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Formal Methods for the Design of Real-Time Systems

SFM-RT 2004: Formal Methods for the Design of Real-Time Systems pp 98–131Cite as

Expressiveness of Timed Events and Timed Languages

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Part of the Lecture Notes in Computer Science book series (LNCS,volume 3185)

Abstract

Timed process algebras are useful tools for the specification and verification of real-time systems. We study the expressiveness of (classes of) these algebras which deal with temporal aspects of concurrent systems by following very different interpretations: durational actions versus durationless actions, absolute time versus relative time, timed functional behavior versus time and functional behavior, local clocks versus global clocks, eagerness versus laziness versus maximal progress.

The aim of this study is manifold. It permits to gain confidence on how time and time passing are modelled in the different approaches to timed process algebras. It shows that some different design decisions are not irreconcilable by presenting simple semantic-preserving mappings from an algebra to another so that techniques and analytic concepts can be transferred from one theory to the other. It allows a better understanding of the technical details and of the definitions in the different approaches in order to speculatively detect advantages/disadvantages of the used methodologies.

Keywords

  • Basic Action
  • Operational Semantic
  • Parallel Composition
  • Visible Action
  • Label Transition System

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

This work was supported by the Center of Excellence for Research ‘DEWS: Architectures and Design Methodologies for Embedded Controllers, Wireless Interconnect and System-on-chip’ and by the MURST project ‘Sahara: Software Architectures for Heterogeneous Access Networks infrastructures’.

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Authors and Affiliations

  1. Dipartimento di Matematica e Informatica, Università di Camerino, Camerino, 62032, Italy

    Diletta R. Cacciagrano & Flavio Corradini

Authors
  1. Diletta R. Cacciagrano
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  2. Flavio Corradini
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Editors and Affiliations

  1. Istituto di Scienze e Tecnologie dell’Informazione, Università di Urbino “Carlo Bo”, Italy

    Marco Bernardo

  2. Dipartimento di Matematica ed Informatica, University of Camerino, Via Madonna delle Carceri 9, 62032, Camerino, Italy

    Flavio Corradini

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Cacciagrano, D.R., Corradini, F. (2004). Expressiveness of Timed Events and Timed Languages. In: Bernardo, M., Corradini, F. (eds) Formal Methods for the Design of Real-Time Systems. SFM-RT 2004. Lecture Notes in Computer Science, vol 3185. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30080-9_4

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  • DOI: https://doi.org/10.1007/978-3-540-30080-9_4

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