Entropy-Driven Global Best Selection in Particle Swarm Optimization for Many-Objective Software Package Restructuring

Table 3

Difference [rank] values of each variant in terms of the hypervolume.

Problems	EMPSO	GMPSO	FMPSO	IMPSO	DMPSO	BMPSO	SMPSO	AMPSO	WMPSO
JUnit	+6[2]	+4[3]	+2[4]	+8[1]	+0[5]	−4[6]	−4[6]	−8[9]	−4[6]
DOM 4J	+8[1]	+1[2]	+1[2]	+1[2]	−1[5]	−1[5]	−4[8]	−1[5]	−4[8]
JHotDraw	+7[1]	+7[1]	+3[4]	+4[3]	+0[5]	−6[8]	−2[6]	−4[7]	−8[9]
JDI-Ford	+6[2]	+6[2]	+8[1]	+2[4]	+4[3]	−1[5]	−6[8]	−8[9]	−4[7]
Xerces-J	+7[1]	+7[1]	+3[4]	+4[3]	−4[7]	+0[5]	−2[6]	−6[8]	−8[9]