4 Search Results for "Mousavi, Mohammad Reza"


Document
Model Learning for Improved Trustworthiness in Autonomous Systems (Dagstuhl Seminar 23492)

Authors: Ellen Enkel, Nils Jansen, Mohammad Reza Mousavi, and Kristin Yvonne Rozier

Published in: Dagstuhl Reports, Volume 13, Issue 12 (2024)


Abstract
The term of a model has different meanings in different communities, e.g., in psychology, computer science, and human-computer interaction, among others. Well-defined models and specifications are the bottleneck of rigorous analysis techniques in practice: they are often non-existent or outdated. The constructed models capture various aspects of system behaviours, which are inherently heterogeneous in nature in contemporary autonomous systems. Once these models are in place, they can be used to address further challenges concerning autonomous systems, such as validation and verification, transparency and trust, and explanation. The seminar brought together the best experts in a diverse range of disciplines such as artificial intelligence, formal methods, psychology, software and systems engineering, and human-computer interaction as well as others dealing with autonomous systems. The goal was to consolidate these understanding of models in order to address three grand challenges in trustworthiness and trust: (1) understanding and analysing the dynamic relationship of trustworthiness and trust, (2) the understanding of mental modes and trust, and (3) rigorous and model-based measures for trustworthiness and calibrated trust.

Cite as

Ellen Enkel, Nils Jansen, Mohammad Reza Mousavi, and Kristin Yvonne Rozier. Model Learning for Improved Trustworthiness in Autonomous Systems (Dagstuhl Seminar 23492). In Dagstuhl Reports, Volume 13, Issue 12, pp. 24-47, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)


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@Article{enkel_et_al:DagRep.13.12.24,
  author =	{Enkel, Ellen and Jansen, Nils and Mousavi, Mohammad Reza and Rozier, Kristin Yvonne},
  title =	{{Model Learning for Improved Trustworthiness in Autonomous Systems (Dagstuhl Seminar 23492)}},
  pages =	{24--47},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2024},
  volume =	{13},
  number =	{12},
  editor =	{Enkel, Ellen and Jansen, Nils and Mousavi, Mohammad Reza and Rozier, Kristin Yvonne},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.13.12.24},
  URN =		{urn:nbn:de:0030-drops-198543},
  doi =		{10.4230/DagRep.13.12.24},
  annote =	{Keywords: artificial intelligence, automata learning, autonomous systems, cyber-physical systems, formal methods, machine learning, safety, safety-critical systems, self-adaptive systems, software evolution, technology acceptance, trust}
}
Document
Invited Paper
CONCUR Test-Of-Time Award 2020 Announcement (Invited Paper)

Authors: Luca Aceto, Jos Baeten, Patricia Bouyer-Decitre, Holger Hermanns, and Alexandra Silva

Published in: LIPIcs, Volume 171, 31st International Conference on Concurrency Theory (CONCUR 2020)


Abstract
This short article announces the recipients of the CONCUR Test-of-Time Award 2020.

Cite as

Luca Aceto, Jos Baeten, Patricia Bouyer-Decitre, Holger Hermanns, and Alexandra Silva. CONCUR Test-Of-Time Award 2020 Announcement (Invited Paper). In 31st International Conference on Concurrency Theory (CONCUR 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 171, pp. 5:1-5:3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)


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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2020.5,
  author =	{Aceto, Luca and Baeten, Jos and Bouyer-Decitre, Patricia and Hermanns, Holger and Silva, Alexandra},
  title =	{{CONCUR Test-Of-Time Award 2020 Announcement}},
  booktitle =	{31st International Conference on Concurrency Theory (CONCUR 2020)},
  pages =	{5:1--5:3},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-160-3},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{171},
  editor =	{Konnov, Igor and Kov\'{a}cs, Laura},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2020.5},
  URN =		{urn:nbn:de:0030-drops-128172},
  doi =		{10.4230/LIPIcs.CONCUR.2020.5},
  annote =	{Keywords: Concurrency, CONCUR Test-of-Time Award}
}
Document
Track B: Automata, Logic, Semantics, and Theory of Programming
Logical Characterisation of Hybrid Conformance

Authors: Maciej Gazda and Mohammad Reza Mousavi

Published in: LIPIcs, Volume 168, 47th International Colloquium on Automata, Languages, and Programming (ICALP 2020)


Abstract
Logical characterisation of a behavioural equivalence relation precisely specifies the set of formulae that are preserved and reflected by the relation. Such characterisations have been studied extensively for exact semantics on discrete models such as bisimulations for labelled transition systems and Kripke structures, but to a much lesser extent for approximate relations, in particular in the context of hybrid systems. We present what is to our knowledge the first characterisation result for approximate notions of hybrid refinement and hybrid conformance involving tolerance thresholds in both time and value. Since the notion of conformance in this setting is approximate, any characterisation will unavoidably involve a notion of relaxation, denoting how the specification formulae should be relaxed in order to hold for the implementation. We also show that an existing relaxation scheme on Metric Temporal Logic used for preservation results in this setting is not tight enough for providing a characterisation of neither hybrid conformance nor refinement. The characterisation result, while interesting in its own right, paves the way to more applied research, as our notion of hybrid conformance underlies a formal model-based technique for the verification of cyber-physical systems.

Cite as

Maciej Gazda and Mohammad Reza Mousavi. Logical Characterisation of Hybrid Conformance. In 47th International Colloquium on Automata, Languages, and Programming (ICALP 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 168, pp. 130:1-130:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)


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@InProceedings{gazda_et_al:LIPIcs.ICALP.2020.130,
  author =	{Gazda, Maciej and Mousavi, Mohammad Reza},
  title =	{{Logical Characterisation of Hybrid Conformance}},
  booktitle =	{47th International Colloquium on Automata, Languages, and Programming (ICALP 2020)},
  pages =	{130:1--130:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-138-2},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{168},
  editor =	{Czumaj, Artur and Dawar, Anuj and Merelli, Emanuela},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2020.130},
  URN =		{urn:nbn:de:0030-drops-125377},
  doi =		{10.4230/LIPIcs.ICALP.2020.130},
  annote =	{Keywords: Logical Characterisation, Metric Temporal Logic, Conformance, Behavioural Equivalence, Hybrid Systems, Relaxation}
}
Document
Invited Paper
Notions of Conformance Testing for Cyber-Physical Systems: Overview and Roadmap (Invited Paper)

Authors: Narges Khakpour and Mohammad Reza Mousavi

Published in: LIPIcs, Volume 42, 26th International Conference on Concurrency Theory (CONCUR 2015)


Abstract
We review and compare three notions of conformance testing for cyber-physical systems. We begin with a review of their underlying semantic models and present conformance-preserving translations between them. We identify the differences in the underlying semantic models and the various design decisions that lead to these substantially different notions of conformance testing. Learning from this exercise, we reflect upon the challenges in designing an "ideal" notion of conformance for cyber-physical systems and sketch a roadmap of future research in this domain.

Cite as

Narges Khakpour and Mohammad Reza Mousavi. Notions of Conformance Testing for Cyber-Physical Systems: Overview and Roadmap (Invited Paper). In 26th International Conference on Concurrency Theory (CONCUR 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 42, pp. 18-40, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)


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@InProceedings{khakpour_et_al:LIPIcs.CONCUR.2015.18,
  author =	{Khakpour, Narges and Mousavi, Mohammad Reza},
  title =	{{Notions of Conformance Testing for Cyber-Physical Systems: Overview and Roadmap}},
  booktitle =	{26th International Conference on Concurrency Theory (CONCUR 2015)},
  pages =	{18--40},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-91-0},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{42},
  editor =	{Aceto, Luca and de Frutos Escrig, David},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2015.18},
  URN =		{urn:nbn:de:0030-drops-53975},
  doi =		{10.4230/LIPIcs.CONCUR.2015.18},
  annote =	{Keywords: Cyber-physical systems, hybrid systems, conformance testing, model-based testing, behavioral pre-orders, hybrid input-output conformance testing, (tau}
}
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