Graph Transformations

Volume 6372 of the series Lecture Notes in Computer Science pp 266-281

Graph Transformation for Domain-Specific Discrete Event Time Simulation

  • Juan de LaraAffiliated withUniversidad Autónoma de Madrid
  • , Esther GuerraAffiliated withUniversidad Carlos III de Madrid
  • , Artur BoronatAffiliated withUniversity of Leicester
  • , Reiko HeckelAffiliated withUniversity of Leicester
  • , Paolo TorriniAffiliated withUniversity of Leicester

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Graph transformation is being increasingly used to express the semantics of domain specific visual languages since its graphical nature makes rules intuitive. However, many application domains require an explicit handling of time in order to represent accurately the behaviour of the real system and to obtain useful simulation metrics.

Inspired by the vast knowledge and experience accumulated by the discrete event simulation community, we propose a novel way of adding explicit time to graph transformation rules. In particular, we take the event scheduling discrete simulation world view and incorporate to the rules the ability of scheduling the occurrence of other rules in the future. Hence, our work combines standard, efficient techniques for discrete event simulation (based on the handling of a future event set) and the intuitive, visual nature of graph transformation. Moreover, we show how our formalism can be used to give semantics to other timed approaches.