Deep neural model with enhanced embeddings for pharmaceutical and chemical entities recognition in Spanish clinical text Renzo Rivera author Paloma Martínez author 2019-11 text Proceedings of the 5th Workshop on BioNLP Open Shared Tasks Kim Jin-Dong editor Nédellec Claire editor Bossy Robert editor Deléger Louise editor Association for Computational Linguistics Hong Kong, China conference publication rivera-martinez-2019-deep 10.18653/v1/D19-5707 https://aclanthology.org/D19-5707/ 2019-11 38 46