Abstract：In business service networks, service composition often involves cooperation. A service composition model was developed that includes the effects of collaboration to facilitate selection of the service composition method with collaboration. This model describes the service flow as the main logic and expands the definition of the support impact factor for various types of supporting services. Service composition structure correlation indexes are used to optimize the selection approach based on the users' preferences and to predict the supporting services' utility, which gives a more comprehensive assessment of the service delivery effect. A numerical example shows the effectiveness of this model.
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