Research on Named Entity Recognition of Electronic Medical Records Based on RoBERTa and Radical-Level Feature

Table 3

Comparison of three pretraining models on CCKS2019.

Model	Precision	Recall	F1 score
BERT+CRF	81.82	79.33	80.56
ALBERT+CRF	81.91	77.68	79.74
RoBERTa-wwm-ext+CRF	81.83	79.33	80.55
RoBERTa-wwm-ext-large+CRF	82.29	79.69	80.97