The Role of Diacritics in Increasing the Difficulty of Arabic Lexical Recognition Tests Osama Hamed author Torsten Zesch author 2018-11 text Proceedings of the 7th workshop on NLP for Computer Assisted Language Learning Ildikó Pilán editor Elena Volodina editor David Alfter editor Lars Borin editor LiU Electronic Press Stockholm, Sweden conference publication hamed-zesch-2018-role https://aclanthology.org/W18-7103/ 2018-11 23 31