A Multitask Deep Learning Framework for DNER

Table 6

Performance comparison of each representations.

System	DDI2011			DDI2013
	Precision	Recall	F1	Precision	Recall	F1
ELMo	88.46	87.74	88.09	82.14	79.24	81.68
Char	86.32	85.12	85.71	81.21	78.53	79.84
Glove	88.12	89.34	88.72	84.74	80.57	82.60
ELMo + Char	89.47	90.55	90.00	83.45	81.06	82.23
Char + Glove	90.14	88.42	89.24	83.32	80.64	81.95
ELMo + Glove	91.73	89.51	90.60	84.24	81.32	82.75
ELMo + Glove + Char	94.36	92.13	93.22	85.56	81.45	83.45