Negation Scope Detection for Twitter Sentiment Analysis Johan Reitan author Jørgen Faret author Björn Gambäck author Lars Bungum author 2015-09 text Proceedings of the 6th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis Alexandra Balahur editor Erik van der Goot editor Piek Vossen editor Andres Montoyo editor Association for Computational Linguistics Lisboa, Portugal conference publication reitan-etal-2015-negation 10.18653/v1/W15-2914 https://aclanthology.org/W15-2914/ 2015-09 99 108