Table 4.

The comparation of results based on machine learning model and string pattern search method.

	ML							SP
	LR	RF	Multinomial NB	MLP	KNN	SVM	XGBoost	Group 1	Group 2
Accuracy	0.9589	0.9500	0.9329	0.9416	0.8716	0.9504	0.9591	0.8378	0.6495

ML, machine learning; SP, String Pattern; LR, logistic regression; RF, random forest; NB , naive Bayes; MLP, multi-layer perceptron; KNN, k-nearest neighbor; SVM, support vector machine; XGBoost, extreme gradient boosting.