Sentiment Classification Algorithm Based on the Cascade of BERT Model and Adaptive Sentiment Dictionary

Table 2

Chnsenticorp data set.

Data set	Sentiment category	Positive sentiment corpus	Negative sentiment corpus
Chnsenticorp	2	4798	4802
Chnsenticorp2000	2	996	1004
Chnsenticorp4000	2	2009	1991
Chnsenticorp6000	2	2986	3014
Chnsenticorp validation set	2	590	610
Chnsenticorp test set	2	602	598