OPI: Semeval-2014 Task 3 System Description Marek Kozlowski author 2014-08 text Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014) Preslav Nakov editor Torsten Zesch editor Association for Computational Linguistics Dublin, Ireland conference publication kozlowski-2014-opi 10.3115/v1/S14-2079 https://aclanthology.org/S14-2079/ 2014-08 454 458