Exploring Emotional Words for Chinese Document Chief Emotion Analysis Yunong Wu author Kenji Kita author Fuji Ren author Kazuyuki Matsumoto author Xin Kang author 2011-12 text Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation Helena Hong Gao editor Minghui Dong editor Institute of Digital Enhancement of Cognitive Processing, Waseda University Singapore conference publication wu-etal-2011-exploring https://aclanthology.org/Y11-1064/ 2011-12 597 606