NDLI: The effect of coupling on understanding and modifying ocl expressions: an experimental analysis.

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The effect of coupling on understanding and modifying ocl expressions: an experimental analysis.

Content Provider	CiteSeerX
Author	Reynoso, Luis Genero, Marcela Piattini, Mario Manso, Esperanza
Abstract	Not all the model constraints can be defined using only UML graphical features due to the limited expressiveness of diagram-based UML notation. To solve this problem, the OCL language was defined as a textual add-on to the UML diagrams, allowing the specification of a wide range of constraints of objects. Aware of the lack of metrics to capture the quality aspects of UML/OCL models and the importance of models in recent initiatives of model-Driven software engineering (such as Model-Driven Development and Model-Driven Architecture), we define a set of metrics for measuring the structural properties of OCL constraints in UML/OCL models. Many of these metrics are defined in terms of navigations, a core concept of OCL that defines coupling between objects. This paper carefully describes a family of experiments we have conducted to ascertain whether any relationship exists between object coupling (defined through metrics related to navigations and collection operations) and two maintainability subcharacteristics: understandability and modifiability of OCL expressions. Empirical evidence that such a relationship exists is shown in the obtained results, however they must be considered as preliminaries results. Further validation is needed to strengthen the conclusions and external validity. 1.
File Format	PDF
Access Restriction	Open
Subject Keyword	Experimental Analysis Modifying Ocl Expression Uml Ocl Model Model-driven Software Engineering Ocl Constraint Obtained Result Diagram-based Uml Notation Preliminary Result Model-driven Architecture Object Coupling Recent Initiative Model-driven Development Quality Aspect Model Constraint Core Concept Limited Expressiveness External Validity Ocl Language Wide Range Maintainability Subcharacteristics Uml Diagram Structural Property Uml Graphical Feature Collection Operation Empirical Evidence Ocl Expression Textual Add-on
Content Type	Text
Resource Type	Article

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