WSF2: A Novel Framework for Filtering Web Spam

Table 8

Sensitivity, specificity, and AUC values obtained for each classifier executed in our WSF2 platform.

	Ratio	AUC	Sensitivity	Specificity
C5.0	1 : 17	0.562	14.2	98.4
	1 : 8	0.649	50.4	79.5
	1 : 4	0.651	66.4	65.9
	1 : 2	0.648	77.0	52.7
	1 : 1	0.573	82.3	32.4
SVM	1 : 17	0.534	7.1	99.7
	1 : 8	0.590	26.5	91.6
	1 : 4	0.602	29.2	91.2
	1 : 2	0.604	30.1	90.8
	1 : 1	0.624	34.5	90.3
C5.0 + SVM	1 : 17	0.579	17.7	98.1
	1 : 8	0.658	52.2	79.4
	1 : 4	0.713	63.7	72.9
	1 : 2	0.684	77.0	52.7
	1 : 1	0.646	34.5	90.2
C5.0 + SVM + REGEX	1 : 17	0.673	44.2	87.7
	1 : 8	0.768	78.8	69.8
	1 : 4	0.798	75.3	71.8
	1 : 2	0.759	54.9	85.7
	1 : 1	0.736	62.8	82.3