メタデータ名 C06381-19810301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6000000 36.7583333, 139.6062500 36.7583333, 139.6062500 36.7625000, 139.6000000 36.7625000, 139.6000000 36.7583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral