Drug-Drug Interaction Extraction via Convolutional Neural Networks

Table 3

Performance of the CNN-based DDI extraction systems (%).

Systems	Baseline			Baseline + position embeddings			Baseline + negative instance filtering			Our system
	Mechanism	81.22	52.98	64.13	79.65	59.60	68.18	71.76	62.25	66.67	79.50	62.91	70.24
Effect	65.38	61.39	63.32	67.44	64.44	65.91	63.10	65.56	64.31	68.66	70.00	69.33
Advice	86.90	66.06	75.06	84.97	66.52	74.62	79.06	68.33	73.30	84.57	71.95	77.75
Int	84.21	33.33	47.76	76.19	33.33	46.38	72.73	33.33	45.71	76.19	33.33	46.38
DrugBank	76.13	59.16	66.58	76.70	62.56	68.91	70.58	63.24	66.71	77.02	66.74	71.52
MEDLINE	66.67	37.89	48.32	59.38	40.00	47.80	60.76	50.53	55.17	61.43	45.26	52.12
Overall	75.44	57.10	65.00	75.29	60.37	67.01	69.69	62.00	65.62	75.72	64.66	69.75