¹College of Computer Science, Hangzhou Dianzi University
²Zhejiang University College of Computer Science

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Abstract—In ubiquitous computing environments, the software component model with semantic information and behavior adaptation to satisfy various resources constraints and component interdependence is needed. It is an important issue to analyze the behavioral equivalence of components when studying the dynamic replacement and recombination of them. However it is difficult to check the equivalence of behaviors rapidly and precisely. In order to improve the precision of judging, and guarantee the normality and stability of system after replacing and recombining components for adaptation in system, the paper uses and extends the theories of equivalence analysis in ¼ calculus, then puts forward some formalizations. After that we make some examples in detail to model the behaviors of components based on higher-order typed ¼ calculus and analyze the equivalence of them. At last, the mobility workbench is used to make verification of this equivalence.

Index Terms—adaptive middleware; semantic component; component behavior equivalence.

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Cite: Qing Wu, Chunbo Zhao, Ying Li, "Analysis and Verification of Component Behavior Equivalence for ScudWare Middleware in Ubiquitous Computing Environments," Journal of Software vol. 5, no. 8, pp. 883-890, 2010.