Constraint Diagrams: A Step Beyond UML

Gil, Joseph and Howse, John and Kent, Stuart (1999) Constraint Diagrams: A Step Beyond UML. In: Technology of Object-Oriented Languages and Systems (TOOLS USA'99), August 01-05, 1999, Santa Barbara, California , USA. (doi: (Full text available)

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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.

Item Type: Conference or workshop item (Paper)
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Faculties > Sciences > School of Computing > Systems Architecture Group
Depositing User: Mark Wheadon
Date Deposited: 04 Sep 2009 17:12 UTC
Last Modified: 20 Jun 2014 11:46 UTC
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