An Examination of Regret in Bullying Tweets Jun-Ming Xu author Benjamin Burchfiel author Xiaojin Zhu author Amy Bellmore 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 xu-etal-2013-examination https://aclanthology.org/N13-1082/ 2013-06 697 702