A Subjective Expressions Extracting Method for Social Opinion Mining

Table 4

Measurement of DSE recognition model under different feature combinations.

Feature combination	Binary Overlap			Proportional Overlap
	Accuracy (%)	Recall (%)	F value (%)	Accuracy (%)	Recall (%)	F value (%)
+Pretrained word vectors	79.84	62.19	69.88	74.81	56.48	64.32
+Fine-tuning word vectors	75.61	65.67	70.24	70.62	59.21	64.35
+Fine-tuning word vectors + POS	74.64	67.67	70.94	69.54	61.32	65.10
+Fine-tuning word vectors + NER	74.65	67.50	70.85	69.52	61.12	65.00
+Fine-tuning word vectors + POS + NER	75.09	67.17	70.85	70.01	61.04	65.13