Portable Features for Classifying Emotional Text Saif Mohammad author 2012-06 text Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Eric Fosler-Lussier editor Ellen Riloff editor Srinivas Bangalore editor Association for Computational Linguistics Montréal, Canada conference publication mohammad-2012-portable https://aclanthology.org/N12-1071/ 2012-06 587 591