Table 11.

Performance comparison between the proposed methods.

Method Class	Method	Precision	Recall	F1-Score
Linear methods	UTurku [16]	0.732	0.499	0.594
	UWM [36]	0.439	0.505	0.47
	Kim [37]	-	-	0.67
Kernel methods	Nil [38]	0.535	0.501	0.517
	WBI [39]	0.642	0.579	0.609
	FBK-irst [17]	-	-	0.67
RNN Methods	Liu et al. [6]	0.757	0.647	0.698
	Quan et al. [18]	0.76	0.653	0.702
	Park et al. [20]	0.6895	0.7477	0.7174
	Zhang et al. [34]	0.741	0.718	0.729
	Wuti et al. [40]	0.801	0.740	0.770
This work	Proposed Model No. 1	0.7359	0.7405	0.7382
	Proposed Model No. 2	0.837	0.85	0.8438