Table 8.

F1-score values of the SVM algorithm obtained with different parameters.

		Linear	Poly-2	Poly-3	Poly-4	Poly-5	Poly-6	RBF	Sigmoid
All	TF-IDF	0.86	0.87	0.83	0.75	0.63	0.54	0.87	0.86
	W2v	0.79	0.81	0.82	0.82	0.82	0.81	0.81	0.7
Topic-1	TF-IDF	0.89	0.83	0.75	0.61	0.42	0.44	0.87	0.89
	W2v	0.84	0.82	0.83	0.83	0.82	0.82	0.83	0.8
Topic-2	TF-IDF	0.82	0.82	0.79	0.7	0.61	0.55	0.83	0.8
	W2v	0.78	0.77	0.77	0.77	0.76	0.74	0.77	0.75
Topic-3	TF-IDF	0.86	0.84	0.78	0.66	0.54	0.44	0.86	0.86
	W2v	0.87	0.86	0.86	0.85	0.85	0.84	0.85	0.8