1. Rabal O, Pérez-Pérez M, Pérez-Rodríguez G, Vazquez M, Fdez-Riverola F, Oyarzabal J, Valencia A, Lourenço A, Krallinger M (2018) Comparative assessment of named entity recognition strategies on medicinal chemistry patents for systems pharmacology. J Cheminformatics 2018:11–18
2. Kim J-D, Ohta T, Tsuruoka Y, Tateisi Y, Collier N (2004) Introduction to the bio-entity recognition task at JNLPBA. In Proceedings of the international joint workshop on natural language processing in biomedicine and its applications. Association for Computational Linguistics, Geneva, Switzerland, pp 70–75
3. Smith L, Tanabe LK, Ando R, Kuo C-J, Chung I-F, Hsu C-N, Lin Y-S, Klinger R, Friedrich CM, Ganchev K et al (2008) Overview of BioCreative II gene mention recognition. Genome Biol 9:S2
4. Krallinger M, Leitner F, Rabal O, Vazquez M, Oyarzabal J, Valencia A (2015) CHEMDNER: the drugs and chemical names extraction challenge. J Cheminform 7(1):S1
5. Leaman R, Wei C-H, Zou C, Lu Z (2016) Mining chemical patents with an ensemble of open systems. Database.
https://doi.org/10.1093/database/baw065