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Coupling metrics for ontology-based system

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3 Author(s)
Orme, A.M. ; Comput. Sci. Dept., Alabama Univ., Huntsville, AL, USA ; Tao, H. ; Etzkorn, L.H.

Measuring system coupling is a commonly accepted software engineering practice associated with producing high-quality software products. Coupling metrics traditionally measure data passed across a module interface to determine couplings between modules in a given system. XML has become common in Internet-based application domains such as business-to-business and business-to-consumer applications, and has formed a basis for service-oriented architectures such as Web services and the Semantic Web. We therefore need new coupling metrics that address these systems' unique requirements. We propose a set of coupling metrics for ontology-based systems represented in OWL: the number of external classes (NEC), reference to external classes (REC), and referenced includes (RI). To collect these metrics, we use a standard XML-based parser. This research reflects a new type of coupling measurement for system development that defines coupling metrics based on ontology data and its structure.

Published in:

Software, IEEE  (Volume:23 ,  Issue: 2 )