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Pervasive computing environments (PvCE) are embedded with interconnected smart devices which provide users with services desired. To meet requirements of users, smart devices with different kinds of functions may need to be associated together to provide the service described in the user requirement, which is called service composition. As the service composition environment may be dynamic and large...
Model Driven Development is becoming the trend of embedded software development, UML and Simulink are very important modeling languages. However, UML is a semi-formal modeling language, lacking of accurate semantics, which can't validate correctness of embedded software development. To solve this problem, this paper presents a model transformation method between UML design model and Simulink simulation...
Mixture model comprises a finite or infinite number of different distributional types of components and offers a much wider range of modeling possibilities than its components. In his paper, we present an approach for Bayesian inference of mixture model with Differential Evolution and Markov chain Monte Carlo(MCMC). Bayesian inference on Gaussian mixture model via Gibbs sampling and optimization with...
Based on Lotka-Volterra model, a congener competitive project portfolio selection model with project inter-relationships is built up. To simplify the project portfolio decision-making, an improved decision-making process under LVPPS model is proposed and described specifically through an example. Project portfolio selection and scale decision are included in the same analytical framework.
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