Adapting MARBERT for Improved Arabic Dialect Identification: Submission to the NADI 2021 Shared Task Badr AlKhamissi author Mohamed Gabr author Muhammad ElNokrashy author Khaled Essam author 2021-04 text Proceedings of the Sixth Arabic Natural Language Processing Workshop 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 Association for Computational Linguistics Kyiv, Ukraine (Virtual) conference publication alkhamissi-etal-2021-adapting https://aclanthology.org/2021.wanlp-1.29/ 2021-04 260 264