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Table 2 Counter-example on the optimality of local optimization

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

(a) Costs on u

SRT

EC

Penalty

Concrete operation

5

12

11.3

u 1

8

11.8

11.42

u 2

(b) Costs on v

SRT

EC

Penalty

Concrete operation

8

12.6

12.14

v 1

9

12.7

12.33

v 2