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Generalised Regular MSC Languages

  • Benedikt Bollig
  • Martin Leucker
  • Thomas Noll
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2303)

Abstract

We establish the concept of regularity for languages consisting of Message Sequence Charts (MSCs). To this aim, we formalise their behaviour by string languages and give a natural de.nition of regularity in terms of an appropriate Nerode right congruence. Moreover, we present a class of accepting automata and establish several decidability and closure properties of MSC languages. We also provide a logical characterisation by a monadic second-order logic interpreted over MSCs. In contrast to existing work on regular MSC languages, our approach is neither restricted to a certain class of MSCs nor tailored to a fixed communication medium (such as a FIFO channel). It explicitly allows MSCs with message overtaking and is thus applicable to a broad range of channel types like mixtures of stacks and FIFOs.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Benedikt Bollig
    • 1
  • Martin Leucker
    • 2
  • Thomas Noll
    • 1
  1. 1.Lehrstuhl für Informatik IIAachen University of Technology (RWTH)Germany
  2. 2.Dept. of Computer and Information ScienceUniversity of PennsylvaniaUSA

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