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Rule-based refinement of high-level nets preserving safety properties

  • J. Padberg
  • M. Gajewsky
  • C. Ermel
Contributed Papers
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1382)

Abstract

The concept of rule-based modification developed in the area of algebraic graph transformations and high-level replacement systems has recently shown to be a powerful concept for vertical stucturing of Petri nets. This includes low-level and high-level Petri nets, especially algebraic high-level nets which can be considered as an integration of algebraic specifications and Petri nets. In a large case study rule-based modification of algebraic high-level nets has been applied successfully for the requirements analysis of a medical information system. The main new result in this paper extends rule-based modification of algebraic highlevel nets such that it preserves safety properties formulated in terms of temporal logic. For software development based on rule-based modification of algebraic high-level nets as a vertical development strategy this extension is an important new technique. It is called rule-based refinement. As a running example an important safety property of a medical information system is considered and is shown to be preserved under rule-based refinement.

Keywords

Petri nets high-level nets algebraic specification safety property rule-based refinement 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • J. Padberg
    • 1
  • M. Gajewsky
    • 1
  • C. Ermel
    • 1
  1. 1.Technical University of BerlinGermany

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