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NERChem: adapting NERBio to chemical patents via full-token features and named entity feature with chemical sub-class composition
Chemical patents contain detailed information on novel chemical compounds that is valuable to the chemical and pharmaceutical industries. In this paper, we introduce a system, NERChem that can recognize chemical named entity mentions in chemical patents. NERChem is based on the conditional random fi...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Oxford University Press
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5091336/ https://www.ncbi.nlm.nih.gov/pubmed/31414701 http://dx.doi.org/10.1093/database/baw135 |