EXPLORING LINGUISTIC FEATURES FOR EXTREMIST TEXTS DETECTION (ON THE MATERIAL OF RUSSIAN-SPEAKING ILLEGAL TEXTS) Статья Devyatkin D., Smirnov I., Ananyeva M., Kobozeva M., Chepovskiy A., Solovyev F. 2017 IEEE In-ternational Con-ference on Intelligence and Security Informatics: Security and Big Data, ISI 2017. [б.и.]. 2017. С. 188-190