CHR^vis: Syntax and Semantics

Authors Nada Sharaf, Slim Abdennadher, Thom Frühwirth



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Author Details

Nada Sharaf
  • The German University in Cairo, Egypt
Slim Abdennadher
  • The German University in Cairo, Egypt
Thom Frühwirth
  • Ulm University, Germany

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Nada Sharaf, Slim Abdennadher, and Thom Frühwirth. CHR^vis: Syntax and Semantics. In Technical Communications of the 34th International Conference on Logic Programming (ICLP 2018). Open Access Series in Informatics (OASIcs), Volume 64, pp. 5:1-5:20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)
https://doi.org/10.4230/OASIcs.ICLP.2018.5

Abstract

The work in the paper presents an animation extension (CHR^{vis}) to Constraint Handling Rules (CHR). Visualizations have always helped programmers understand data and debug programs. A picture is worth a thousand words. It can help identify where a problem is or show how something works. It can even illustrate a relation that was not clear otherwise. CHR^{vis} aims at embedding animation and visualization features into CHR programs. It thus enables users, while executing programs, to have such executions animated. The paper aims at providing the operational semantics for CHR^{vis}. The correctness of CHR^{vis} programs is also discussed.

Subject Classification

ACM Subject Classification
  • Human-centered computing → Visualization systems and tools
Keywords
  • Constraint Handling Rules
  • Visualization
  • Animation

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References

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