Delta-DAGMM: A Free Rider Attack Detection Model in Horizontal Federated Learning

Table 5

Precision of different Free-rider attack detection methods.

Method	Type	Precision (%)
		Simple attack(i)	Simple attack(ii)	Simple attack(iii)	Optimized attack(i)	Optimized attack(ii)
Delta-DAGMM	Single time	98.3	95.5	100	83.4	83.3
	Overall	100	99.7	100	96.2	96.2
DAGMM	Single time	95.7	94.6	62.4	53.6	52.7
	Overall	99.6	99.3	77.2	69.1	67.7
DAGMM(ST)	Single time	97.2	95.4	100	64.3	65.1
	Overall	99.8	99.6	100	80.1	81.3