メタデータ名 G20574047722
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1812500 36.1875000, 139.1875000 36.1875000, 139.1875000 36.1916667, 139.1812500 36.1916667, 139.1812500 36.1875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral