Research Article

Adaptive Black Hole Algorithm for Solving the Set Covering Problem

Table 2

Instances from Beasley’s OR-Library.

Instance group Cost range Density ()

4 200 10001,100] 2

5 200 20001,100] 2

6 200 10001,100] 5

A 300 30001,100] 2

B 300 30001,100] 5

C 400 40001,100] 2

D 400 40001,100] 5

E 500 50001,100] 10

F 500 50001,100] 20

G 1000 100001,100] 2

H 1000 100001,100] 5