IOA: Improving SVM Based Sentiment Classification Through Post Processing Peijia Li author Weiqun Xu author Chenglong Ma author Jia Sun author Yonghong Yan author 2015-06 text Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015) Preslav Nakov editor Torsten Zesch editor Daniel Cer editor David Jurgens editor Association for Computational Linguistics Denver, Colorado conference publication li-etal-2015-ioa 10.18653/v1/S15-2091 https://aclanthology.org/S15-2091/ 2015-06 545 550