Subjective Natural Language Problems: Motivations, Applications, Characterizations, and Implications Cecilia Ovesdotter Alm author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication ovesdotter-alm-2011-subjective https://aclanthology.org/P11-2019/ 2011-06 107 112