On visual formalisms

  • Authors:
  • David Harel

  • Affiliations:
  • The Weizmann Institute of Science, Rehovot, Israel

  • Venue:
  • Communications of the ACM
  • Year:
  • 1988

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Abstract

The higraph, a general kind of diagramming object, forms a visual formalism of topological nature. Higraphs are suited for a wide array of applications to databases, knowledge representation, and, most notably, the behavioral specification of complex concurrent systems using the higraph-based language of statecharts.