A Novel Approach of Feature Space Reconstruction with Three-Way Decisions for Long-Tailed Text Classification

Table 3

The performance results of 3WD models and baseline methods for feature selection.

Method	Accuracy	Macroprecision	Macrorecall	Macro-F1 score
Word frequency	0.56	0.487	0.518	0.51
Chi2	0.70	0.577	0.591	0.58
TF-IDF	0.79	0.638	0.627	0.631
3WD (our paper)	0.87	0.697	0.637	0.656