メタデータ名 G20493011461
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0062500 37.5083333, 141.0125000 37.5083333, 141.0125000 37.5125000, 141.0062500 37.5125000, 141.0062500 37.5083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral