メタデータ名 S052020450
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3375000 42.5750000, 141.3437500 42.5750000, 141.3437500 42.5791667, 141.3375000 42.5791667, 141.3375000 42.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral