Table 4.

Results obtained on the external PK-Ontology-Corpus test set after training BioBERT on the PK-NER-Corpus.

	Strict			Partial
Training corpus	$\text{P}$	$\text{R}$	$F_1$	$\text{P}$	$\text{R}$	$F_1$
PK-NER-Corpus	77.05	72.15	74.52	83.85	78.51	81.10