Computer Science ›› 2009, Vol. 36 ›› Issue (7): 103-106.doi: 10.11896/j.issn.1002-137X.2009.07.024
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HE Jian-li,CHEN Rong,KANG Qin-ma
Online:
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Abstract: The inherent complexity of ubiquitous computing poses many new challenges for software infrastructure,which needs urgently the adaptive middleware. This paper proposed a self-adaptive middleware in ubiquitous computing environments,which is composed of the three meta-models,namely the interface,framework and context meta-models.The design and implementation on CAR component platform were presented. The interface meta-model provides access to the services and the internal information and state of a component in terms of asynchronous and synchronous interfaces. The context meta-model represents context information in component object and mask distribution problems in ubiquitous computing environment based asynchronous event notification. The framework meta-model classifies and manages component, makes changes to middleware structures and behaviors according to the changing runtime environmenu. At last, the software system meets the dynamic self-adaptive requirement in ubiquitous computing environments.
Key words: Ubiquitous computing, Self-adaptive middleware, Interface meta-model, Context metes model, Framework meta-model
HE Jian-li,CHEN Rong,KANG Qin-ma. Self-adaptive Middleware in Ubiquitous Computing Environments[J].Computer Science, 2009, 36(7): 103-106.
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