“…Radicalization is currently defined by the European Commission as the phenomenon of sharing opinions, views and ideas that could lead to terrorism (Reinares et al, 2008). Many authors of dark web studies were in agreement about the use of positive polarity (violent/ extremist) and negative polarity (non-violent/extremist) forms of radicalization when applying sentiment analysis, including Ahmad et al, 2019;Anand et al, 2009;Araque and Iglesias, 2020;Bermingham et al, 2009;Chalothorn and Ellman, 2013;Dragos et al, 2019;Fadel and € Oz, 2020;Sabbah et al, 2016;Sabbah and Selamat, 2014;Smith, 2004;Wiil, 2011;Yilmazel et al, 2005;Zimbra and Chen, 2012).…”