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A Storage and Access Architecture for Efficient Query Processing in Spatial Database Systems

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Academic year: 2021

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Figure

Fig. 2. Map of the European counties modeled by a set of SPH
Fig. 3. Examples for a point and a window query b) Thematic Selections:
Fig. 4. Test of a query window against Lake Volta Step 3: Output of objects for further processing
Fig. 6. Various conservative approximations
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