Table 1.

The QoS indices values of each service in the numerical example.

QoS Indices	cs1		cs2		cs3		cs4
	s1,1	s1,2	s2,1	s2,2	s3,1	s3,2	s4,1
Reliability	0.98	0.96	0.99	0.97	0.95	0.97	0.98
Cost	5	15	10	20	18	6	20
Security	0.95	0.90	0.85	0.90	0.95	0.85	0.90
Execution Time	16	25	30	25	40	35	20
Credibility	0.90	0.85	0.80	0.95	0.95	0.80	0.95