Middleware for pervasive computing: A survey
Pervasive and Mobile Computing
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Recently, research on ubiquitous computing has attracted a lot of research. Many existing works focus on the design and development of Ubiquitous Intelligent Environments (UIEs). Essentially, UIE is composed of collections of Ubiquitous Intelligent Objects (UIOs) and their interactions. Conceptualize and abstract the UIOs as well as exploring more UIO-oriented applications are essential to the future development of UIEs. However, so far, there has been no work on the formal description and modeling of UIOs. Addressing this deficiency, in this paper, we study the modeling of UIOs. We identify the model design principles and develop a model for representing the abstract data types and operations, as well as the relationships between the UIOs. We also discuss the challenging issues in implementing the model and present a ubiquitous searching application as an example to show how the proposed modeling techniques can be used. Keywords: Ubiquitous Computing, Object Model, Knowledge sharing