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Technology of Object-Oriented Languages and Systems
Constraint Diagrams: A Step Beyond UML
Santa Barbara, California
August 01-August 05
ISBN: 0-7695-0278-4
John Howse, University of Brighton
Stuart Kent, University of Kent
The Unified Modeling Language (UML) is a set of notations for modelling object-oriented systems. It has become the de facto standard. Most of its notations are diagrammatic. An exception to this is the Object Constraint Language (OCL) which is essentially a textual, stylised form of first order predicate logic. We describe a notation, constraint diagrams, which were introduced as a visual technique intended to be used in conjunction with the UML for object-oriented modelling. Constraint diagrams provide a diagrammatic notation for expressing constraints (e.g., invariants) that could only be expressed in UML using OCL.
Index Terms:
Modelling, visual formalism, object-oriented software development, formal methods
Citation:
Joseph (Yossi) Gil, John Howse, Stuart Kent, "Constraint Diagrams: A Step Beyond UML," tools, pp.453, Technology of Object-Oriented Languages and Systems, 1999
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