Predicting Sentiment of Polish Language Short Texts Aleksander Wawer author Julita Sobiczewska author 2019-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication wawer-sobiczewska-2019-predicting 10.26615/978-954-452-056-4_151 https://aclanthology.org/R19-1151/ 2019-09 1321 1327