メタデータ名 G20574041683
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8562500 38.6041667, 139.8625000 38.6041667, 139.8625000 38.6083333, 139.8562500 38.6083333, 139.8562500 38.6041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral