Sentiment analysis on conversational texts Birgitta Ojamaa author Päivi Kristiina Jokinen author Kadri Muischenk author 2015-05 text Proceedings of the 20th Nordic Conference of Computational Linguistics (NODALIDA 2015) Beáta Megyesi editor Linköping University Electronic Press, Sweden Vilnius, Lithuania conference publication ojamaa-etal-2015-sentiment https://aclanthology.org/W15-1829/ 2015-05 233 237