メタデータ名 C15205-19890401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.3687500 31.6541667, 130.3750000 31.6541667, 130.3750000 31.6583333, 130.3687500 31.6583333, 130.3687500 31.6541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral