Improving the Quality of Systems and Domain Analysis through Object Class Congruency

Authors:
Stephen W. Clyde;David W. Embley;Scott N. Woodfield
Affiliations:
-;-;-
Venue:
ECBS '96 Proceedings of the IEEE Symposium and Workshop on Engineering of Computer Based Systems
Year:
1996

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ADC '04 Proceedings of the 15th Australasian database conference - Volume 27
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Abstract

A new concept for assessing the quality of object classes in analysis models, called object-class congruency, is formally defined and discussed. Object-class congruency is based on the idea that immediate and inherited properties defined for an object class should match the common properties of the class's members. A semantic model with a formal definition is used to formalize these concepts. In addition to defining object-class congruency, two semantic-preserving transformations that convert incongruent classes into congruent classes are given. It is also explained why object-class congruency leads to better abstraction of real-world concepts and to better implementation, extension, and reuse.