Research Article

A Robust Service Selection Method Based on Uncertain QoS

Table 2

The QoS value of 40 candidate services.

Number

Task 1
1[0.432, 16.523][0.02, 4.629]97.94%
2[0.078, 4.29][0.932, 51.282]98.23%
3[0.084, 13.835][0.433, 71.428]98.53%
4[0.061, 3.317][0.602, 32.786]98.53%
5[0.071, 3.103][0.644, 28.169]98.53%
6[0.015, 6.582][0.455, 200.0]99.71%
7[0.154, 9.626][0.207, 12.987]99.71%
8[0.22, 9.552][11.201, 486.363]99.71%
9[0.115, 3.726][0.536, 17.391]98.53%
10[0.169, 13.237][0.226, 17.751]98.23%

Task 2
11[0.301, 16.648][0.12, 6.644]97.94%
12[0.444, 15.867][0.126, 4.504]94.69%
13[1.541, 16.807][3.093, 33.744]98.82%
14[0.455, 9.651][1.347, 28.571]97.94%
15[0.191, 19.652][0.101, 10.471]74.63%
16[0.116, 15.877][0.06, 17.241]98.23%
17[0.466, 11.27][0.798, 19.313]98.23%
18[0.502, 11.187][0.804, 17.928]97.94%
19[0.284, 10.87][0.275, 10.563]100.00%
20[0.164, 2.149][1.395, 18.292]100.00%

Task 3
21[0.164, 3.594][0.834, 18.292]100.00%
22[0.325, 9.772][0.306, 9.23]100.00%
23[0.162, 3.512][0.854, 18.518]100.00%
24[0.162, 3.816][0.786, 18.518]100.00%
25[0.345, 7.115][0.421, 8.695]100.00%
26[0.17, 2.066][1.452, 17.647]100.00%
27[0.169, 2.173][1.38, 17.751]100.00%
28[0.17, 2.349][1.277, 17.647]100.00%
29[0.379, 14.363][0.208, 7.915]100.00%
30[0.194, 4.32][0.694, 15.463]100.00%

Task 4
31[0.195, 14.418][0.208, 15.384]100.00%
32[0.217, 13.192][0.227, 13.824]98.82%
33[0.2, 3.272][0.916, 15.0]98.82%
34[0.202, 3.61][0.831, 14.851]98.82%
35[0.383, 19.796][0.146, 7.832]99.41%
36[0.216, 5.397][0.555, 13.888]99.71%
37[0.276, 11.531][0.433, 18.115]98.53%
38[0.496, 16.851][0.534, 18.145]100.00%
39[0.422, 15.991][2.814, 106.635]100.00%
40[0.343, 9.15][0.546, 14.577]100.00%