メタデータ名 G20523345593
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7812500 37.2083333, 139.7875000 37.2083333, 139.7875000 37.2125000, 139.7812500 37.2125000, 139.7812500 37.2083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral