An MDA-Based Adaptive Context-Aware Service Using PARLAY X in Ubiquitous Computing Environments


KIPS Transactions on Computer and Communication Systems, Vol. 12, No. 3, pp. 457-464, Jun. 2005
10.3745/KIPSTC.2005.12.3.457,   PDF Download:

Abstract

This paper describes an Adaptive Context-aware Service (ACS) using Model Driven Architecture (MDA)-based Service Creation Environment (SCE) on PARLAY X based service delivery platform in ubiquitous computing environments. It can be expected that both the context-awareness and adaptation in ubiquitous computing environments will be deployed. But the existing context-aware middleware lacks in considering adaptation. Therefore, the object of this paper is to support the architecture and the Application Programming Interface (API) of the network service for both the context-awareness and adaptation in ubiquitous computing environment. ACS is to provide users with the adaptive network service to the changing context constraints as well as detecting the changing context. For instance, ACS can provide users with QoS in network according to the detected context, after detecting the context such as location and speed. The architecture of ACS is comprised of a Service Creation Environment (SCE), Adaptive Context Broker and PARLAY gateway. SCE is to use Context-based Constraint Language (CCL) for an expression of context-awareness and adaptation. Adaptive Context Broker is to make a role of the broker between SCE and PARLAY G/W. PARLAY G/W is to support API for PARLAY X-based service delivery platform.


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Cite this article
[IEEE Style]
S. J. Hong, "An MDA-Based Adaptive Context-Aware Service Using PARLAY X in Ubiquitous Computing Environments," KIPS Journal C (2001 ~ 2012) , vol. 12, no. 3, pp. 457-464, 2005. DOI: 10.3745/KIPSTC.2005.12.3.457.

[ACM Style]
Sung June Hong. 2005. An MDA-Based Adaptive Context-Aware Service Using PARLAY X in Ubiquitous Computing Environments. KIPS Journal C (2001 ~ 2012) , 12, 3, (2005), 457-464. DOI: 10.3745/KIPSTC.2005.12.3.457.