Bootstrapped Learning of Emotion Hashtags #hashtags4you Ashequl Qadir author Ellen Riloff author 2013-06 text Proceedings of the 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis Alexandra Balahur editor Erik van der Goot editor Andres Montoyo editor Association for Computational Linguistics Atlanta, Georgia conference publication qadir-riloff-2013-bootstrapped https://aclanthology.org/W13-1602/ 2013-06 2 11