メタデータ名 C21426-19790101
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.5875000 33.1625000, 129.5937500 33.1625000, 129.5937500 33.1666667, 129.5875000 33.1666667, 129.5875000 33.1625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral