Ptr4BERT: Automatic Semisupervised Chinese Government Message Text Classification Method Based on Transformer-Based Pointer Generator Network

Table 2

Performance comparison of different methods.

Method	HNMes			QDMes
	P	R	F1	P	R	F1
Logistic regression	72.11	71.70	71.91	68.69	68.15	68.41
Naïve Bayes	81.42	79.46	80.43	77.95	78.86	78.40
SVM	84.67	82.19	83.41	86.54	84.39	85.45
TextRNN	90.02	90.06	90.04	89.53	88.82	89.17
TextCNN	90.32	89.27	89.79	88.07	88.81	88.93
TextRCNN	90.14	90.07	90.10	89.26	89.19	89.22
BERT	93.87	93.14	93.50	92.18	91.62	91.89
ERNIE	93.52	92.71	93.11	92.76	92.01	92.38
Ptr4BERT (ours)	94.39	94.38	94.39	93.36	93.39	93.37