What’s great and what’s not: learning to classify the scope of negation for improved sentiment analysis Isaac Councill author Ryan McDonald author Leonid Velikovich author 2010-07 text Proceedings of the Workshop on Negation and Speculation in Natural Language Processing Roser Morante editor Caroline Sporleder editor University of Antwerp Uppsala, Sweden conference publication councill-etal-2010-great https://aclanthology.org/W10-3110/ 2010-07 51 59