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Large-scale distributed system provides an attractive scalable infrastructure for network applications. In such environment there exist large sets of heterogeneous and geographically distributed resources. These resources can be aggregated as a virtual computing platform for executing large-scale scientific applications. Among numerous optional resources, selecting appropriate resources for applications...
Energy efficiency is a critical issue for sensor network. In this paper we propose an energy efficient context adaptive MAC protocol for wireless sensor networks. The existing approaches improve energy efficiency by controlling the duty cycle of transmission period. The proposed protocol achieves that by letting each node stay in the sleep mode if the number of packets in the buffer is smaller than...
Ubiquitous computing requires an intelligent environment where the users do not need to be involved in the operation. The agent technology allows effective implementation of ubiquitous system, while agent platform provides efficient and stable interaction between the agents. In this paper we propose a hierarchical P2P networking approach where the messages are combined inside the agent platform and...
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