メタデータ名 G20574041781
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.7562500 38.7291667, 139.7625000 38.7291667, 139.7625000 38.7333333, 139.7562500 38.7333333, 139.7562500 38.7291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral