Nizar Habash editor Houda Bouamor editor Hazem Hajj editor Walid Magdy editor Wajdi Zaghouani editor Fethi Bougares editor Nadi Tomeh editor Ibrahim Abu Farha editor Samia Touileb editor 2021-04 Association for Computational Linguistics Kyiv, Ukraine (Virtual) text conference publication wanlp-2021-arabic https://aclanthology.org/2021.wanlp-1.0/