ContextWare Support for Network and Service Composition and Self-adaptation

Ocampo, Roel; Cheng, L.; Lai, Zhaohong; Galis, Alex

doi:10.1007/11569510_9

Cited by 17 publications

(10 citation statements)

References 5 publications

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“…The Ambient Networks are based on federations of multiple, cooperative networks that integrate and interwork the capabilities of different networks and abstract the inherent diversity, presenting an end-to-end and seamless network to a user [21]. The HYDRA-middleware can be seen to be an example of an Ambient Network approach that facilitates developers to create ambient intelligence applications based on the wireless devices and sensors [22].…”

Section: Related Work and Backgroundmentioning

confidence: 99%

Framework for End-User Programming of Cross-Smart Space Applications

Palviainen

Kuusijärvi

Ovaska

2012

Sensors

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Cross-smart space applications are specific types of software services that enable users to share information, monitor the physical and logical surroundings and control it in a way that is meaningful for the user's situation. For developing cross-smart space applications, this paper makes two main contributions: it introduces (i) a component design and scripting method for end-user programming of cross-smart space applications and (ii) a backend framework of components that interwork to support the brunt of the RDFScript translation, and the use and execution of ontology models. Before end-user programming activities, the software professionals must develop easy-to-apply Driver components for the APIs of existing software systems. Thereafter, end-users are able to create applications from the commands of the Driver components with the help of the provided toolset. The paper also introduces the reference implementation of the framework, tools for the Driver component development and end-user programming of cross-smart space applications and the first evaluation results on their application.

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Section: Related Work and Backgroundmentioning

confidence: 99%

Framework for End-User Programming of Cross-Smart Space Applications

Palviainen

Kuusijärvi

Ovaska

2012

Sensors

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“…Revising literature related to context-awareness [6][7], we define a consensus classification of the context according (but not limited) to the following:…”

Section: Related Workmentioning

confidence: 99%

Context-aware multimedia service composition using quality assessment

González

Segura

Pozuelo

et al. 2011

2011 IEEE International Conference on Multimedia and Expo

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With the proliferation of multimedia capable devices, media services have to deal with heterogeneous environments where very different types of terminals wish to receive content anywhere and anytime. This situation motivates the appearance of multimedia services that adapt contents to the specific context of users. However, current Internet architecture is based on a rigid layered model which makes difficult to introduce new functionalities efficiently. To solve this, Service Oriented Architectures (SOA) appear with the goal of proposing new architectures based on services that can be invoked when and where necessary. This work introduces how SOA paradigm can be applied to context-aware multimedia communications. In addition, a scoring function for selecting different service implementations is presented and particularized for a case of selecting transcoding functions taking into account different quality assessment metrics.

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“…As part of the ACS, GSA is supported by many other ACS functional entities such as triggering [7], [8], context information management [9], and multi-radio resource management [10], which are capable of providing a wealth of information related to gateway discovery and selection. GSA is designed to utilize this extra information aiming at making optimal gateway selections.…”

Section: An Overview Of the Gateway Selection Architecturementioning

confidence: 99%

An Evaluation of the Ambient Networks Gateway Selection Architecture

Majanen

Pentikousis

2007

2007 Third International Conference on Wireless and Mobile Communications (ICWMC'07)

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We study the performance of the Gateway Selection Architecture (GSA), developed within the framework of the EU Ambient Networks Integrated Project, which provides support for gateway discovery, management, and selection for mobile nodes within dynamic routing groups. A routing group (RG) is a cluster of nodes in physical proximity, aware of the group membership, especially in the context of the Ambient Networks architecture, with a common goal of optimizing mobility management and routing functionality in the group. We present two examples on how GSA can be introduced using existing protocols, namely MIP and HIP. Our simulation studies show the benefits gained from group formation when compared to same functionalities implemented in every individual node, and compare the GSA optimized signaling strategy with other competitive approaches.

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ContextWare Support for Network and Service Composition and Self-adaptation

Cited by 17 publications

References 5 publications

Framework for End-User Programming of Cross-Smart Space Applications

Framework for End-User Programming of Cross-Smart Space Applications

Context-aware multimedia service composition using quality assessment

An Evaluation of the Ambient Networks Gateway Selection Architecture

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