メタデータ名 G20574017524
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5437500 38.0958334, 139.5500000 38.0958334, 139.5500000 38.1000000, 139.5437500 38.1000000, 139.5437500 38.0958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral