Overview of OSACT4 Arabic Offensive Language Detection Shared Task Hamdy Mubarak author Kareem Darwish author Walid Magdy author Tamer Elsayed author Hend Al-Khalifa author 2020-05 text eng Proceedings of the 4th Workshop on Open-Source Arabic Corpora and Processing Tools, with a Shared Task on Offensive Language Detection Hend Al-Khalifa editor Walid Magdy editor Kareem Darwish editor Tamer Elsayed editor Hamdy Mubarak editor European Language Resources Association Marseille, France conference publication 979-10-95546-51-1 mubarak-etal-2020-overview https://aclanthology.org/2020.osact-1.7/ 2020-05 48 52