Paraphrasing 4 Microblog Normalization Wang Ling author Chris Dyer author Alan W Black author Isabel Trancoso author 2013-10 text Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing David Yarowsky editor Timothy Baldwin editor Anna Korhonen editor Karen Livescu editor Steven Bethard editor Association for Computational Linguistics Seattle, Washington, USA conference publication ling-etal-2013-paraphrasing https://aclanthology.org/D13-1008/ 2013-10 73 84