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Precursor-induced conditional random fields: connecting separate entities by induction for improved clinical named entity recognition
BACKGROUND: This paper presents a conditional random fields (CRF) method that enables the capture of specific high-order label transition factors to improve clinical named entity recognition performance. Consecutive clinical entities in a sentence are usually separated from each other, and the textu...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6632205/ https://www.ncbi.nlm.nih.gov/pubmed/31307440 http://dx.doi.org/10.1186/s12911-019-0865-1 |