メタデータ名 G20493062473
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7500000 40.1875000, 141.7562500 40.1875000, 141.7562500 40.1916667, 141.7500000 40.1916667, 141.7500000 40.1875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral