OMAM at SemEval-2017 Task 4: English Sentiment Analysis with Conditional Random Fields Chukwuyem Onyibe author Nizar Habash author 2017-08 text Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017) Steven Bethard editor Marine Carpuat editor Marianna Apidianaki editor Saif M Mohammad editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Vancouver, Canada conference publication onyibe-habash-2017-omam 10.18653/v1/S17-2111 https://aclanthology.org/S17-2111/ 2017-08 670 674