メタデータ名 C16203-19740301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.2250000 34.8708334, 138.2312500 34.8708334, 138.2312500 34.8750000, 138.2250000 34.8750000, 138.2250000 34.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral