メタデータ名 C10304-19791201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4312500 38.0916667, 138.4375000 38.0916667, 138.4375000 38.0958334, 138.4312500 38.0958334, 138.4312500 38.0916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral