Mi-Sook Choi, Jong-Suk Lee, Seo-Jeong Lee, Journal of Information Processing Systems Vol. 9, No. 5, pp. 85-98, Oct. 2008  


Keywords: A Coupling Metric between Classes, Component-based System, Service-oriented System, Dependency Properties between classes, Normalization of Coupling
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Abstract

Recently, service-oriented systems have been issued by their properties of reducing software development time and effort by reusing functional service units. The reusability of services can effectively promote through loose coupling between services and loose coupling between services depends on component-based system. That is, the component-based system is designed by grouping the tightly coupled classes of the object-oriented system and the service-oriented system is designed by the component-based system. Therefore, to design the component-based system and service-oriented system efficiently, a metric to measure the coupling between classes accurately needs. In this paper, we propose a coupling metric between classes applying a structural property, a dynamic property, and the normalized value by 0-1. We prove the theoretical soundness of the proposed metric by the axioms of briand et al, and suggest the accuracy and practicality through a case study. We suggest the evaluation results of the proposed metric through a comparison with the conventional metrics.

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