Adaptive Feedback Message Generation for Second Language Learners of Arabic Khaled Shaalan author Marwa Magdy author 2011-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing 2011 Ruslan Mitkov editor Galia Angelova editor Association for Computational Linguistics Hissar, Bulgaria conference publication shaalan-magdy-2011-adaptive https://aclanthology.org/R11-1110/ 2011-09 752 757