1. V. Jourová, Code of conduct on countering illegal hate speech online: first results on implementation
2. World trends in freedom of expression and media development: Global report 2017/2018;UNESCO,2018
3. Ex Machina: Personal Attacks Seen at Scale;Wulczyn,2017
4. Large scale crowdsourcing and characterization of twitter abusive behavior;Founta,2018
5. Automated hate speech detection and the problem of offensive language;Davidson,2017