メタデータ名 C28664-19810301
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.2312500 31.8916667, 130.2375000 31.8916667, 130.2375000 31.8958334, 130.2312500 31.8958334, 130.2312500 31.8916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral