Drug knowledge discovery via multi-task learning and pre-trained models

Table 5 Ablation study of Task 1 in development set

Model	P	R	F₁
BioBERT	0.511	0.529	0.519
w/ BiLSTM	0.502	0.448	0.473
w/o Word shape	0.539	0.453	0.492
w/o POS tags	0.518	0.482	0.499
w/o Multi-task learning	0.492	0.478	0.484

ISSN: 1472-6947