F-score with the variation of hyperparameter <i>γ</i>.

F-score with the variation of hyperparameter γ.</p

NLPCC-ICCPOL-2016 stance dataset.

NLPCC-ICCPOL-2016 stance dataset.</p

The EDA result of Climate Change is Concern.

The EDA result of Climate Change is Concern.</p

The transformer structure used in PLM.

The transformer structure used in PLM.</p

The SemEval-2016 stance dataset.

The SemEval-2016 stance dataset.</p

The structure of BERTtoCNN model.

The structure of BERTtoCNN model.</p

Classic knowledge distillation approach.

Classic knowledge distillation approach.</p

The comparison of EDA data and original data on the model.

Within, we set n_aug = 1 represents the result of the original data without EDA on the model.</p

Text-CNN as the student model.

Text-CNN as the student model.</p

The performance of BERTtoCNN compared with the baseline methods.

The performance of BERTtoCNN compared with the baseline methods.</p