メタデータ名 G20574162154
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1875000 37.7541667, 139.1937500 37.7541667, 139.1937500 37.7583333, 139.1875000 37.7583333, 139.1875000 37.7541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral