メタデータ名 G20493043274
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3375000 42.9583333, 141.3437500 42.9583333, 141.3437500 42.9625000, 141.3375000 42.9625000, 141.3375000 42.9583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral