メタデータ名 C33621-19881201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2437500 35.9833333, 138.2500000 35.9833333, 138.2500000 35.9875000, 138.2437500 35.9875000, 138.2437500 35.9833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral