メタデータ名 C14381-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9937500 35.1500000, 139.0000000 35.1500000, 139.0000000 35.1541667, 138.9937500 35.1541667, 138.9937500 35.1500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral