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Some research areas rely on simulation instead of experiments. And these simulation scenarios need a suitable data basis to operate on. Besides existing databases containing previously acquired or calculated data, sensor networks are a useful way to acquire necessary data. This paper introduces a software and hardware system that allows users to seamlessly access and integrates data provided by wireless and mobile sensors through a dedicated XML and Web Service enabled middleware. It describes the hardware components that have been utilized and combined to create a sensor node, and it outlines dedicated middleware architecture to manage sensor nodes, the data gathering process and data access.
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