メタデータ名 G20503312041
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4375000 38.1500000, 139.4437500 38.1500000, 139.4437500 38.1541667, 139.4375000 38.1541667, 139.4375000 38.1500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral