Improved Spelling Error Detection and Correction for Arabic Mohammed Attia author Pavel Pecina author Younes Samih author Khaled Shaalan author Josef van Genabith author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication attia-etal-2012-improved https://aclanthology.org/C12-2011/ 2012-12 103 112