メタデータ名 C12301-19810401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.4375000 31.6291667, 130.4437500 31.6291667, 130.4437500 31.6333333, 130.4375000 31.6333333, 130.4375000 31.6291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral