A Weakly Supervised Model for Sentence-Level Semantic Orientation Analysis with Multiple Experts Lizhen Qu author Rainer Gemulla author Gerhard Weikum 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 qu-etal-2012-weakly https://aclanthology.org/D12-1014/ 2012-07 149 159