Mi Sook Choi , Eun Sook Cho

The KIPS Transactions:PartD, Vol. 11, No. 3, pp. 625-634, Jun. 2004
10.3745/KIPSTD.2004.11.3.625,   PDF Download:

Abstract

When constructing a component-based system, it is understood that identifying reusable and independent business components is of utmost importance. However, according to conventional component based developing methodologies, most of developers depend on their experience and/or intuition for identification of business components. Furthermore, there are no criteria to evaluate whether the identified business components are more independently defined or not. Therefore, we propose a component identification metrics to apply to component properties in order to complement the difficulties of identifying business components through developers´ experience and/or intuition. The metrics defined are the criteria for identifying the business components and/or for evaluating the identified components. We propose both a cohesion metric, and a coupling metric, to which component properties are applied, wherein those properties can be understood by high cohesion in, and low coupling between, components. Moreover, we propose an independence metric that can evaluate the degree of independence for a particular component by ratio of the cohesion and coupling of components. The metrics that we propose are applied to case study which demonstrates the identification of more independent business components and the validity of our metrics.

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