George Bravos

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The Future Internet (FI) era dictates the deployment of high complexity systems having a variety of properties such as adaptivity, self configuration and self optimization. This paper discusses on the design and deployment of an autonomic management framework, targeting real-time optimization of operational properties in a smart building cognitive(More)
In the current hyperconnected era, modern Information and Communication Technology (ICT) systems form sophisticated networks where not only do people interact with other people, but also machines take an increasingly visible and participatory role. Such Human-Machine Networks (HMNs) are embedded in the daily lives of people, both for personal and(More)
In this paper we outline an initial typology and framework for the purpose of profiling human-machine networks, that is, collective structures where humans and machines interact to produce synergistic effects. Profiling a human-machine network along the dimensions of the typology is intended to facilitate access to relevant design knowledge and experience.(More)
Wireless Sensor Networks (WSNs) belong to a special network category with several special characteristics and significantly different priorities. Recently an open-source java simulation tool for WSNs has been developed (SENSASim), and an energy model was applied. Based on SENSASim, we incorporated a more realistic channel model with large scale fading(More)
Economic growth in Europe has been, strongly associated with urbanization, overwhelming cities with vehicles. This renders mobility inside cities problematic, since it is often associated with large waste of time in traffie congestions, environmental pollution and accidents. Cities struggle to invent and deploy “smart” solutions in the domain(More)