メタデータ名 C21340-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3375000 43.1583333, 141.3437500 43.1583333, 141.3437500 43.1625000, 141.3375000 43.1625000, 141.3375000 43.1583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral