OPAL at SemEval-2016 Task 4: the Challenge of Porting a Sentiment Analysis System to the “Real” World Alexandra Balahur author 2016-06 text Proceedings of the 10th International Workshop on Semantic Evaluation (SemEval-2016) Steven Bethard editor Marine Carpuat editor Daniel Cer editor David Jurgens editor Preslav Nakov editor Torsten Zesch editor Association for Computational Linguistics San Diego, California conference publication balahur-2016-opal 10.18653/v1/S16-1041 https://aclanthology.org/S16-1041/ 2016-06 262 265