A Novel Threat Intelligence Information Extraction System Combining Multiple Models

Table 3

The performance of the relation extraction task.

Model	Precision	Recall	F1
GAIN [24]	50.43	46.92	48.61
ATLOP [28]	51.09	48.55	49.79
DRE (our model)	79.61	48.59	60.35
No POS	67.48	44.58	53.69
No width	62.81	45.78	52.96
No type	68.31	44.71	54.05
No distance	62.24	48.99	54.83