メタデータ名 C20481-19810601
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.4312500 33.1916667, 130.4375000 33.1916667, 130.4375000 33.1958334, 130.4312500 33.1958334, 130.4312500 33.1916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral