Research on the Classification of Policy Instruments Based on BERT Model

Table 4

Comparative experimental models.

Model name	Meaning
TF-IDF + SVM	Texts are quantified using TF-IDF and text vectors are input into SVM for classification
TextCNN	Word vectors are randomly initialized and input into TextCNN for classification
LSTM	Word vectors are randomly initialized and input into LSTM for classification
PLM + MLP	The PLM-based classification model proposed in this research