@inproceedings{saeed-etal-2020-osact4, title = "{OSACT}4 Shared Tasks: Ensembled Stacked Classification for Offensive and Hate Speech in {A}rabic Tweets", author = "Saeed, Hafiz Hassaan and Calders, Toon and Kamiran, Faisal", editor = "Al-Khalifa, Hend and Magdy, Walid and Darwish, Kareem and Elsayed, Tamer and Mubarak, Hamdy", booktitle = "Proceedings of the 4th Workshop on Open-Source Arabic Corpora and Processing Tools, with a Shared Task on Offensive Language Detection", month = may, year = "2020", address = "Marseille, France", publisher = "European Language Resource Association", url = "https://preview.aclanthology.org/fix-sig-urls/2020.osact-1.11/", pages = "71--75", language = "eng", ISBN = "979-10-95546-51-1" }