This dataset contains various information about greek rivers and lakes. For each object contained in the shapefile a unique URI is created and a spatial literal is attributed to it. The spatial literal corresponds to the closed polygon (for lakes) and the multilinestring (river) which defines the underlined area. For example, gwb:lake_1 a gwb:Lake ; geo:hasGeometry "POLYGON ((24.12 34.80, ..., 24.12 34.80))"^^geo:wktliteral
Created by: Karpathiotaki Maria, Vlachopoulos Ioannis, Department of Informatics and Telecommunications, University of Athens.
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