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Table 5 Ratio of the number of infeasible cases between the local approaches and the MILP

From: Service selection in web service compositions optimizing energy consumption and service response time

#series

SRT_Min_First

EC_Min_First

1

1.000

1.392

2

1.000

1.807

3

1.024

1.387

4

1.000

1.435

5

1.000

1.573

6

1.017

1.548

7

1.000

1.402

8

1.000

3.15

9

1.136

1.521

10

1.000

1.788