Mutation-Based Harmony Search Algorithm for Hybrid Testing of Web Service Composition

Table 9

Average of fitness value and average time for the four algorithms.

Task	Candidate services	MBHS		DPSO		GA		PBSA
		Fitness	Time (s)	Fitness	Time (s)	Fitness	Time (s)	Fitness	Time (s)
20	20	0.861	2.126	2.271	2.447	1.401	2.388	2.036	5.306
	60	0.343	7.672	1.495	14.776	0.677	12.220	1.463	18.829
	100	0.216	10.893	1.450	29.406	0.420	23.134	1.417	42.251
40	20	2.034	7.346	3.496	15.218	2.631	12.662	3.325	18.604
	60	0.731	12.367	2.718	30.210	1.404	25.386	2.544	44.988
	100	0.566	15.010	2.588	38.206	1.203	34.096	2.266	56.875