Hatakeyama, Suzuha, Fumito Masui, Michal Ptaszynski, and Kazuhide Yamamoto. 2016. “Statistical Analysis of Automatic Seed Word Acquisition to Improve Harmful Expression Extraction in Cyberbullying Detection”. International Journal of Engineering and Technology Innovation 6 (2):165-72. https://ojs.imeti.org/index.php/IJETI/article/view/124.