メタデータ名 C15221-19830928
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.0187500 34.6083333, 134.0250000 34.6083333, 134.0250000 34.6125000, 134.0187500 34.6125000, 134.0187500 34.6083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral