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Appears in Collections:Computing Science and Mathematics Journal Articles
Peer Review Status: Refereed
Title: Scalable context-dependent analysis of emergency egress models
Author(s): Massink, Mieke
Latella, Diego
Bracciali, Andrea
Harrison, Michael D
Hillston, Jane
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Keywords: collective behaviour
stochastic process algebra
fluid flow
context dependency
Linear and multilinear algebra
matrix theory
Partial differential equations
Induction (Mathematics)
Issue Date: 2012
Date Deposited: 21-Nov-2011
Citation: Massink M, Latella D, Bracciali A, Harrison MD & Hillston J (2012) Scalable context-dependent analysis of emergency egress models. Formal Aspects of Computing, 24 (2), pp. 267-302.
Abstract: Pervasive environments offer an increasing number of services to a large number of people moving within these environments, including timely information about where to go and when, and contextual information about the surrounding environment. This information may be conveyed to people through public displays or direct to a person's mobile phone. People using these services interact with the system but they are also meeting other people and performing other activities as relevant opportunities arise. The design of such systems and the analysis of collective dynamic behaviour of people within them is a challenging problem. We present results on a novel usage of a scalable analysis technique in this context. We show the validity of an approach based on stochastic process-algebraic models by focussing on a representative example, i.e. emergency egress. The chosen case study has the advantage that detailed data is available from studies employing alternative analysis methods, making cross-methodology comparison possible. We also illustrate how realistic, context-dependent human behaviour, often observed in emergency egress, can naturally be embedded in the models, and how the effect of such behaviour on evacuation can be analysed in an efficient and scalable way. The proposed approach encompasses both the agent modelling viewpoint, as system behaviour emerges from specific (discrete) agent interaction, and the population viewpoint, when classes of homogeneous individuals are considered for a (continuous)approximation of overall system behaviour.
DOI Link: 10.1007/s00165-011-0188-1
Rights: Published in Formal Aspects of Computing by Springer Verlag. The original publication is available at

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