By Ricardo Couto Antunes da Rocha
Research in context-aware computing has produced a few middleware structures for context administration. even though, improvement of ubiquitous context-aware functions continues to be a problem simply because most modern middleware platforms are nonetheless desirous about remoted and static context-aware environments. Context-aware environments are inherently dynamic due to occasional additions or improve of sensors, functions or context inference mechanisms.
Context administration for allotted and Dynamic Context-Aware Computing proposes a singular structure for context administration in line with the concept that of context domain names, permitting functions to maintain context pursuits throughout allotted context administration structures. The authors describe a allotted middleware that implements the aforementioned thoughts, with no compromising scalability and potency of context access.
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Additional info for Context Management for Distributed and Dynamic Context-Aware Computing
As a conclusion of the chapter, there is no middleware system that support interest expression of types Do , Dr , and Dc . In respect to the aspect of type coverage, some middleware systems support expressions Ta and Ts , since it depends on the context model adopted by the middleware. However, they do not support relationships among types defined in different CMSs. Hence, they hardly support an uniform description of context interests that could be applied and interpreted in the whole ecosystem.
Service interoperability on context level in ubiquitous computing environments. In: Proceedings of International Conference an Advances in Infrastructure for Electronic Business, Education, Science, Medicine, and Mobile Technologies on the Internet. L’Aquila, Italy (2003) 40 3 State of the Art 24. : A context management framework for supporting context-aware distributed applications. IEEE Commun. Mag. 44(8), 67–74 (Aug. 2006). 1678112 25. : The Jini architecture for network-centric computing.
From the point of view of an application, perceiving a new sensor means to have the provided context included in the interest selection and matching. On the matching of interests, running applications with alive interests should be able to recognize the new provider, without requiring them to be restarted, recompiled or redeveloped. The need to perceive a sensor may be the result of client mobility. For example, if a device enters in a physical environment that provides location sensors, than any context consumer interested in the device’s location must have its interests also registered in the corresponding CMS.
Context Management for Distributed and Dynamic Context-Aware Computing by Ricardo Couto Antunes da Rocha