Wielgosz, Maciej, Paweł Szczepka, Pawel Russek, Ernest Jamro, Kazimierz Wiatr, Marcin Pietroń, and Dominik Żurek. 2017. “Evaluation and Implementation of N-Gram-Based Algorithm for Fast Text Comparison”. Computing and Informatics 36 (4):887-907. http://147.213.75.17/ojs/index.php/cai/article/view/2017_4_887.