KUNLPLab:Sentiment Analysis on Twitter Data Beakal Gizachew Assefa 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 assefa-2014-kunlplab 10.3115/v1/S14-2067 https://aclanthology.org/S14-2067/ 2014-08 391 394