メタデータ名 G20503324381
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.5625000 43.2750000, 145.5687500 43.2750000, 145.5687500 43.2791667, 145.5625000 43.2791667, 145.5625000 43.2750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral