Semisupervised Learning Based Disease-Symptom and Symptom-Therapeutic Substance Relation Extraction from Biomedical Literature

Table 6

The results obtained with Co-Training on the symptom-therapeutic substance test set.

Combination	View				AUC
Feature kernel and graph kernel	Feature kernel	78.00	93.98	85.25	88.41
	Graph kernel	71.51	98.80	82.97	86.44
	Combination	77.45	95.18	85.40	89.10
Feature kernel and tree kernel	Feature kernel	78.72	93.57	85.51	88.51
	Tree kernel	67.13	97.59	79.54	81.75
	Combination	77.51	96.79	85.66	88.61
Graph kernel and tree kernel	Graph kernel	74.14	95.58	83.51	87.71
	Tree kernel	67.82	94.78	79.06	80.14
	Combination	71.05	97.59	82.23	86.24