Constrained Sequence-to-sequence Semitic Root Extraction for Enriching Word Embeddings Ahmed El-Kishky author Xingyu Fu author Aseel Addawood author Nahil Sobh author Clare Voss author Jiawei Han 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 el-kishky-etal-2019-constrained 10.18653/v1/W19-4610 https://aclanthology.org/W19-4610/ 2019-08 88 96