メタデータ名 C47210-19720515
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0125000 35.6125000, 139.0187500 35.6125000, 139.0187500 35.6166667, 139.0125000 35.6166667, 139.0125000 35.6125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral