Roland Gémesi

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Due to the distributed and resource constrained nature of wireless sensor networks, their design proves to be difficult. We present a resource management framework, which integrates a data-centric lightweight operating system with a publish/subscribe middleware. In this framework, the main system abstraction is data for both local and networked processing.(More)
This work is an initiative attempt toward component-based software engineering in ubiquitous computing systems. Software components cooperate in a distributed manner to meet a demand, and adapt their software bindings during run-time depending on the context information. There are two main research topics investigated in this study. The first topic is how(More)
1 Data dissemination tree . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 Mulitcast domains interconnected through MBONE tunnels . . . . . . . 3 3 End System Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Mesh and tree in Narada . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 NICE clusters . . . . . . . . . . . . .(More)
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