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

Table 6

Median values, 95% CI, and standard error of ROUGE scores over 20 consecutive runs of methods.

Methods	ROUGE-1			ROUGE-2			ROUGE-SU4
	Median	95% CI	Stdr.	Median	95% CI	Stdr.	Median	95% CI	Stdr.
pSum-SaDE	0.4422	[0.4417, 0.4426]	2.2𝑒 – 4	0.0992	[0.0990, 0.0994]	7.8𝑒 − 5	0.1596	[0.1591, 0.1598]	1.7𝑒 − 4
pSum-DE	0.4387	[0.4383, 0.4394]	2.5𝑒 – 4	0.0974	[0.0971, 0.0976]	1.1𝑒 − 4	0.1570	[0.1564, 0.1575]	2.6𝑒 − 4
LEX	0.4040	[0.4022, 0.4057]	8.3𝑒 – 4	0.0915	[0.0910, 0.0919]	2.3𝑒 − 4	0.1457	[0.1448, 0.1465]	4.1𝑒 − 4
TMR + TF	0.4059	[0.4048, 0.4067]	4.4𝑒 – 4	0.0921	[0.0911, 0.0922]	2.7𝑒 − 4	0.1515	[0.1508, 0.1520]	3.0𝑒 − 4
HybHSum	0.4306	[0.4299, 0.4310]	2.6𝑒 – 4	0.0916	[0.0908, 0.0916]	2.1𝑒 − 4	0.1514	[0.1508, 0.1518]	2.6𝑒 − 4
PLSA-JS	0.4330	[0.4327, 0.4341]	3.2𝑒 – 4	0.0975	[0.0970, 0.0981]	2.6𝑒 − 4	0.1557	[0.1549, 0.1565]	4.0𝑒 − 4
iRANK	0.4019	[0.4014, 0.4046]	7.8𝑒 – 4	0.0915	[0.0912, 0.0920]	2.0𝑒 − 4	0.1447	[0.1446, 0.1458]	2.9𝑒 − 4
HierSum	0.4016	[0.4006, 0.4023]	4.2𝑒 – 4	0.0889	[0.0877, 0.0894]	4.1𝑒 − 4	0.1441	[0.1427, 0.1442]	3.5𝑒 − 4
SVR	0.4024	[0.4008, 0.4030]	5.1𝑒 – 4	0.0922	[0.0915, 0.0941]	6.1𝑒 − 4	0.1491	[0.1483, 0.1497]	3.4𝑒 − 4