Table 1.

Performance comparison of different classification models.

Classification model	Precision	Recall	F1
KNN	0.832	0.798	0.827
SVM	0.897	0.875	0.882
NB	0.8333	0.7838	0.8052
LSTM	0.9221	0.8986	0.9147
TF-IDF-COR	0.957	0.949	0.953