メタデータ名 C21380-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.0062500 33.7333333, 131.0125000 33.7333333, 131.0125000 33.7375000, 131.0062500 33.7375000, 131.0062500 33.7333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral