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Process Ordering in a Process Calculus for Spatially-Explicit Ecological Models

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Software Engineering and Formal Methods (SEFM 2013)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 8368))

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Abstract

In this paper we extend palps, a process calculus proposed for the spatially-explicit individual-based modeling of ecological systems, with the notion of a policy. A policy is an entity for specifying orderings between the different activities within a system. It is defined externally to a palps model as a partial order which prescribes the precedence order between the activities of the individuals of which the model is comprised. The motivation for introducing policies is twofold: one the one hand, policies can help to reduce the state-space of a model; on the other hand, they are useful for exploring the behavior of an ecosystem under different assumptions on the ordering of events within the system. To take account of policies, we refine the semantics of palps via a transition relation which prunes away executions that do not respect the defined policy. Furthermore, we propose a translation of palps into the probabilistic model checker prism. We illustrate our framework by applying prism on palps models with policies for conducting simulation and reachability analysis.

This work was carried out during the tenure by the second author of an ERCIM “Alain Bensoussan” Fellowship Programme. The research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no 246016.

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Authors and Affiliations

  1. Department of Computer Science, University of Cyprus, Nicosia, Cyprus

    Anna Philippou & Mauricio Toro

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  1. Anna Philippou
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  2. Mauricio Toro
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Correspondence to Mauricio Toro .

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Editors and Affiliations

  1. Brunel University, Uxbridge, Middlesex, United Kingdom

    Steve Counsell

  2. Universidad Complutense de Madrid, Madrid, Spain

    Manuel Núñez

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Philippou, A., Toro, M. (2014). Process Ordering in a Process Calculus for Spatially-Explicit Ecological Models. In: Counsell, S., Núñez, M. (eds) Software Engineering and Formal Methods. SEFM 2013. Lecture Notes in Computer Science(), vol 8368. Springer, Cham. https://doi.org/10.1007/978-3-319-05032-4_25

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  • DOI: https://doi.org/10.1007/978-3-319-05032-4_25

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  • Online ISBN: 978-3-319-05032-4

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