WANLP 2021 Shared-Task: Towards Irony and Sentiment Detection in Arabic Tweets using Multi-headed-LSTM-CNN-GRU and MaRBERT Reem Abdel-Salam 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 abdel-salam-2021-wanlp https://aclanthology.org/2021.wanlp-1.37/ 2021-04 306 311