Improved Part-of-Speech Tagging for Online Conversational Text with Word Clusters Olutobi Owoputi author Brendan O’Connor author Chris Dyer author Kevin Gimpel author Nathan Schneider author Noah A Smith author 2013-06 text Proceedings of the 2013 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Lucy Vanderwende editor Hal Daumé III editor Katrin Kirchhoff editor Association for Computational Linguistics Atlanta, Georgia conference publication owoputi-etal-2013-improved https://aclanthology.org/N13-1039/ 2013-06 380 390