メタデータ名 C21382-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3750000 37.9000000, 139.3812500 37.9000000, 139.3812500 37.9041667, 139.3750000 37.9041667, 139.3750000 37.9000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral