Table 9. Feature extraction performance - precision, recall and F-Measure comparison between baseline studies and this study by dataset.

Dataset	Tubishat, Idris & Abushariah (2021)			This study
	Precision	Recall	F-Measure	Precision	Recall	F-Measure
D1	0.91	0.93	0.92	0.94	0.91	0.92
D2	0.91	0.92	0.91	0.92	0.91	0.92
D3	0.93	0.93	0.93	0.94	0.91	0.92
D4	0.93	0.95	0.94	0.91	0.88	0.90
D5	0.92	0.91	0.91	0.82	0.80	0.81
Avg	0.92	0.93	0.92	0.91	0.88	0.89

Notes.

Bolded values indicate the results obtained for this study.