A System for Diacritizing Four Varieties of Arabic Hamdy Mubarak author Ahmed Abdelali author Kareem Darwish author Mohamed Eldesouki author Younes Samih author Hassan Sajjad author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP): System Demonstrations Sebastian Padó editor Ruihong Huang editor Association for Computational Linguistics Hong Kong, China conference publication mubarak-etal-2019-system 10.18653/v1/D19-3037 https://aclanthology.org/D19-3037/ 2019-11 217 222