| Summary: | 碩士 === 國立成功大學 === 電腦與通信工程研究所 === 94 === An Adaptive Context Infrastructure in Supporting Context-Aware Services
Wei-Chung Hu
Institute of Computer and Communication Engineering
National Cheng Kung University
The popularity of ubiquitous computing and pervasive computing have prompted the proliferation
of context-aware applications. In the context-aware computing domain, context infrastructure is used
to lower the development effort and maintenance cost of context-aware applications. The conventional
context infrastructures are tailored with specific service scenarios in the application environment. Once
the conventional context infrastructure needs to be deployed into another environment, the cost on
perfective maintenance is huge. This work claims the reason is, in conventional context infrastructure
lifecycle, only development phase and usage / maintenance phase are considered, but the deployment
phase is ignored. By analyze the problems a context infrastructure needs to solve, we can redistribute
problems into development phase and deployment phase separately. This results a decoupling of general
context-awareness problem from deployment phase problems. A layered conceptual model is proposed as
the kernel of adaptive context infrastructure. The layered conceptual model not only solves the general
context-awareness problem, but also left well-designed configuration / tuning points for deployment.
Based on the layered conceptual model, we can development an adaptive context infrastructure that can
be deployed in different environment with lower effort.
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