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Quantitative properties of featured automata

  • Foundations for Mastering Change
  • Quantitative Variability Modelling and Analysis
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Abstract

A featured transition system is a transition system in which the transitions are annotated with feature expressions: Boolean expressions on a finite number of given features. Depending on its feature expression, each individual transition can be enabled when some features are present, and disabled for other sets of features. The behavior of a featured transition system hence depends on a given set of features. There are algorithms for featured transition systems which can check their properties for all sets of features at once, for example for LTL or CTL properties. Here we introduce a model of featured weighted automata which combines featured transition systems and (semiring-) weighted automata. We show that methods and techniques from weighted automata extend to featured weighted automata and devise algorithms to compute quantitative properties of featured weighted automata for all sets of features at once. We show applications to minimum reachability and to energy properties.

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Authors and Affiliations

  1. École polytechnique, Palaiseau, France

    Uli Fahrenberg

  2. Université catholique de Louvain, Louvain-la-Neuve, Belgium

    Axel Legay

  3. Aalborg University, Aalborg, Denmark

    Axel Legay

Authors
  1. Uli Fahrenberg
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  2. Axel Legay
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Correspondence to Uli Fahrenberg.

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Fahrenberg, U., Legay, A. Quantitative properties of featured automata. Int J Softw Tools Technol Transfer 21, 667–677 (2019). https://doi.org/10.1007/s10009-019-00538-y

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  • DOI: https://doi.org/10.1007/s10009-019-00538-y

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