メタデータ名 C15541-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.3375000 36.2708334, 139.3437500 36.2708334, 139.3437500 36.2750000, 139.3375000 36.2750000, 139.3375000 36.2708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral