How do Negation and Modality Impact on Opinions? Farah Benamara author Baptiste Chardon author Yannick Mathieu author Vladimir Popescu author Nicholas Asher author 2012-07 text Proceedings of the Workshop on Extra-Propositional Aspects of Meaning in Computational Linguistics Roser Morante editor Caroline Sporleder editor Association for Computational Linguistics Jeju, Republic of Korea conference publication benamara-etal-2012-negation https://aclanthology.org/W12-3802/ 2012-07 10 18