メタデータ名 C12301-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.1000000 43.0875000, 142.1062500 43.0875000, 142.1062500 43.0916667, 142.1000000 43.0916667, 142.1000000 43.0875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral