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ACCEPTED BY THE GRADUATE COLLEGE iii ABSTRACT Simulation modeling offers important and unique capabilities for analysis and design of service-oriented computing systems that must satisfy multiple, competing Qualities of Service (QoS) requirements. In order to aid design of service-based software systems (SBS), it is important to employ a suitable modeling(More)
Hybrid agent-landscape models are used as an environment in which to study humans, the environment, and their dynamics. To provide flexibility in model design, expressiveness, and modification, the environment models and human agent models should be developed independently. While retaining each model's individuality, the models can be composed to create a(More)
Many important scientific and engineering problems are studied using Cellular Automata (CA) models. Mathematical formulae with component-based modeling concepts are used to specify CA models. Computer simulation tools support viewing the dynamics of CA simulation models. Existing approaches with their tools are restrictive from visual model development(More)
Many important scientific and engineering problems are studied using Cellular Automata (CA) models. Mathematical formu-lae with component-based modeling concepts are used to specify CA models. Computer simulation tools support viewing the dynamics of CA simulation models. Existing approaches with their tools are restrictive from visual model development(More)
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