Active Learning for Imbalanced Sentiment Classification Shoushan Li author Shengfeng Ju author Guodong Zhou author Xiaojun Li author 2012-07 text Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning Jun’ichi Tsujii editor James Henderson editor Marius Paşca editor Association for Computational Linguistics Jeju Island, Korea conference publication li-etal-2012-active-learning https://aclanthology.org/D12-1013/ 2012-07 139 148