Sarcasm as Contrast between a Positive Sentiment and Negative Situation Ellen Riloff author Ashequl Qadir author Prafulla Surve author Lalindra De Silva author Nathan Gilbert author Ruihong Huang author 2013-10 text Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing David Yarowsky editor Timothy Baldwin editor Anna Korhonen editor Karen Livescu editor Steven Bethard editor Association for Computational Linguistics Seattle, Washington, USA conference publication riloff-etal-2013-sarcasm https://aclanthology.org/D13-1066/ 2013-10 704 714