メタデータ名 C19380-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5062500 43.2041667, 141.5125000 43.2041667, 141.5125000 43.2083333, 141.5062500 43.2083333, 141.5062500 43.2041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral