Son, Dong Keun Chung, and Myung jae Lim. “A Study on the Performance of Feature Extraction Methods According to the Size of N-Gram”. International Journal of Engineering & Technology 7, no. 3.33 (August 29, 2018): 23–27. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/18516.