Crowdsourcing High-Quality Parallel Data Extraction from Twitter Wang Ling author Luís Marujo author Chris Dyer author Alan W Black author Isabel Trancoso author 2014-06 text Proceedings of the Ninth Workshop on Statistical Machine Translation Ondřej Bojar editor Christian Buck editor Christian Federmann editor Barry Haddow editor Philipp Koehn editor Christof Monz editor Matt Post editor Lucia Specia editor Association for Computational Linguistics Baltimore, Maryland, USA conference publication ling-etal-2014-crowdsourcing 10.3115/v1/W14-3356 https://aclanthology.org/W14-3356/ 2014-06 426 436