メタデータ名 G20493257963
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8437500 37.2916667, 139.8500000 37.2916667, 139.8500000 37.2958334, 139.8437500 37.2958334, 139.8437500 37.2916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral