KOSAC: A Full-Fledged Korean Sentiment Analysis Corpus Hayeon Jang author Munhyong Kim author Hyopil Shin author 2013-11 text Proceedings of the 27th Pacific Asia Conference on Language, Information, and Computation (PACLIC 27) Department of English, National Chengchi University Taipei, Taiwan conference publication jang-etal-2013-kosac https://aclanthology.org/Y13-1037/ 2013-11 366 373