Research Article

Named Entity Recognition in Chinese Medical Literature Using Pretraining Models

Table 6

Recognition results of feature extraction and fine-tuning.

Pretraining modelsP (%)R (%)F (%)

BERT (feature extraction)90.88190.98390.932
BERT (fine-tuning)90.96891.04891.008
ERNIE (feature extraction)90.51990.63990.579
ERNIE (fine-tuning)90.65990.52790.593
RoBERTa (feature extraction)91.10991.27591.192
RoBERTa (fine-tuning)91.16491.25491.209

Values in bold represent the maximum values.