メタデータ名 G20492976722
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0500000 34.9375000, 139.0562500 34.9375000, 139.0562500 34.9416667, 139.0500000 34.9416667, 139.0500000 34.9375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral