An adaptive streaming technique for interactive medical systems in mobile environment
Mobility '09 Proceedings of the 6th International Conference on Mobile Technology, Application & Systems
IEEE Transactions on Information Technology in Biomedicine - Special section on body sensor networks
User demand behavior based adaptive algorithm for service composition of streaming media
IITA'09 Proceedings of the 3rd international conference on Intelligent information technology application
A Decentralized Self-Organizing Service Composition for Autonomic Entities
ACM Transactions on Autonomous and Adaptive Systems (TAAS)
Fast track article: Market mechanisms for resource allocation in pervasive sensor applications
Pervasive and Mobile Computing
Accurate sub-swarms particle swarm optimization algorithm for service composition
Journal of Systems and Software
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The requirement of agile adaptation to varying resource constraints in mobile systems motivates the use of a service-oriented architecture (SOA), which can support the composition of two or more services to form a complex service. In this paper, we propose SOA-based middleware to support QoS control of mobile applications and to configure an energy-efficient service composition graph. We categorize services into two layers:functionality-centric services, which are connected to create a complex service to meet the user's intentions, and resource-centric services, which undertake distributed functionality-centric services in a way that increases the success rate of service composition while reducing contention at specific service nodes. We also present a service routing algorithm to balance the resource consumption of service providers on a service-overlay network. Through simulation of power-aware service composition using a realistic model based on ns-2 and traced data, we demonstrate that our approach can help both the mobile devices and the servers in a service-overlay network to reduce energy consumption without an increase in response time.