A review of Spanish corpora annotated with negation Salud María Jiménez-Zafra author Roser Morante author Maite Martin author L Alfonso Ureña-López author 2018-08 text Proceedings of the 27th International Conference on Computational Linguistics Emily M Bender editor Leon Derczynski editor Pierre Isabelle editor Association for Computational Linguistics Santa Fe, New Mexico, USA conference publication jimenez-zafra-etal-2018-review https://aclanthology.org/C18-1078/ 2018-08 915 924