メタデータ名 G20523641613
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5875000 36.2833333, 138.5937500 36.2833333, 138.5937500 36.2875000, 138.5875000 36.2875000, 138.5875000 36.2833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral