メタデータ名 C18421-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4875000 33.5500000, 131.4937500 33.5500000, 131.4937500 33.5541667, 131.4875000 33.5541667, 131.4875000 33.5500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral