Mazajak: An Online Arabic Sentiment Analyser Ibrahim Abu Farha author Walid Magdy author 2019-08 text Proceedings of the Fourth Arabic Natural Language Processing Workshop Wassim El-Hajj editor Lamia Hadrich Belguith editor Fethi Bougares editor Walid Magdy editor Imed Zitouni editor Nadi Tomeh editor Mahmoud El-Haj editor Wajdi Zaghouani editor Association for Computational Linguistics Florence, Italy conference publication abu-farha-magdy-2019-mazajak 10.18653/v1/W19-4621 https://aclanthology.org/W19-4621/ 2019-08 192 198