Crowdsourcing Translation: Professional Quality from Non-Professionals Omar F Zaidan author Chris Callison-Burch author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication zaidan-callison-burch-2011-crowdsourcing https://aclanthology.org/P11-1122/ 2011-06 1220 1229