Browsing by Author "Mistry, Avinaba"
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Item Dynamic contagion spread modelling over emergent spatio-temporal contact networks(University of New Brunswick, 2022-12) Mistry, Avinaba; Ray, Suprio; Seahra, SanjeevAnalysis, prediction and decision support for contagion spread and its associated risk with Ordinary Differential Equation models proved to be challenging in terms of incorporating the underlying heterogeneity of emergent spatio-temporal contact networks of the moving objects. These models reduce the granularity and scope of analysis of possible pharmacological and non-pharmacological intervention measures. To address these limitations, we propose to aggregate population level dynamics by modelling individual-level interactions. To that end, first we introduce an individual level agent-based stochastic contagion simulation modelling framework as a possible solution for adapting to rapidly changing parameters of a contagion including SARS-CoV-2. Second, we propose a spatio-temporal index to extract contact networks from distributed real-world mobility data stores. The framework has been implemented declaratively in R and functionally in Julia and the spatio-temporal index in Python. We conduct thorough experimental evaluation to show the viability and applicability of the proposed approaches.