Opinion Target Extraction Using Word-Based Translation Model Kang Liu author Liheng Xu author Jun Zhao 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 liu-etal-2012-opinion https://aclanthology.org/D12-1123/ 2012-07 1346 1356