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A reference architecture and model for sensor data warehousing

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Figure

Fig. 1: Functional architecture of the analytical system for sensor networks
Fig. 2: UML class diagram that describes the domain model of an analytical system for sensor networks
Fig. 3: Multidimensional schemata for the measurement (a), maintenance (b), status (c), and message (d) events
Fig. 4: Star schema and sample data for the air quality scenario
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