pSum-SaDE: A Modified p-Median Problem and Self-Adaptive Differential Evolution Algorithm for Text Summarization

Table 2

Comparison pSum-SaDE with other methods.

Methods	Improvement of the method pSum-SaDE, %
	ROUGE-1	ROUGE-2	ROUGE-SU4
LEX	9.58	8.87	9.87
TMR + TF	8.69	8.87	5.85
HybHSum	2.70	9.23	5.43
PLSA-JS	2.03	2.47	2.25
iRANK	9.52	8.99	9.79
HierSum	10.12	15.58	11.33
SVR	9.91	7.34	7.21
Average	7.51	8.77	7.39