Cause Event Representations for Happiness and Surprise Sophia Yat Mei Lee author Ying Chen author Chu-Ren Huang author 2009-12 text Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation, Volume 1 Olivia Kwong editor City University of Hong Kong Hong Kong conference publication lee-etal-2009-cause https://aclanthology.org/Y09-1032/ 2009-12 297 306