Problematic Cases in the Annotation of Negation in Spanish Salud María Jiménez-Zafra author Maite Martin author L Alfonso Ureña-López author Toni Martí author Mariona Taulé author 2016-12 text Proceedings of the Workshop on Extra-Propositional Aspects of Meaning in Computational Linguistics (ExProM) Eduardo Blanco editor Roser Morante editor Roser Saurí editor The COLING 2016 Organizing Committee Osaka, Japan conference publication jimenez-zafra-etal-2016-problematic https://aclanthology.org/W16-5006/ 2016-12 42 48