Sentiment Expression Boundaries in Sentiment Polarity Classification Rasoul Kaljahi author Jennifer Foster author 2018-10 text Proceedings of the 9th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis Alexandra Balahur editor Saif M Mohammad editor Veronique Hoste editor Roman Klinger editor Association for Computational Linguistics Brussels, Belgium conference publication kaljahi-foster-2018-sentiment 10.18653/v1/W18-6222 https://aclanthology.org/W18-6222/ 2018-10 156 166