Crystal: Analyzing Predictive Opinions on the Web Soo-Min Kim author Eduard Hovy author 2007-06 text Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL) Jason Eisner editor Association for Computational Linguistics Prague, Czech Republic conference publication kim-hovy-2007-crystal https://aclanthology.org/D07-1113/ 2007-06 1056 1064