メタデータ名 C28101-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.1937500 36.0916667, 138.2000000 36.0916667, 138.2000000 36.0958334, 138.1937500 36.0958334, 138.1937500 36.0916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral