メタデータ名 refArea
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5750000 38.5833333, 139.5812500 38.5833333, 139.5812500 38.5875000, 139.5750000 38.5875000, 139.5750000 38.5833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral