From: On K-means clustering-based approach for DDBSs design
Sites’ Cluster/Fragment
Sites
Attributes
A2
A4
Total cost (F1)
A1
A3
A5
A6
Total cost (F3)
CS2
S2
98
46
144
81
87
126
107
401
S3
85
25
110
91
79
116
100
366