Spell Checking Techniques for Replacement of Unknown Words and Data Cleaning for Haitian Creole SMS Translation Sara Stymne author 2011-07 text Proceedings of the Sixth Workshop on Statistical Machine Translation Chris Callison-Burch editor Philipp Koehn editor Christof Monz editor Omar F Zaidan editor Association for Computational Linguistics Edinburgh, Scotland conference publication stymne-2011-spell https://aclanthology.org/W11-2159/ 2011-07 470 477