メタデータ名 C12324-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6062500 35.6458334, 139.6125000 35.6458334, 139.6125000 35.6500000, 139.6062500 35.6500000, 139.6062500 35.6458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral