Two visualizations of OCL: a comparison

Andrew Fish, John Howse, Gabriele Taentzer, Jessica Winkelmann

Research output: Other contribution


We compare two visualizations of OCL, VisualOCL and Constraint Diagrams, and establish some of their benefits and weaknesses. These two notations were designed to fit in to the diagrammatic modelling paradigm. We introduce a simple case study, with constraints written in both natural language and OCL, and visualize these constraints using VisualOCL and Constraint Diagrams. Using a set of criteria which is based on cognitive, syntactic and semantic questions, we compare the notations, with reference to the sample constraints.
Original languageEnglish
PublisherUniversity of Brighton
Number of pages15
Place of PublicationBrighton, UK
Publication statusPublished - 1 Jan 2005

Bibliographical note

© 2005 University of Brighton. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright holder.


  • Visual Formalisms
  • Constraint Languages
  • Diagrammatic Representations.


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