メタデータ名 C11328-19750501
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.3062500 36.7291667, 138.3125000 36.7291667, 138.3125000 36.7333333, 138.3062500 36.7333333, 138.3062500 36.7291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral